|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Washington,
DC N/A Co. United States |
Thomas Circle (Mass Ave. / Vermont Ave. / 14th St. / M St.) (38.90565, -77.03196) |
Signalized Roundabout/Circle Existing |
Signal None |
6 Approaches 0 Driveways 75.2817 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Sheridan Circle (Mass Ave. / 23rd St. / R St.) (38.91214, -77.05065) |
Rotary Existing |
Uncontrolled None |
0 Approaches 0 Driveways 69.6989 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Santa Barbara,
CA Santa Barbara Co. United States |
Milpas St. / US 101 NB Ramps / Carpinteria St. (34.42073, -119.67765) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.4840 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05. |
|
Washington,
DC N/A Co. United States |
Ward Circle (Mass. Ave. / Nebraska Ave.) (38.93792, -77.08590) |
Signalized Roundabout/Circle Existing |
Signal None |
0 Approaches 0 Driveways 80.8214 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Lutherville-Timonium,
MD Baltimore Co. United States |
MD 139 (Charles St.) / Bellona Ave. (39.41790, -76.62900) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Two-lane circulatory roadway across northern half. |
|
Montréal,
QC Montréal Region Canada |
Ave. Marie-Curie / Blvd. Alfred Nobel (45.48518, -73.76222) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.6801 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework. |
|
Washington,
DC N/A Co. United States |
Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.) (38.94628, -77.07875) |
Signalized Roundabout/Circle Existing |
Signal None |
0 Approaches 0 Driveways 73.3809 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.) (38.94733, -77.02190) |
Rotary Existing |
All-Way Stop None |
6 Approaches 0 Driveways 89.1704 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Washington,
DC N/A Co. United States |
Grant Circle (New Hampshire Ave. / Illinois Ave. / Varnum St. / NW 5th St.) (38.94312, -77.01926) |
Rotary Existing |
All-Way Stop None |
8 Approaches 0 Driveways 120.7587 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Portland,
OR Multnomah Co. United States |
NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St. (45.52640, -122.62300) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 68.6113 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework. | |
|
Tampa (Ybor City),
FL Hillsborough Co. United States |
Channelside Dr. / Cumberland Ave. (27.94497, -82.44576) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1995 | Right-turn-only lane on north leg. |
|
Clearwater,
FL Pinellas Co. United States |
SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout) (27.97752, -82.82709) |
Roundabout Existing |
All-Way Yield Metering Signal |
6 Approaches 0 Driveways 68.5587 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Modified 2002-2004 to change geometry and striping, and remove fountain. 21442 |
|
Loveland,
CO Larimer Co. United States |
McWhinney Blvd. / Hahns Peak Dr. / Grays Peak Dr. (40.41048, -105.01140) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 71.6280 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | |
|
Fairmont,
WV Marion Co. United States |
WV 273 (State St.) / Haymond St. (39.47601, -80.13599) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Detectable warning surfaces along entire length of narrow pedestrian ramp. |
|
East Lansing,
MI Ingham Co. United States |
Bogue St. / Shaw Ln. (42.72575, -84.47185) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Roundabout built in 2000, removal date estimated (2013-2015). |
|
Phoenix,
AZ Maricopa Co. United States |
E. Cotton Center Blvd. / S. 44th Pl. (33.40279, -111.98790) |
Other Existing |
Unknown Unknown |
0 Approaches 0 Driveways 163.5163 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
|
Phoenix,
AZ Maricopa Co. United States |
Pointe Pkwy. / S 48th St. (33.37162, -111.97410) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | |
|
Fort Worth,
TX Tarrant Co. United States |
Bluebonnet Circle [W Biddson St. / Park Ridge Blvd. / S University Dr.] (32.69902, -97.36044) |
Other Existing |
Unknown Unknown |
6 Approaches 0 Driveways 141.7320 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1929 | . |
|
Monroe,
WA Snohomish Co. United States |
SR 522 EB Ramps / 164th St. SE / Tester Rd. (47.84863, -122.00580) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 60.9143 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Federal Way,
WA King Co. United States |
Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S (47.29863, -122.29280) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.6385 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Ridgeland,
MS Madison Co. United States |
Old Agency Rd / Highland Colony Pkwy (32.43125, -90.14893) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 47.3786 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector ICD estimated from Google Maps linework. |
|
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.4267 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
|
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.3498 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
|
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr. (36.18080, -115.31370) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1995 | Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442 |
|
Duvall,
WA King Co. United States |
SR 203 (Carnation-Duvall Rd.) / 124th St. / Novelty Hill (47.70910, -121.98440) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9865 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 47.7339 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Scaggsville,
MD Howard Co. United States |
MD 216 / US 29 SB Ramps (39.14562, -76.90418) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.7228 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Series of 4 roundabouts. ICD estimated from Google Maps linework. |
|
Richland,
WA Benton Co. United States |
Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl. (46.23893, -119.24546) |
Roundabout Existing |
All-Way Yield Metering Signal |
5 Approaches 0 Driveways 49.5635 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | 5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442 |
|
Westfield,
NJ Union Co. United States |
NJ 28 / E. Broad St. (Westfield Circle) (40.64849, -74.35027) |
Rotary Existing |
Unknown Unknown |
3 Approaches 0 Driveways 42.5896 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Lafayette,
LA Lafayette Par. United States |
Settlers Trace / River Ranch Dr. (30.17073, -92.03625) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 42.3339 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. 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. |
|
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. |
|
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. |
|
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. |
|
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. |
|
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. |
|
Stafford Springs,
CT Tolland Co. United States |
Rte 32 / Rte 190 (41.95362, -72.30314) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.6523 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1890 | Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). 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 |
|
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. |
|
Fort Collins,
CO Larimer Co. United States |
College Ave. / Laporte Ave. (40.58899, -105.07720) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 26.3021 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial 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. |
|
Modesto,
CA Stanislaus Co. United States |
Sylvan Ave. / Millbrook Ave. (37.68898, -120.93520) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.3658 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Urbana,
MD Frederick Co. United States |
Sugarloaf Pkwy. / Denison St. (39.33490, -77.34180) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 36.9503 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
|
La Quinta,
CA Riverside Co. United States |
Jefferson St. / Avenue 52 (33.67096, -116.26870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.6860 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | RT bypass lanes on all legs. ICD estimated from Google Maps linework. |
|
Sioux Falls,
SD Minnehaha Co. United States |
69th St. / Southeastern Ave. (43.48928, -96.68768) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.7250 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | ICD estimated from Google Maps linework. |
|
Sterling Heights,
MI Macomb Co. United States |
Utica Rd. / Dodge Park Rd. (42.59179, -83.01110) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 43.9629 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Lacey,
WA Thurston Co. United States |
College St. / 45th Ave. (47.00710, -122.82310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.0923 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Lacey,
WA Thurston Co. United States |
SR 510 (Marvin Rd.) / Pacific Ave. (47.03941, -122.76480) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.5572 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Completed July 28, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Lacey,
WA Thurston Co. United States |
Pacific Ave. / Golf Club Rd. / Lacey Blvd. (47.03786, -122.82860) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 61.8604 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Completed July 22, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Lacey,
WA Thurston Co. United States |
Pacific Ave. / Lacey Blvd. / Lacey St. / Homann Dr. (47.03677, -122.80630) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 53.7220 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Completed September 16, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Coralville,
IA Johnson Co. United States |
1st Ave. / Holiday Rd. (41.69276, -91.56655) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.8896 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Buena Vista Blvd. / Lake Miona Dr. (28.90940, -81.99397) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 55.4114 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | ICD estimated from Google Maps linework. |
|
Jackson,
MS Hinds Co. United States |
John R. Lynch St. / Metro Pkwy. / Eastview St. (32.29798, -90.21458) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.4296 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Jackson,
MS Hinds Co. United States |
Metro Pkwy. / Prentiss St. (32.30098, -90.21120) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 51.4850 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Jackson,
MS Hinds Co. United States |
Metro Pkwy. / Dalton St. (32.30095, -90.20563) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 38.3614 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Jackson,
MS Hinds Co. United States |
John R. Lynch St. / Prentiss St. (32.29755, -90.21119) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 34.3246 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | ICD estimated from Google Maps linework. |
|
Jackson,
MS Hinds Co. United States |
Metro Pkwy. / Terry Rd. / Pearl St. / Pascagoula St. (32.29912, -90.19500) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 79.2480 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | |
|
Jackson,
MS Hinds Co. United States |
Metro Pkwy. / Rose St. (32.30005, -90.20143) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Elliptical shaped. ICD = 160 ft x 115 ft. |
|
St. Simons,
GA Glynn Co. United States |
Demere Rd. / Frederica Rd. (31.15957, -81.38859) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.9249 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | 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. |
|
Indianapolis,
IN Marion Co. United States |
Monument Circle [Market St. / Meridian St.] (39.76848, -86.15804) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1820 | Most famous traffic circle in the State of Indiana. Completed 1820. |
|
(unincorporated),
OR Clackamas Co. United States |
SW Stafford Rd. / SW Borland Rd. (45.37472, -122.70240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.6945 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | ICD estimated from Google Maps linework. |
|
Johnson City,
NY Broome Co. United States |
Riverside Dr. / Floral Ave. / Rte 201 Ramps (42.10678, -75.96601) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | http://www.dot.state.ny.us/reg/r9/cur_project/circle/about/index.html |
|
The Villages,
FL Sumter Co. United States |
Buena Vista Blvd. / Rainey Tr. (28.91345, -81.99847) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.3183 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | 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. |
|
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. |
|
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. |
|
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. |
|
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. |
|
Provo,
UT Utah Co. United States |
300 North / Seven Peaks Blvd. (40.23737, -111.63750) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.7337 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | ICD estimated from Google Maps linework. |
|
Edmonton,
AB Edmonton Capital Region Canada |
St. Albert Trl. / Groat Rd. / 118th Ave. NW (53.57027, -113.54940) |
Rotary Existing |
Unknown Unknown |
4 Approaches 0 Driveways 58.1573 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Calgary,
AB Calgary Region Canada |
Discovery Ridge Blvd. / Discovery Dr. (51.01179, -114.20000) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.0855 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Date estimated. ICD estimated from Google Maps linework. |
|
Calgary,
AB Calgary Region Canada |
McKenzie Towne Blvd. / McKenzie Towne Gt. / Prestwick Blvd. / Inverness Gt. (50.91650, -113.96430) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 1 Driveways 80.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Fire station has direct access to circulatory roadway. Year Completed estimated (before 2002). |
|
Bellingham,
WA Whatcom Co. United States |
Cordata Pkwy. / Kellogg Rd. (48.79511, -122.49170) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.3384 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Primary access to Whatcom Community College. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Las Vegas,
NV Clark Co. United States |
Carey Ave. / Hamilton St. (36.20310, -115.12310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.9484 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | ICD estimated from Google Maps linework. |
|
Las Vegas,
NV Clark Co. United States |
Carey Ave. / Revere St. (36.20313, -115.15180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.8396 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | ICD estimated from Google Maps linework. |
|
Las Vegas,
NV Clark Co. United States |
Hills Dr. / Longspur Dr. (36.19252, -115.29770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2295 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1991 | ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Buena Vista Blvd. / Stillwater Trl. (28.90300, -81.98000) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.6426 |
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 |
Buena Vista Blvd. / Bailey Trl. / Odell Cir. (28.89440, -81.97949) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 55.4194 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Buena Vista Blvd. / St. Charles Pl. / Bonita Blvd. (28.88176, -81.98260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 55.4261 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | Fatal crash June 16, 2011. 11861-05. ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Buena Vista Blvd. / Bailey Trl. (28.87536, -81.99070) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 56.4754 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Stillwater Trl. / Canal St. (28.90453, -81.97457) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.5051 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Morse Blvd. / Stillwater Trl. (28.90661, -81.96886) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3218 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | ICD estimated from Google Maps linework. |
|
The Villages,
FL Sumter Co. United States |
Morse Blvd. / Lake Sumter Landing (28.90930, -81.96960) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 55.4114 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Bypass lane for northbound through movement. ICD estimated from Google Maps linework. |
|
St. Louis,
MO St. Louis Co. United States |
Halls Ferry / MO 367 (38.72251, -90.24017) |
Rotary Existing |
All-Way Yield None |
6 Approaches 0 Driveways 86.6571 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
three of the six approaches are multilane and have dual lanes of traffic merging into both lanes of the roundabout; roundabout is unstriped. Description as follows: Halls Ferry Circle is 3 lanes wide, 350 foot diameter, 35 miles per hour and has 5 major roadways entering (from http://www.ballwin.mo.us/minutes_062402.html) ICD estimated from Google Maps linework. | |
|
Colonie,
NY Albany Co. United States |
Albany Shaker Rd. / Maxwell Rd. (42.72396, -73.79143) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.7278 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Truckee,
CA Nevada Co. United States |
Hwy 89 / I-80 EB Ramps (39.32243, -120.20770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 55.4354 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Phoenix,
AZ Maricopa Co. United States |
99th Ave. / Lower Buckeye Rd. (33.42116, -112.27260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 59.8104 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Payson,
AZ Gila Co. United States |
SR 87 / Tyler Pkwy / Home Depot Entrance (34.26614, -111.32200) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.4034 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Truckee,
CA Nevada Co. United States |
Hwy 89 / I-80 WB Ramps (39.32386, -120.20760) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.6518 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
|
Lexington,
KY Fayette Co. United States |
W Reynolds Rd. / Keithshire Way / Wellington Way (37.99520, -84.53814) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.1196 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Opened between 1997 and 2002. Functional Class: Collector ICD estimated from Google Maps linework. |