| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                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. | 
| 
                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. | 
| 
                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. / 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. | 
| 
                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. | 
| 
                Littleton,
                CO Arapahoe Co. United States  | 
            
                Elati St. / Arapahoe Rd. (39.59515, -104.99770)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 11.0437  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Littleton,
                CO Arapahoe Co. United States  | 
            
                Elati St. / Briarwood St. (39.59236, -104.99770)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 5.5221  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Collector 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. | 
| 
                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. | 
| 
                Maplewood,
                NJ Essex Co. United States  | 
            
                Midland Blvd. / Highland Ave. (40.73043, -74.25748)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 83.2644  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Maplewood,
                NJ Essex Co. United States  | 
            
                Midland Blvd. / Norfolk Ave. (40.73111, -74.25972)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 16.2907  | 
            
                Other (At-Grade) Single-Lane  |   
            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. | 
| 
                Summit,
                NJ Union Co. United States  | 
            
                Union Pl. / Beechwood Rd. (40.71691, -74.35757)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 19.0099  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                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. | 
| 
                Hyannis,
                MA Barnstable Co. United States  | 
            
                Iyannough Rd. / Barnstable Rd. / Falmouth Rd. (41.66512, -70.28732)  | 
            
                Rotary Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 87.4371  | 
            
                Other (At-Grade) Unknown  |   
            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. | 
| 
                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. | 
| 
                Parkville,
                MO Platte Co. United States  | 
            
                National Dr. / Ridge Rd. (39.21333, -94.70781)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 49.9696  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local 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. | 
| 
                Fruita,
                CO Mesa Co. United States  | 
            
                Aspen Ave. / Mesa St. (Park Square) (39.15884, -108.73360)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 77.7908  | 
            
                Other (At-Grade) Unknown  |   
            Completed 1940? 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. | 
| 
                Swinomish Tribal Community,
                WA Skagit Co. United States  | 
            
                SR 20 / Padilla Heights Rd. (48.45519, -122.51940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.2280  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                La Conner,
                WA Skagit Co. United States  | 
            
                LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr. (48.39234, -122.48660)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 28.5504  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                New London,
                CT New London Co. United States  | 
            
                Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer (41.34204, -72.09873)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.8671  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Carson City,
                NV Carson City Co. United States  | 
            
                Arrowhead Dr. / I-580 SB Ramp (39.19810, -119.77540)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.7669  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2002 | Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework. | 
| 
                Carson City,
                NV Carson City Co. United States  | 
            
                Arrowhead Dr. / I-580 NB Ramps / Imus Rd. (39.19840, -119.77380)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 28.6923  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2002 | NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework. | 
| 
                Medford,
                MN Steele Co. United States  | 
            
                CR 12 / I-35 NB Ramps (44.17349, -93.25775)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6872  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                East Lansing,
                MI Ingham Co. United States  | 
            
                Wilson Rd. / Red Cedar Rd. (42.72324, -84.48238)  | 
            
                Other Removed  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 23.6898  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Sherwood,
                OR Washington Co. United States  | 
            
                SW Oregon St. / SW Murdock Rd. (45.36060, -122.82520)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 49.5120  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Completed November 2002. ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Gray Rd. / 106th St. (39.94151, -86.08847)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.6277  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | Under construction in December 2002; completed January 2003. Intersection closed until completion. Construction cost $430,000 per Indianapolis Star article authored by Bill Ruthhart (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Spring Mill Rd. / W. 131st St. (39.97776, -86.16474)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.2691  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Carmel,
                IN Hamilton Co. United States  | 
            
                Spring Mill Rd. / W. 136th St. (39.98505, -86.16485)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.6893  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                East Lansing,
                MI Ingham Co. United States  | 
            
                Bogue St. / Wilson Rd. (42.72326, -84.47186)  | 
            
                Other Removed  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 36.8508  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Bettendorf,
                IA Scott Co. United States  | 
            
                53rd Ave. / Middle Rd. (41.57538, -90.46408)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.5252  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                Chopper Cir. / VIP Parking / 9th St. / Access Rd (39.74721, -105.00810)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.3424  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Urbana,
                MD Frederick Co. United States  | 
            
                MD 355 / Sugarloaf Pkwy. (39.32862, -77.35193)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.8013  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Windjammer Dr. / Brigantine Dr. (38.95401, -104.77020)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 32.5070  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | ICD estimated from Google Maps linework. | 
| 
                Urbana,
                MD Frederick Co. United States  | 
            
                MD 355 / Sprigg St. (39.33070, -77.35654)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.4954  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Glen Isle Dr. / Buckingham Cir. (40.43580, -105.10680)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 64.5421  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Seven Lakes Dr. / Horseshoe Dr. (40.42844, -105.05100)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 20.0011  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Seven Lakes Dr. / Madison Ave. (40.42698, -105.05790)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 18.1832  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                E. 13th St. / N. Denver Ave. (40.40520, -105.04480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7445  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Silverwood Dr. / Centennial Rd. (40.54545, -105.05120)  | 
            
                Traffic Calming Circle Removed  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.7646  | 
            
                Other (At-Grade) Single-Lane  |   
            Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr. (40.53008, -105.05420)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.4175  | 
            
                Other (At-Grade) Single-Lane  |   
            Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Urbana,
                MD Frederick Co. United States  | 
            
                Bennett Creek Ave. / Bennett Creek Rd. (39.32223, -77.35181)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.2613  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Pine Manor Dr. / Stoneglen Dr. (38.96827, -104.76670)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.9289  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Raleigh,
                NC Wake Co. United States  | 
            
                Pullen Rd. / Stinson Dr. (35.78457, -78.66421)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.3773  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Lenexa,
                KS Johnson Co. United States  | 
            
                67th St. / Gleason Rd. (39.00723, -94.86295)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.3387  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | Built as part of extension of both streets -- road originally curved from the north to the east. Completed October 2002. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Chapel Hills Dr. / Royal Pine Dr. (38.98067, -104.77060)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.9242  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Reno,
                NV Washoe Co. United States  | 
            
                Wedekind Rd. / Clear Acre Ln. (39.55157, -119.78930)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.0222  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Previously controlled by two-way stop ICD estimated from Google Maps linework. | 
| 
                Lake Oswego,
                OR Clackamas Co. United States  | 
            
                SW Stafford Rd. / SW Rosemont Rd. (45.39300, -122.69020)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7740  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. |