| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Davis,
                CA Yolo Co. United States  | 
            
                5th St. / Cantrill Dr. (38.55160, -121.72010)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.9547  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Police station on SW corner. Date estimated. ICD estimated from Google Maps linework. | 
| 
                Woodland,
                CA Yolo Co. United States  | 
            
                Gum Ave. / Bourn Dr. (38.66820, -121.74710)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.3428  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Davis,
                CA Yolo Co. United States  | 
            
                Moore Blvd. / Rockwell Dr. (38.56830, -121.72630)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.2127  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Davis,
                CA Yolo Co. United States  | 
            
                Moore Blvd. / Wright Blvd. (38.56490, -121.71860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.2801  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Anchorage,
                AK Anchorage United States  | 
            
                Southport Dr. / Maritime Loop / Washington Ave. (61.12706, -149.92590)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.9886  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. ICD estimated from Google Maps linework. | 
| 
                Fort Wayne,
                IN Allen Co. United States  | 
            
                Adams Center Rd. / Marion Center Rd. / Maples Rd. / Wayne Terrace (41.00440, -85.05704)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 57.9120  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Painted splitter islands. Year Completed estimated (before 1998). | 
| 
                Bloomington,
                IN Monroe Co. United States  | 
            
                High St. / Winslow Rd. / Rogers Rd. (39.13631, -86.50819)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 38.9078  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | $497,000 construction cost. ICD estimated from Google Maps linework. | 
| 
                Mount Pleasant,
                SC Charleston Co. United States  | 
            
                Rifle Range Rd. / Bowman Rd. (Veterans Circle) (32.80469, -79.84284)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 31.1197  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Year Completed estimated (1994-2002) ICD estimated from Google Maps linework. | 
| 
                Encinitas,
                CA San Diego Co. United States  | 
            
                Leucadia Blvd / Hymettus Ave (33.06470, -117.29620)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 21.0192  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Malta,
                NY Saratoga Co. United States  | 
            
                Rte 67 (Dunning St.) / State Farm Pl. (42.96991, -73.80676)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 43.6952  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. | 
| 
                Encinitas,
                CA San Diego Co. United States  | 
            
                Leucadia Blvd / Hermes Ave (33.06482, -117.30010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 18.0164  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Amelia Island,
                FL Nassau Co. United States  | 
            
                SR A1A / Beach Lagoon Rd. (30.55541, -81.44933)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0520  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003). | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Buena Vista Blvd. / Old Mill Run (28.90720, -81.98250)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 57.5036  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Bypass lane for southbound through movement in addition to two entry lanes. ICD estimated from Google Maps linework. | 
| 
                The Villages,
                FL Sumter Co. United States  | 
            
                Morse Blvd. / Mariposa Way / Mission Hills Run (28.91829, -81.96940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.4974  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Amelia Island,
                FL Nassau Co. United States  | 
            
                Beach Walker Rd. / Beachwood Rd. (30.55425, -81.44608)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.4320  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Roundabout completed before 1999, removed 2011-2013. | 
| 
                St. George,
                UT Washington Co. United States  | 
            
                E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd. (37.05999, -113.58560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                6 Approaches 0 Driveways 78.1526  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2006 | Combines interchange ramps and frontage road. ICD estimated from Google Maps linework. | 
| 
                Advance,
                NC Davie Co. United States  | 
            
                NC 801 / I-40 EB Ramps (36.00655, -80.44083)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 17.3907  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2002 | Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Clemmons,
                NC Forsyth Co. United States  | 
            
                Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout) (36.07380, -80.39124)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.9598  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                Happy Valley Rd. / I-17 NB Ramps (33.71291, -112.11477)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.0077  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2020 | Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442 | 
| 
                Phoenix,
                AZ Maricopa Co. United States  | 
            
                Happy Valley Rd. / I-17 SB Ramps (33.71292, -112.12019)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 62.4840  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2020 | Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442 | 
| 
                Little Rock,
                AR Pulaski Co. United States  | 
            
                36th St. / Romine Rd. / West Rd. (34.72098, -92.38181)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.5782  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Aspen,
                CO Pitkin Co. United States  | 
            
                SR 82 / Maroon Creek Rd. / Castle Creek Rd. (39.19557, -106.84025)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | |
| 
                Gatineau,
                QC Outaouais Region Canada  | 
            
                Blvd. St.-Joseph (Rte. 105) / Rue Montcalm (45.43146, -75.73314)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Pedestrian Signal (red-yellow-green to drivers)  | 
            
                3 Approaches 0 Driveways 23.4678  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2003 | Opened December 9, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                E. Lowry Blvd. / N. Uinta Way (39.71986, -104.89070)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 50.5258  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                E. Lowry Blvd. / Yosemite St. (39.72373, -104.88400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.4416  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Frisco,
                CO Summit Co. United States  | 
            
                SH 9 / I-70 WB Ramps (39.59339, -106.09700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 34.0524  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2000 | Highway ref. pt. 70-202.35. ICD estimated from Google Maps linework. | 
| 
                Calabasas,
                CA Los Angeles Co. United States  | 
            
                Parkway Calabasas / Camino Portal (34.13878, -118.65890)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 30.6442  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.6526  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Utah St. (39.73919, -105.19620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.8782  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Ulysses St. (39.73771, -105.19390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.5734  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Horizon Dr. / 12th St. (39.10165, -108.55234)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 1 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout. | 
| 
                Howard,
                WI Brown Co. United States  | 
            
                Glendale Ave. / Hillcrest Heights (44.56551, -88.09801)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.9305  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Opened August 1, 2008. ICD estimated from Google Maps linework. | 
| 
                Lake Oswego,
                OR Clackamas Co. United States  | 
            
                SW Carman Dr. / SW Meadows Rd. / SW Quarry Rd. (45.41700, -122.72490)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.3422  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Colorado Ave. / SW Simpson St. (44.04770, -121.32290)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.2050  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Clearwater,
                FL Pinellas Co. United States  | 
            
                Mandalay Ave. / Acacia St. (27.98970, -82.82660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.4750  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Boynton Beach,
                FL Palm Beach Co. United States  | 
            
                Hagen Ranch Rd. / Charleston Shores Blvd. (26.56520, -80.15560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 23.5012  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Boynton Beach,
                FL Palm Beach Co. United States  | 
            
                Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd. (26.54660, -80.16390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.5051  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Boynton Beach,
                FL Palm Beach Co. United States  | 
            
                Hagen Ranch Rd. / Le Chalet Blvd. (26.55650, -80.15710)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.2298  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Date estimated. ICD estimated from Google Maps linework. | 
| 
                Delray Beach,
                FL Palm Beach Co. United States  | 
            
                Lake Ida Rd. / Via Flora Dr. (26.46919, -80.13670)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 24.5900  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Fatal crash January 28, 2005. 11861-05. ICD estimated from Google Maps linework. | 
| 
                Amelia Island,
                FL Nassau Co. United States  | 
            
                SR A1A / Amelia Island Plantation (30.55717, -81.45009)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Year Completed estimated (1999-2003). | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                Peoria St. / Cherry Creek Dr. (39.61015, -104.84800)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.7631  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                Jefferson County Pkwy. / Civic Center (39.72717, -105.19940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.9051  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Feeds parking lot ICD estimated from Google Maps linework. | 
| 
                Columbine,
                CO Jefferson Co. United States  | 
            
                S. Simms St. / W. Quincy Ave. (39.63865, -105.12860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.0301  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Northglenn,
                CO Adams Co. United States  | 
            
                Melody Dr. / Kennedy Dr. (39.89222, -104.99270)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.6541  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Rocky Mountain Ave. / Foxtrail Dr. (40.40924, -105.00230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.9231  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1994 | Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Rocky Mountain Ave. / McWhinney Blvd. (40.41059, -105.00230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6504  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1994 | Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Milwaukee,
                WI Milwaukee Co. United States  | 
            
                S. 6th St. / W. Virginia St. / Florida St. (43.02698, -87.91770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7816  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Kennewick,
                WA Benton Co. United States  | 
            
                12th Ave. / Irving St. (46.19768, -119.19670)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.9874  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Gig Harbor,
                WA Pierce Co. United States  | 
            
                Borgen Blvd. / 51st (47.35959, -122.60640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 35.5974  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Gig Harbor,
                WA Pierce Co. United States  | 
            
                Borgen Blvd. / SR 16 SB Ramps (47.35868, -122.61610)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.8342  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2004 | Opened March 2004. ICD estimated from Google Maps linework. | 
| 
                Kent,
                WA King Co. United States  | 
            
                S. 216th St. / 42nd Ave. S / 40th Pl. S (47.40843, -122.28120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 23.4402  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Opened July 2001. ICD estimated from Google Maps linework. | 
| 
                Lacey,
                WA Thurston Co. United States  | 
            
                Marvin Rd. NE / Main St. NE (47.06709, -122.76828)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | Roundabout installed, although cross street not initially constructed. | 
| 
                Sammamish,
                WA King Co. United States  | 
            
                NE Inglewood Hill / 216th Ave. NE (47.61554, -122.05180)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.3989  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | October 2001. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                Grandview Dr. / 56th St. W (47.20565, -122.56890)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 24.3417  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Opened September 2000. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                Grandview Dr. / 62nd Ct. W / Park Entrance (47.20033, -122.56890)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.7785  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Opened September 2000. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                Grandview Dr. / Bristonwood Dr. / 48th St. W (47.21334, -122.56880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.9607  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Opened September 2000. ICD estimated from Google Maps linework. | 
| 
                University Place,
                WA Pierce Co. United States  | 
            
                Grandview Dr. / Cirque Dr. (47.21093, -122.56880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.1506  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Opened September 2000. ICD estimated from Google Maps linework. | 
| 
                Wisconsin Rapids,
                WI Wood Co. United States  | 
            
                STH 54 (2nd Ave.) / Gaynor Ave. / 17th Ave. (44.38025, -89.84447)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.3874  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2004 | Opened September 2004. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                N. 5th Ave. / Fruitdale Blvd. (46.61242, -120.51870)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 31.1760  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed July 1, 2004. Major street makes a 90-degree turn through the intersection. Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                NE 8th St. / 9th St. / Franklin Ave. (44.05600, -121.29380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.7577  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Reed Market Dr. / (no cross street) (44.04080, -121.32790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                2 Approaches 0 Driveways 32.6244  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | No cross street, but U-turns allowed. ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Reed Market Dr. / SW Bond St. / SW Brookswood Blvd. (44.04047, -121.31678)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | |
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Reed Market Dr. / Mt. Bachelor Dr. (44.03830, -121.33340)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.2015  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Fourth leg was built with completion of new bridge over Deschutes River. ICD estimated from Google Maps linework. | 
| 
                Bend,
                OR Deschutes Co. United States  | 
            
                SW Reed Market Dr. / SW Alderwood Cir. (44.04054, -121.32174)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.1904  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Eugene,
                OR Lane Co. United States  | 
            
                N. Terry St. / Roosevelt Blvd. (44.06371, -123.18825)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 20.5969  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Springfield,
                OR Lane Co. United States  | 
            
                Maple Island Rd. / Game Farm Rd. East (44.08580, -123.03510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 25.7365  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | One leg is driveway, 4th leg is future. ICD estimated from Google Maps linework. | 
| 
                Springfield,
                OR Lane Co. United States  | 
            
                58th St. / Thurston Rd. (44.05320, -122.92640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 25.7507  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Springfield,
                OR Lane Co. United States  | 
            
                Maple Island Rd. / (parking lot) (44.08710, -123.03510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.1674  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Springfield,
                OR Lane Co. United States  | 
            
                Maple Island Rd. / International Way (44.08840, -123.03490)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 29.1668  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Tamarack Resort,
                ID Valley Co. United States  | 
            
                Village Dr. / Whitewater Dr. (44.67280, -116.11770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.8771  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | None. ICD estimated from Google Maps linework. | 
| 
                Scottsdale,
                AZ Maricopa Co. United States  | 
            
                E. Oak St. / N. 70th St. (33.47301, -111.93050)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.9249  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Kaukauna,
                WI Outagamie Co. United States  | 
            
                CTH J / US 41 SB Ramps (44.30645, -88.24948)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.8965  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2010 | Opened October 11, 2010. ICD estimated from Google Maps linework. | 
| 
                McPherson,
                KS McPherson Co. United States  | 
            
                E. 1st St. / Centennial Dr. (38.37671, -97.62996)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.3878  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Fatal crash January 20, 2010. ICD estimated from Google Maps linework. | 
| 
                Olathe,
                KS Johnson Co. United States  | 
            
                S. Ridgeview Rd. / E. Loula St. (38.88069, -94.79726)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.1027  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed August 2004. ICD estimated from Google Maps linework. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                110th St. / Lamar Ave. (38.92910, -94.65830)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.3130  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                133rd St. / Lamar Ave. (38.88654, -94.65847)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.1862  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Completed May 2006. ICD estimated from Google Maps linework. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                W 161st Terr. / W 163rd St. / Flint St. (38.83472, -94.71741)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 35.3526  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Built for new development. ICD estimated from Google Maps linework. | 
| 
                Overland Park,
                KS Johnson Co. United States  | 
            
                Santa Fe Dr. / Conser St. (38.98233, -94.67347)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 36.2076  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Completed September 2004. ICD estimated from Google Maps linework. | 
| 
                Tampa,
                FL Hillsborough Co. United States  | 
            
                E. 4th Ave. / Channelside Dr. (27.95773, -82.44586)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.8131  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | No deflection on one approach. ICD estimated from Google Maps linework. | 
| 
                Columbia,
                MO Boone Co. United States  | 
            
                Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd. (38.96655, -92.35241)  | 
            
                Roundabout Removed  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 94.7178  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            1996 | First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework. | 
| 
                Rutherford,
                NJ Bergen Co. United States  | 
            
                Park Ave. / Erie Ave. (40.82835, -74.10118)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.0152  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | Reconstructed as roundabout in 2004? ICD estimated from Google Maps linework. | 
| 
                Princeton,
                NJ Mercer Co. United States  | 
            
                Faculty Rd. / Elm Dr. (40.33888, -74.65523)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.2209  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | This roundabout is on University owned roads open to the public. There is a second roundabout similar in dimensions upstream on Elm Drive. Close to an at-grade rail crossing. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Carson City,
                NV Carson City Co. United States  | 
            
                E 5th St. / Fairview Dr. (39.16090, -119.72790)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.5280  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | |
| 
                Hinesville,
                GA Liberty Co. United States  | 
            
                Washington Ave. / Memorial Dr. (31.84992, -81.59570)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.5366  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Brookfield,
                WI Waukesha Co. United States  | 
            
                Barker Rd. (CTH Y) / North Ave. (CTH M) (43.06136, -88.16629)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.9042  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2010 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Lakewood,
                CO Jefferson Co. United States  | 
            
                Allison Pkwy. / Civic Center (39.70906, -105.08630)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 31.2390  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Lakewood,
                CO Jefferson Co. United States  | 
            
                Arbutus Dr. / W. 2nd Pl. (39.71649, -105.14750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.5609  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Coral Gables,
                FL Miami-Dade Co. United States  | 
            
                Ponce de Leon Blvd. / Greco Ave. / Ruiz Ave. (25.73047, -80.25832)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                6 Approaches 0 Driveways 49.4917  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Greenbelt,
                MD Prince Georges Co. United States  | 
            
                Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.4960  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Year Completed estimated (1994-2001). ICD estimated from Google Maps linework. | 
| 
                Superior,
                CO Boulder Co. United States  | 
            
                5th Ave. / Center Dr. (39.95764, -105.17190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.1262  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Windsor,
                CO Weld Co. United States  | 
            
                Westgate Dr. / Oakmond St. (40.48121, -104.98870)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2020 | Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg. | 
| 
                Henrietta,
                NY Monroe Co. United States  | 
            
                Andrews Memorial Dr. / Lomb Memorial Dr. (43.08770, -77.67448)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.7614  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | On campus of Rochester Institute of Technology. ICD estimated from Google Maps linework. | 
| 
                Linton Hall,
                VA Prince William Co. United States  | 
            
                Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way (38.74593, -77.58755)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.1911  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Portsmouth,
                VA N/A Co. United States  | 
            
                Crawford St. / Bart St. (36.83202, -76.29770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.8849  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Chapel Hills Dr. / Divot Trl. (38.97569, -104.77560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.7116  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                St. Johns St. / New Haven Ct. (Hampton Circle) (40.04742, -105.24740)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.5996  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | ICD estimated from Google Maps linework. | 
| 
                Eagle,
                CO Eagle Co. United States  | 
            
                Eby Creek Rd. / US 6 (39.65630, -106.82500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 40.4579  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Winchester,
                VA Frederick Co. United States  | 
            
                Commonwealth Ct. / (parking lot) (39.12518, -78.19009)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 28.7222  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Gypsum,
                CO Eagle Co. United States  | 
            
                I-70 Frontage Roads / US 6 (39.65086, -106.95510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.3351  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. |