|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
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 |
|
(unincorporated),
TX Hays Co. United States |
Ledge Stone Dr. / Rocky Ridge Trl. (30.20694, -97.97889) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2007 | Initially constructed 2006-2008 with southeast and northeast legs. Northwest leg added 2013-2014. Southwest leg added 2020-2021. |
|
Stockbridge,
GA Henry Co. United States |
GA 138 / Moseley Dr. (33.56930, -84.16559) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2016 | Initially constructed as a mini-roundabout in 2016; upgraded to a full roundabout in 2022. https://mhfnews.org/2022/06/16/gdot-crews-to-enlarge-moseley-drive-roundabout/ |
|
Kissimmee,
FL Osceola Co. United States |
Lakeview Dr. / Beaumont Ave. / (parking lot) (28.28792, -81.40892) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2011 | Initially constructed with three legs (northeast, southwest, southeast). Northeast leg added 2016. |
|
Jackson,
GA Butts Co. United States |
GA 36 / Keys Ferry Rd. / Barnetts Bridge Rd. (33.38354, -83.90334) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | Initially installed in 2017 as a modular, rapid-install roundabout (ICD = 70 ft). Converted to single-lane roundabout with raised central island in 2022. https://www.jacksonprogress-argus.com/news/roundabout-replacement-at-hwy-36-and-barnetts-bridge-road-in-butts-county-begins-jan-31/article_58c8363c-806c-11ec-be5a-efce5e2209d4.html |
|
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. |
|
Federal Way,
WA King Co. United States |
12th Ave. SW / 12th Pl. SW / SW 340th St. (47.29677, -122.35142) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.6299 |
Other (At-Grade) Single-Lane |
2013 | Inscribed diameter of 76 feet, landscaped central island, yield control on all approaches. No curbing for channelizing the approaches, paint only. Opened November 2013. ICD estimated from Google Maps linework. |
|
Rocklin,
CA Placer Co. United States |
Crossings Dr. / Bass Pro Dr. (38.80077, -121.20376) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Inside a mall parking area. Year Completed estimated (2013-2014). Partial concentric striped circulatory roadway. |
|
Sacramento,
CA Sacramento Co. United States |
Promenade Cir. / (unknown) (38.63732, -121.49950) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.5175 |
Other (At-Grade) Single-Lane |
2006 | Inside commercial/office park. ICD estimated from Google Maps linework. |
|
Northwest Warren,
MI Macomb Co. United States |
William Durant Blvd. / Charles Chayne Rd. (42.50727, -83.04056) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.4840 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Inside General Motors plant. |
|
Northwest Warren,
MI Macomb Co. United States |
Edward Cole Blvd. / Louis Chevrolet Rd. (42.51705, -83.03027) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.4840 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Inside General Motors plant. Year Completed estimated (2003-2005). |
|
San Diego,
CA San Diego Co. United States |
Surface Navy Blvd. / S 32nd St. (32.68369, -117.12563) |
Roundabout Existing |
All-Way Yield Other |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Inside Naval Base San Diego. Entrance station on north leg. Year Completed estimated (2009-2010). |
|
Charlotte,
NC Mecklenburg Co. United States |
Piedmont Row Dr. / Bullfinch Rd. (35.15216, -80.83980) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.0606 |
Other (At-Grade) Single-Lane |
2006 | Inside private development. ICD estimated from Google Maps linework. |
|
Palm Coast,
FL Flagler Co. United States |
(shopping center entrance) / (shopping center road) (29.47666, -81.21430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.0660 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Inside shopping center. ICD estimated from Google Maps linework. |
|
Davidsonville,
MD Prince George's Co. United States |
Town Center Blvd. / Emerald Way (38.94399, -76.73410) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Inside shopping center. No splitter islands on east and west legs. | |
|
Glenarden,
MD Prince George's Co. United States |
Campus Way N / McHugh Dr. (38.92127, -76.84944) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Inside shopping center. No splitter islands on northwest and southeast legs. | |
|
Glenarden,
MD Prince George's Co. United States |
Campus Way N / Woodmore Center Dr. (38.92263, -76.84787) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Inside shopping center. No splitter islands on northwest and southeast legs. | |
|
Cinnaminson,
NJ Burlington Co. United States |
Branch Pike / Burlington Pike (39.99064, -75.00752) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2008 | Inside shopping center. Year Completed estimated (2007-2008). |
|
Stone Mountain Park,
GA DeKalb Co. United States |
Robert E Lee Blvd. / Covered Bridge Ln. (33.80518, -84.13525) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.8178 |
Other (At-Grade) Single-Lane |
2003 | Inside Stone Mountain Park. Functional Class: Local ICD estimated from Google Maps linework. |
|
University City,
MO St. Louis Co. United States |
Delmar Blvd. / Trinity Ave. (38.65653, -90.31072) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.7103 |
Other (At-Grade) Single-Lane |
2015 | Installed as temporary roundabout ~2013. Made permanent 2015. ICD estimated from Google Maps linework. |
|
Milwaukee,
WI Milwaukee Co. United States |
E Hampshire Ave. / N Bartlett Ave. (43.07567, -87.88907) |
Traffic Calming Circle Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 16.1541 |
Other (At-Grade) Single-Lane |
Installed before April 2005. | |
|
Milwaukee,
WI Milwaukee Co. United States |
N Cambridge Ave. / E Kenwood Blvd. (43.07468, -87.89152) |
Traffic Calming Circle Existing |
All-Way Stop Unknown |
3 Approaches 0 Driveways 9.7536 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
Installed before April 2005. | |
|
Milwaukee,
WI Milwaukee Co. United States |
E Kenwood Blvd. / N Newhall St. (43.07468, -87.89032) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 17.6784 |
Other (At-Grade) Single-Lane |
Installed before April 2005. | |
|
Milwaukee,
WI Milwaukee Co. United States |
E Kenwood Dr. / N Bartlett Ave. (43.07467, -87.88911) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 16.4589 |
Other (At-Grade) Single-Lane |
Installed before April 2005. | |
|
Milwaukee,
WI Milwaukee Co. United States |
E Brown St. / N Hubbard St. (43.05646, -87.90837) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-Lane |
Installed before February 2005. | |
|
Milwaukee,
WI Milwaukee Co. United States |
E Hartford Ave. / N Newhall St. (43.07766, -87.89023) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 16.7637 |
Other (At-Grade) Single-Lane |
Installed before March 2000, exact date unknown | |
|
Milwaukee,
WI Milwaukee Co. United States |
E Hartford Ave. / N Bartlett Ave. (43.07765, -87.88901) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 16.4589 |
Other (At-Grade) Single-Lane |
Installed before March 2000. | |
|
Milwaukee,
WI Milwaukee Co. United States |
E Reservoir Ave. / N Hubbard St. (43.05516, -87.90840) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 19.2024 |
Other (At-Grade) Single-Lane |
Installed before March 2000. | |
|
Naples,
FL Collier Co. United States |
8th St. S / 12th Ave. S (26.13267, -81.79491) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2281 |
Other (At-Grade) Single-Lane |
1996 | Installed for community enhancement. ICD estimated from Google Maps linework. |
|
Naples,
FL Collier Co. United States |
7th St. N. / 12th Ave. N. (26.15734, -81.79282) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 13.7160 |
Other (At-Grade) Single-Lane |
1996 | Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth. |
|
Naples,
FL Collier Co. United States |
7th St. N. / 3rd Ave. N. (26.15530, -81.80524) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 9.6483 |
Other (At-Grade) Single-Lane |
1998 | Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework. |
|
Naples,
FL Collier Co. United States |
7th St. N. / 7th Ave. N. (26.15619, -81.79971) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.5125 |
Other (At-Grade) Single-Lane |
1998 | Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
Naples,
FL Collier Co. United States |
7th St. N. / 11th Ave. N. (26.15712, -81.79420) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 13.7160 |
Other (At-Grade) Single-Lane |
1996 | Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth. |
|
Coronado,
CA San Diego Co. United States |
Pomona Ave. / 7th St. / Adella Ave. (32.68808, -117.17250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2008 | Installed initially as temporary construction with no landscaping in 2008. Made permanent in 2014. |
|
South Mountain,
AZ Maricopa Co. United States |
S 20th St. / E Euclid St. (33.36686, -112.04021) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.2024 |
Other (At-Grade) Single-Lane |
2015 | Installed initially as traffic calming circle in 2007-2009. Converted to roundabout 2014-2015. |
|
Bargersville,
IN Johnson Co. United States |
SR 144 / I-69 SB Ramps (39.56591, -86.24760) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2022 | Interchange replaced at-grade signalized intersection. |
|
Bargersville,
IN Johnson Co. United States |
SR 144 / CR 144 / I-69 NB Ramps (39.56557, -86.24616) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2022 | Interchange replaced at-grade signalized intersection. |
|
Wentzville,
MO St. Charles Co. United States |
Prospect Rd. / I-64 EB Exit Ramp (38.79596, -90.82043) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6717 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | Interchange replaced single at-grade intersection. Year Completed estimated (2008-2009). |
|
Wentzville,
MO St. Charles Co. United States |
Prospect Rd. / Corporate Pkwy. / I-64 WB Exit Ramp (38.79597, -90.81810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | Interchange replaced single at-grade intersection. Year Completed estimated (2008-2009). |
|
Janesville,
WI Rock Co. United States |
N Harmony Town Hall Rd. / STH 26 NB Ramps (42.75114, -88.95416) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2012 | Interchange replaced single at-grade two-way stop-controlled intersection. |
|
Janesville,
WI Rock Co. United States |
N Harmony Town Hall Rd. / STH 26 SB Ramps (42.75331, -88.95426) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2012 | Interchange replaced single at-grade two-way stop-controlled intersection. |
|
McFarland,
WI Dane Co. United States |
CR AB / US 12-US 18 WB Ramps (43.04036, -89.24278) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2023 | Interchange replaced single stop-controlled intersection. |
|
McFarland,
WI Dane Co. United States |
CR AB / US 12-US 18 EB Ramps (43.03910, -89.24354) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2023 | Interchange replaced single stop-controlled intersection. |
|
Charlotte,
NC Mecklenburg Co. United States |
Moores Chapel Rd. / I-485 SB Ramp (35.27376, -80.96779) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 37.0520 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | Interchange terminal. Fatal crash June 28, 2011. ICD estimated from Google Maps linework. |
|
Charlotte,
NC Mecklenburg Co. United States |
Moores Chapel Rd. / I-485 NB Ramp (35.27366, -80.96478) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 37.0520 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | Interchange terminal. Fatal crash May 14, 2008. ICD estimated from Google Maps linework. |
|
Modesto,
CA Stanislaus Co. United States |
Coffee Rd. / Claratina Ave. (37.69985, -120.97630) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.1294 |
Other (At-Grade) Single-Lane |
2008 | Interim configuration ICD estimated from Google Maps linework. |
|
American Fork,
UT Utah Co. United States |
N 4850 W / 620 S (40.36393, -111.77437) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Interim configuration with north, south, and west legs only. Right-turn-only lane on west leg and striped out receiving lane in circulatory roadway. Two circulating lanes on north leg in interim configuration. Year Completed estimated (2021-2022). |
|
Celina,
TX Collin Co. United States |
Choate Pkwy. / Kinship Pkwy. (33.29258, -96.76976) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2021 | Interim scenario - ultimate lane configuration striped out on initial build. |
|
Bend,
OR Deschutes Co. United States |
NW Crossing Dr. / Shevlin Park Road (44.06410, -121.34480) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.3280 |
Other (At-Grade) Single-Lane |
2006 | Intersection as part of NW Crossing Development. Connection to existing NW Shevlin Park Road. ICD estimated from Google Maps linework. |
|
Topeka,
KS Shawnee Co. United States |
Wanamaker Rd. / SW 6th Ave. (39.05662, -95.76134) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.7180 |
Other (At-Grade) Single-Lane |
2004 | Intersection expanded for new development. Previously T with 6th controlled by stop sign. Previously controlled by one-way stop 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. |
|
Nampa,
ID Canyon Co. United States |
N Happy Valley Rd. / E Victory Rd. (43.57444, -116.51303) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | Intersection moved 0.1 mile south due to airport. https://www.idahopress.com/news/local/1903-wright-flyer-sculpture-featured-at-new-roundabout-near-nampa-airport/article_a2bb7a2a-7fdf-5110-b36f-8657c33dda60.html |
|
Oxford,
MS Lafayette Co. United States |
S Lamar Blvd. / Belk Blvd. (34.34730, -89.52118) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.4013 |
Unknown Single-Lane |
2018 | Intersection moved about 100 feet north. https://www.oxfordeagle.com/2018/07/13/construction-continues-on-south-lamar-roundabout/ ICD estimated from Google Maps linework. |
|
Canton,
OH Stark Co. United States |
Harrisburg Rd. NE / 30th St. NE / (unknown) (40.82993, -81.34759) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | Intersection moved about 100 feet south. Year Completed estimated (2019-2020). |
|
Anderson,
SC Anderson Co. United States |
Brown Rd. / Kings Rd. / Frances Cannon Dr. (34.56968, -82.66937) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.6029 |
Other (At-Grade) Single-Lane |
2018 | Intersection moved about 100 ft south; Frances Cannon Dr rerouted to the roundabout. Truck apron takes up almost the entire center island. https://www.independentmail.com/story/news/local/2017/12/28/roundabouts-coming-anderson-two-years-after-they-were-announced/871867001/ ICD estimated from Google Maps linework. |
|
Fishers,
IN Hamilton Co. United States |
E 136th St. / Southeastern Pkwy. / (unknown) (39.98700, -85.91258) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.5184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | Intersection moved about 500 feet east. ICD estimated from Google Maps linework. |
|
Sherwood,
OR Washington Co. United States |
SW Elwert Rd. / SW Kruger Rd. / Cedar Ln. (45.35477, -122.86786) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2020 | Intersection of Kruger/Elwert was moved north a few hundred feet. That intersection was previously a two-way stop. |
|
Maple Grove,
MN Hennepin Co. United States |
Norwood Ln. / 85th Pl. (45.10971, -93.43961) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.6737 |
Other (At-Grade) Single-Lane |
2006 | Intersection of local and collector street in residential development. Functional Class: Collector ICD estimated from Google Maps linework. |
|
Bryan,
TX Brazos Co. United States |
Wildflower Dr. / Towne Centre Way (30.66316, -96.32273) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6717 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Intersection of two low-volume collector roadways in a shopping center development. Circular roadway is two lanes wide (with no lane markings) plus a 13' truck apron. |
|
West Des Moines,
IA Dallas Co. United States |
S. Crescent Way / Stagecoach Dr. (41.56252, -93.78701) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.9581 |
Other (At-Grade) Single-Lane |
2007 | Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework. |
|
West Des Moines,
IA Dallas Co. United States |
S. Crescent Way / S. Ridgefield Way / Fairway Dr. (41.56541, -93.78633) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.9566 |
Other (At-Grade) Single-Lane |
2007 | Intersection of two private residential streets on former Ponderosa Golf Course. ICD estimated from Google Maps linework. |
|
Beltsville,
MD Prince George's Co. United States |
Sellman Rd. / Woodbine Rd. (39.03418, -76.93680) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2008 | Intersection relocated south of previous TWSC intersection. |
|
Gainesville,
FL Alachua Co. United States |
Tower Rd. / SW 14th Ave. (29.63804, -82.42244) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.1802 |
Other (At-Grade) Single-Lane |
2018 | Intersection relocated to south of previous 14th Ave. alignment. ICD estimated from Google Maps linework. |
|
Des Plaines,
IL Cook Co. United States |
N. Wolf Rd. / State St. / N. Broadway St. / E. Golf Rd. (42.05374, -87.91028) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 49.3776 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | Intersection upgraded by IDOT to roundabout in 2018. |
|
Middletown,
DE New Castle Co. United States |
St Annes Church Rd. / Levels Rd. (39.42842, -75.73887) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.9783 |
Other (At-Grade) Single-Lane |
2010 | Intersection was relocated when converted to roundabout. ICD estimated from Google Maps linework. |
|
Federal Way,
WA King Co. United States |
S 333rd St. / Community Center Entrance (47.30548, -122.32380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.1550 |
Other (At-Grade) Single-Lane |
2006 | January 2006. ICD estimated from Google Maps linework. |
|
Gig Harbor,
WA Thurston Co. United States |
Harbor Hill Dr. / (parking) (47.35845, -122.60116) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2008 | January 2008. |
|
Maple Valley,
WA King Co. United States |
Witte Rd. SE / SE 248th St. (47.37966, -122.04813) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2011 | January 2011. |
|
Clearwater,
FL Pinellas Co. United States |
Palmetto St. / Casler Ave. (27.97541, -82.76752) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.0954 |
Other (At-Grade) Single-Lane |
2003 | John F. Kennedy Middle School on NE corner. Crossing guard operation across N and E legs. ICD estimated from Google Maps linework. |
|
Rayville,
LA Richland Par. United States |
US 425 (Julia St. - Louisa St.) / Grimshaw St. / Christian Dr. (32.46006, -91.75859) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2022 | Julia Street on north leg is one-way into the roundabout; Louisa Street is one-way out of the roundabout. https://www.knoe.com/2022/09/15/town-rayville-celebrates-new-51-million-us-425-roundabout/ |
|
Monroe,
WA Snohomish Co. United States |
Country Crescent SE / County Crescent SE (47.86547, -121.96140) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2002 | July 2002. |
|
Auburn,
WA King Co. United States |
124 Ave. SE / SE 304th St. (47.32978, -122.17640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.1891 |
Other (At-Grade) Single-Lane |
2008 | July 2008. ICD estimated from Google Maps linework. |
|
Tumwater,
WA Thurston Co. United States |
Littlerock Rd. SW / Tumwater Blvd. SW (46.98283, -122.93544) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2009 | July 2009. |
|
Port Townsend,
WA Jefferson Co. United States |
SR 20 (Sims Way) / Thomas St. (48.10333, -122.79891) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2010 | July 2010. |
|
Renton,
WA King Co. United States |
N 10th St. / N 10th Pl. (47.49781, -122.20468) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2008 | June 2008. |
|
Woodland,
WA Cowlitz Co. United States |
Insel Rd. / Willow St. (45.92237, -122.73400) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2009 | June 2009. |
|
Kennewick,
WA Benton Co. United States |
SR 240 / US 395 SB Ramps (46.21697, -119.13980) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.9307 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | June 2009. ICD estimated from Google Maps linework. |
|
Kennewick,
WA Benton Co. United States |
SR 240 / US 395 NB Ramps / Columbia Dr. (46.21688, -119.13680) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0973 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | June 2009. ICD estimated from Google Maps linework. |
|
Puyallup,
WA Pierce Co. United States |
15th Ave. SE / 3rd St. SE (47.17741, -122.29100) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2010 | June 2010. |
|
Tumwater,
WA Thurston Co. United States |
Littlerock Rd. SW / Odegard Rd. SW (46.98985, -122.92650) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2010 | June 2010. |
|
Palmerston North,
Wanganui-Manawatu Palmerston North New Zealand |
Tremaine Ave. / Botanical Rd. / Gillespies Line (-40.35091, 175.58457) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
Kidney shaped. | |
|
Giessendam,
South Holland Hardinxveld-Giessendam Netherlands |
Sportlaan / Schapedrift / Zwijnskade (51.82574, 4.80473) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 34.6936 |
Other (At-Grade) Single-Lane |
Kidney-shaped. ICD estimated from Google Maps linework. | |
|
Arlington,
TX Tarrant Co. United States |
Beaver Creek Dr. / Park View Pl. (32.81111, -97.07518) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2018 | Landscaped splitter island only on northwest leg. No apron; small landscaped central island with concrete curb. |
|
Euless,
TX Tarrant Co. United States |
Smokey Quartz Ln. / Blue Topaz Trl. (32.80268, -97.08013) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | Landscaped splitter islands on Smokey Quartz Ln; small brick-paved central island. |
|
Burlington,
NC Alamance Co. United States |
Boone Station Dr. / Boston Dr. (36.07077, -79.50516) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Lane change required for northbound left turn. |
|
Austin,
TX Williamson Co. United States |
(unknown) (30.44990, -97.74539) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Lane change required for west-to-north movement. |
|
East Hanover,
NJ Morris Co. United States |
Health Plaza / (unknown) (40.80689, -74.39206) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Lane change required to exit from left entry lane on west leg. Year Completed estimated (2010-2012). |
|
Hamburg,
NY Erie Co. United States |
Rte 179 / Gateway Blvd. / Rte 5 (Lake Shore Rd.) Ramps (42.79021, -78.84711) |
Rotary Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 128.8386 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
Lane change required to go further than the next exit. ICD estimated from Google Maps linework. | |
|
Catonsville,
MD Baltimore Co. United States |
Hilltop Cir. / UMBC Blvd. (39.25178, -76.71442) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.1156 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | Lane changes needed for some through movements. ICD estimated from Google Maps linework. |
|
Budejovice,
South Bohemia Budweis Czechia |
E49 / České Vrbné (49.00361, 14.45250) |
Rotary Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Lane changes required for left-turn movements. | |
|
Smyrna,
GA Cobb Co. United States |
Belmont Blvd. / Belmont Pl. SE (33.89147, -84.52132) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2013 | Lane changes required for through movements or left turns to circulate or exit. |
|
Sharpsburg,
GA Coweta Co. United States |
Fischer Crossing Blvd. / (unknown) (33.39771, -84.61863) |
Other Existing |
Uncontrolled None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Lane changes required to exit three legs. Painted splitter islands on west, north, and east legs. | |
|
Columbus,
GA Muscogee Co. United States |
Flat Rock Rd. / (unknown) (32.54468, -84.87492) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Lane changes required to exit. Year Completed estimated (2020-2022). |
|
Columbus,
GA Muscogee Co. United States |
Flat Rock Rd. / Midland Commons Blvd. (32.54189, -84.87478) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Lane changes required to exit. Year Completed estimated (2022-2022). |
|
Gainesville,
FL Alachua Co. United States |
Celebration Pointe Ave. / SW 35th Blvd. (29.62530, -82.38860) |
Other Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Lane changes required within circulatory roadway. | |
|
Venice,
Veneto Venice Italy |
Rotonda Romea: Via Romea / A57 Ramps (45.47424, 12.21233) |
Rotary Existing |
All-Way Yield Unknown |
3 Approaches 4 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Lane changes required. | |
|
Conyers,
GA Rockdale Co. United States |
Renaissance Dr. NE / Rockdale Health Care NE (33.68116, -83.98846) |
Other Existing |
Other None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Lane changing required for some movements; mix of stop and yield control. | |
|
Sarasota,
FL Sarasota Co. United States |
US 41 (Tamiami Trl.) / Fruitville Rd. (27.33888, -82.54680) |
Roundabout Existing |
All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2020 | Lane dividers using striping and raised pavement markers. Yield-controlled right-turn bypass lanes on south and east legs. https://www.heraldtribune.com/story/news/local/sarasota/2020/11/27/fruitville-roundabout-open-city-leaders-urge-motorists-slow-down/6398860002/ |
|
South Bend,
IN St. Joseph Co. United States |
Fellows St. / Dean Johnson Blvd. (41.66300, -86.24449) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 29.4441 |
Other (At-Grade) Single-Lane |
Lane drops on north and west legs without signs. Year Completed unknown (<1998). ICD estimated from Google Maps linework. |