|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Ina,
Gävleborg County Söderhamns kommun Sweden |
Rte 50 / E4 NB Ramps / Södra Tvärleden / Söderhamnsporten (61.29733, 17.02650) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 54.8640 |
Freeway Ramps (Grade-Separated) Single-Lane |
Completed in 2009 or earlier. | |
|
Mauston,
WI Juneau Co. United States |
STH 82 (Gateway Ave.) / I-90-I-94 EB Ramps (43.79649, -90.05800) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | Raindrop shaped. https://www.mauston.com/vertical/Sites/%7BF7711255-419A-434B-BDA9-D1E7B277079F%7D/uploads/221216_I-90-94_and_WIS_82_Winter_Shutdown.pdf |
|
Mauston,
WI Juneau Co. United States |
STH 82 (Gateway Ave.) / I-90-I-94 WB Ramps (43.79635, -90.05521) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | Raindrop shaped. https://www.mauston.com/vertical/Sites/%7BF7711255-419A-434B-BDA9-D1E7B277079F%7D/uploads/221216_I-90-94_and_WIS_82_Winter_Shutdown.pdf |
|
Sheffield Cross,
Co Laois Ireland |
N77 / M7 (Portlaoise Bypass) Ramps / L26965 (53.01330, -7.30334) |
Rotary Existing |
Unknown Unknown |
5 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
||
|
Boardman,
NC Columbus Co. United States |
Old Boardman Rd. / US 74 EB Ramps (34.43447, -78.95052) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html. |
|
Boardman,
NC Columbus Co. United States |
Old Boardman Rd. / US 74 WB Ramps (34.43547, -78.94924) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html. |
|
New Florence,
MO Montgomery Co. United States |
MO 19 / Tree Farm Rd. / I-70 EB Ramps (38.89821, -91.45624) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.modot.org/node/35298 |
|
New Florence,
MO Montgomery Co. United States |
MO 19 / Booneslick Rd. / I-70 WB Ramps (38.90090, -91.45707) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.modot.org/node/35298 Combined freeway interchange with at-grade intersection. Previously, the interchange was stop controlled and the intersection had traffic lights. |
|
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. |
|
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). |
|
O'Fallon,
MO St. Charles Co. United States |
Connecting Rd. / Alta Mira Ct. / MO 364 WB Ramps (38.76954, -90.74393) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2014 | |
|
Weldon Spring,
MO St. Charles Co. United States |
Technology Dr. / Meadows Pkwy. / Wolfrum Rd. / I-64 WB Exit Ramp (38.70526, -90.67410) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Single-Lane |
Oval shaped. ICD = 200 ft x 180 ft. Built initially as 2x2 roundabout in 2005-2006. Concentric circulatory roadway striping. Converted to single lane using by striping out inner circulatory roadway lane and left entry lane on southwest leg 2020-2021. | |
|
Chesterfield,
MO St. Louis Co. United States |
N Outer 40 Rd. / I-64 WB Exit Ramp (38.67582, -90.65115) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Year Completed estimated (2009-2010). |
|
Little Falls,
NJ Passaic Co. United States |
Clove Rd. / US 46 EB Ramps / (unknown) (40.87254, -74.19662) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Freeway Ramps (Grade-Separated) Single-Lane |
2019 | https://themontclarion.org/news/commuters-breathe-sigh-of-relief-with-clove-road-bridge-opening/ |
|
Clifton,
NJ Passaic Co. United States |
Valley Rd. / Great Notch Rd. / US 46-SR 3 WB Exit Ramp (40.87171, -74.18939) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | https://www.northjersey.com/story/news/transportation/2023/10/31/route-46-and-route-3-construction-in-passaic-county-nearly-done/71330652007/ |
|
Courtland,
MN Nicollet Co. United States |
CSAH 12 (4th St.) / US 14 EB Ramps (44.27180, -94.34138) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Raindrop shaped. https://www.mprnews.org/story/2023/11/21/southwestern-minnesota-celebrates-completion-of-highway-14-expansion-project (picture about halfway down the page) |
|
Courtland,
MN Nicollet Co. United States |
CSAH 12 (4th St. - 541st Ave.) / US 14 WB Ramps / 466th St. (44.27411, -94.34144) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.nujournal.com/news/local-news/2023/09/16/new-courtland-csah-12-highway-14-intersection-opens/ |
|
Inwood,
WV Berkeley Co. United States |
SR 51 (Gerrardstown Rd.) / I-81 SB Ramps / Arden-Nollville Rd. (39.36247, -78.04925) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | https://www.journal-news.net/news/local-news/official-phase-one-of-i-81-inwood-bypass-nearly-done/article_87d020ff-2d39-5835-8d9a-c25afa4402ea.html |
|
Inwood,
WV Berkeley Co. United States |
SR 51 (Gerrardstown Rd.) / I-81 NB Ramps (39.36263, -78.04701) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | https://www.journal-news.net/news/local-news/official-phase-one-of-i-81-inwood-bypass-nearly-done/article_87d020ff-2d39-5835-8d9a-c25afa4402ea.html |
|
Cox Green,
England Windsor And Maidenhead United Kingdom |
Holyport Interchange: A404 (M) / A308 (M) / M4 Ramps (51.49903, -0.72393) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
|
Chalvey,
England Slough United Kingdom |
Tuns Lane Interchange: A355 (Tuns Ln.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.50311, -0.61641) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
|
Brands Hill,
England Slough United Kingdom |
Langley Roundabout: A4 (London Rd.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.49179, -0.54292) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
|
Cranford,
England Greater London United Kingdom |
A408 / M4 (Heathrow Airport Spur Rd. / M4 (Chiswick to Langley Special Road) Ramps (51.49580, -0.45344) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
|
Clewer Village,
England Windsor And Maidenhead United Kingdom |
A308 (Maidenhead Rd.) / A332 (Royal Windsor Way) Ramps (51.48356, -0.62366) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
||
|
Trinidad,
CO Las Animas Co. United States |
County Road 69.1 / I-25 SB Ramps (37.13386, -104.52197) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.codot.gov/projects/archived-project-sites/i25-exit11-trinidad-intersection |
|
Trinidad,
CO Las Animas Co. United States |
Santa Fe Trail / I-25 NB Ramps (37.13383, -104.52080) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.codot.gov/projects/archived-project-sites/i25-exit11-trinidad-intersection |
|
Pueblo,
CO Pueblo Co. United States |
Frontage Rd. / Drew Dix Pkwy. / I-25 SB Exit Ramp (38.34309, -104.62080) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.codot.gov/projects/drewdixdillon |
|
Berkeley,
CA Alameda Co. United States |
Gilman St. / I-80 EB Ramps / Eastshore Hwy. (37.87826, -122.30681) |
Roundabout Unknown |
All-Way Yield Unknown |
5 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Unknown |
Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project | |
|
Berkeley,
CA Alameda Co. United States |
Gilman St. / I-80 WB Ramps / Frontage Rd. (37.87808, -122.30769) |
Roundabout Unknown |
All-Way Yield Unknown |
5 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Unknown |
Opening 2024 https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-alameda-80-gilman-interchange-improvement-project | |
|
Round Rock,
TX Williamson Co. United States |
Chisholm Trail Rd. / (RM 620 (Round Rock Ave.) Ramps / (parking) (30.51070, -97.68924) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) |
5 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Built at new freeway overpass over rail line. Rail line goes through the roundabout. https://www.kxan.com/video/round-rock-drivers-adapt-to-new-roundabout/9518214/ |
|
Rocky Mount,
NC Nash Co. United States |
NC 43 (Benvenue Rd.) / US 64 EB Ramps / Battle Park Ln. (35.96313, -77.80598) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 73.1520 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.rockymounttelegram.com/features/local/roundabout-on-benvenue-nears-completion/article_24f4ddfc-9b0d-11ee-b8f7-e7a7fdc66294.html |
|
Town of Empire,
WI Fond Du Lac Co. United States |
CR UU / STH 23 WB Ramps (43.78427, -88.36128) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | https://projects.511wi.gov/wis23resurface/full-project-overview/ |
|
Town of Empire,
WI Fond Du Lac Co. United States |
CR UU / STH 23 EB Ramps (43.78296, -88.36133) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | https://projects.511wi.gov/wis23resurface/full-project-overview/ |
|
Fond du Lac,
WI Fond Du Lac Co. United States |
CR K / STH 23 WB Ramps (43.78438, -88.38654) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | https://projects.511wi.gov/wis23resurface/full-project-overview/ |
|
Fond du Lac,
WI Fond Du Lac Co. United States |
CR K / STH 23 WB Ramps / Mary Hill Park Dr. (43.78288, -88.38671) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | https://projects.511wi.gov/wis23resurface/full-project-overview/ |
|
Lodi,
CA San Joaquin Co. United States |
Cherokee Ln. / SR 99 SB Exit Ramp / (connector to E Turner Rd.) (38.14475, -121.26156) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Raindrop shaped. https://www.youtube.com/watch?v=K4bMgmfZOPg |
|
Sacramento,
CA Sacramento Co. United States |
Crossfield Dr. / Lindbergh Dr. / Airport Blvd. SB Ramps (38.67892, -121.59240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Serves Sacramento International Airport. https://sacramento.aero/scas/about/news-and-events/upcoming-smf-construction-plan-ahead-for-improved-travel-experience |
|
Sacramento,
CA Sacramento Co. United States |
Crossfield Dr. / Meister Way / Airport Blvd. NB Ramps (38.67890, -121.58937) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | Serves Sacramento International Airport. https://sacramento.aero/scas/about/news-and-events/upcoming-smf-construction-plan-ahead-for-improved-travel-experience |
|
Gaffney,
SC Cherokee Co. United States |
Shelby Hwy. / I-85 NB Ramps (35.10925, -81.60193) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | |
|
Gaffney,
SC Cherokee Co. United States |
Shelby Hwy. / I-85 SB Ramps (35.11093, -81.60201) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | |
|
Napoleon,
OH Henry Co. United States |
SR 108 / US 6-US 24 WB Ramps (41.40926, -84.13197) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.northwestsignal.net/news/image_e08cef2c-9084-52ef-9bc1-bfd8ab955679.html |
|
Groningen,
Groningen Groningen Netherlands |
Bedumerweg / N370 Ramps / Smirnoffstraat (53.23734, 6.56591) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Single-Lane |
Right-turn-only lane on west leg. | |
|
Hoogkerk,
Groningen Groningen Netherlands |
Professor Uilkensweg / N355 Ramps (53.23584, 6.51986) |
Signalized Roundabout/Circle Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Single-Lane |
Oval shaped. | |
|
Groningen,
Groningen Groningen Netherlands |
N370 / N7-E22 Ramps (53.20089, 6.55355) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
||
|
Groningen,
Groningen Groningen Netherlands |
Laan Corpus Den Hoorn / N7-E22 WB Ramps / Jan Evert Scholtenlaan (53.19891, 6.54615) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
||
|
Groningen,
Groningen Groningen Netherlands |
Laan Corpus Den Hoorn / N7-E22 EB Ramps (53.19819, 6.54671) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
||
|
Hazelwood,
MO St. Louis Co. United States |
Dunn Rd. / Sieloff Dr. / I-270 WB Entrance Ramp (38.77626, -90.33959) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Left-turn-only lane on east leg. Little deflection westbound. |
|
Spanish Lake,
MO St. Louis Co. United States |
Dunn Rd. / I-270 WB Ramps (38.77088, -90.22381) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2020 | Left-turn-only lane on east leg. Little deflection westbound. |
|
Las Vegas,
NV Clark Co. United States |
Lake South / Crystal Water Way (36.13289, -115.29050) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 25.0796 |
Other (At-Grade) Single-Lane |
1994 | Completed August 1994. Functional Class: Collector ICD estimated from Google Maps linework. |
|
(unincorporated),
FL Palm Beach Co. United States |
Lakes at Boca Raton / Cain Blvd. (26.39603, -80.21160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.3962 |
Other (At-Grade) Single-Lane |
1994 | Completed November 1994. ICD estimated from Google Maps linework. |
|
Lisbon,
MD Howard Co. United States |
MD 94 / MD 144 (39.33700, -77.07360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
1993 | First roundabout in Maryland. Built initially as temporary, made permanent after one month. |
|
Gainesville,
FL Alachua Co. United States |
SE 7th St. / SE 4th Ave. (29.64824, -82.31792) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-Lane |
1992 | Pedestrian crossings within circulatory roadway. Completed April 1992. |
|
Fort Walton Beach,
FL Okaloosa Co. United States |
Hollywood Blvd. / Doolittle Blvd. (30.41364, -86.66468) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.8704 |
Other (At-Grade) Single-Lane |
1994 | |
|
Tallahassee,
FL Leon Co. United States |
Killarney Way / Shamrock Dr. (30.51361, -84.22315) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.7810 |
Other (At-Grade) Single-Lane |
1994 | Completed August 1994. ICD estimated from Google Maps linework. |
|
Bradenton Beach,
FL Manatee Co. United States |
SR 789 / Bridge St. (27.46500, -82.69847) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 14.8361 |
Other (At-Grade) Single-Lane |
1994 | Completed August 1994. ICD estimated from Google Maps linework. |
|
Short Pump,
VA Goochland Co. United States |
Capitol One Dr. / (unknown) (37.62693, -77.66927) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 37.8365 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
|
Santa Barbara,
CA Santa Barbara Co. United States |
Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd. (34.42903, -119.67720) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 1 Driveways 23.6427 |
Other (At-Grade) Single-Lane |
1992 | Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework. |
|
Long Beach,
CA Los Angeles Co. United States |
Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal) (33.78989, -118.14250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 137.1597 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1993 | Traffic circle conversion. Modified in 2020 to reduce lanes. 21442 |
|
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Hualapai Way (36.17850, -115.31770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 70.1040 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1990 | Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442 |
|
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Village Center Cir. / Library Hills Dr. (36.18960, -115.30360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 91.4400 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1990 | Completed March 1990. Modified 2010 to reduce lane configuration. 21442 |
|
Boca Raton,
FL Palm Beach Co. United States |
SW 18th St. / Juana Rd. (SW 12th Ave.) (26.33206, -80.11059) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1985). | |
|
Vail,
CO Eagle Co. United States |
Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd. (39.64477, -106.37770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1995 | Raindrop-shaped central island. |
|
Vail,
CO Eagle Co. United States |
Vail Rd. / I-70 EB Ramps / South Frontage Rd. (39.64355, -106.37810) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 59.4360 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1995 | Completed October 1995. Circular central island. |
|
Lothian,
MD Anne Arundel Co. United States |
MD 2 / MD 408 / MD 422 (38.82973, -76.61590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.8423 |
Other (At-Grade) Single-Lane |
1995 | Completed October 1995. ICD estimated from Google Maps linework. |
|
Elkton,
MD Cecil Co. United States |
MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle) (39.66364, -75.85529) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.0178 |
Other (At-Grade) Single-Lane |
1995 | Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Cearfoss,
MD Washington Co. United States |
MD 63 / MD 58 / MD 494 (Cearfoss Pike) (39.70017, -77.77593) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
1995 | Completed December 1995. |
|
Towson,
MD Baltimore Co. United States |
MD 45 / MD 146 / Joppa Rd. / Allegheny Ave. (39.40185, -76.60230) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 47.9892 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442 |
|
West Palm Beach,
FL Palm Beach Co. United States |
S. Quadrille Blvd. (El Campeon Blvd.) / Fern St. (26.71040, -80.05505) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | Replaced with TWSC 1995-1999; signalized in 2019. |
|
Daytona Beach,
FL Volusia Co. United States |
Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.) (29.22941, -81.02484) |
Rotary Removed |
All-Way Yield Unknown |
0 Approaches 0 Driveways 42.7326 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). ICD estimated from Google Maps linework. |
|
Lake Worth,
FL Palm Beach Co. United States |
SR 802 (Lucerne Ave. - Lake Ave.) / A St. (26.61670, -80.06500) |
Roundabout Existing |
All-Way Yield Pedestrian Signal (red-yellow-green to drivers) |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2002 | ICD = 190 ft x 140 ft. |
|
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. / 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. |
|
Tavares,
FL Lake Co. United States |
Main St. / Disston Ave. / Lake Dora Dr. (28.80215, -81.72475) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 20.9315 |
Other (At-Grade) Single-Lane |
1996 | Railroad tracks running along edge of central island. RR unprotected, train frequency 1-2/wk, 10 mph. ICD estimated from Google Maps linework. |
|
Clovis,
NM Curry Co. United States |
Hwy 245 (Llano Estacado Blvd.) / Norris St. (34.43384, -103.17830) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.3276 |
Other (At-Grade) Single-Lane |
2006 | Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework. |
|
Taneytown,
MD Carroll Co. United States |
MD 140 / MD 832 / Antrim Blvd. (39.64809, -77.15468) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Single-Lane |
1996 | Completed August 1996. Curbs set for double lane, striped for single outer circulating lane. |
|
Hilton Head,
SC Beaufort Co. United States |
Whooping Crane Way / Main St. (32.21647, -80.72187) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.4598 |
Other (At-Grade) Single-Lane |
1996 | Completed February 1996. ICD estimated from Google Maps linework. |
|
Addison,
TX Dallas Co. United States |
Addison Cir. / Quorum Dr. (32.96138, -96.82592) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | . |
|
Montpelier,
VT Washington Co. United States |
Keck Circle (Main St. / Spring St.) (44.26283, -72.57178) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.6594 |
Other (At-Grade) Single-Lane |
1995 | Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework. |
|
Sarasota,
FL Sarasota Co. United States |
St. Armands Circle: SR 780 / Boulevard of the Presidents / John Ringling Blvd. (27.31842, -82.57722) |
Other Existing |
Other None |
5 Approaches 0 Driveways 128.0157 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Pedestrian access to central island; parking along circulatory roadway. Shopping district. Completed 1940? | |
|
Sarasota,
FL Sarasota Co. United States |
South Gate Circle (Tuttle Ave. / Siesta Dr.) (27.30536, -82.51414) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 120.9825 |
Other (At-Grade) Unknown |
Yield control on circulatory roadway. 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. |
|
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. |
|
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / Rainbow Dr. (26.01050, -80.18360) |
Other Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 274.3200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Uncontrolled mainline, stop-control on side street. Building and parking in central island. | |
|
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / 26th Ave. (26.01110, -80.15920) |
Signalized Roundabout/Circle Existing |
Signal None |
4 Approaches 0 Driveways 200.7172 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Signal access to parking and building in center of circle. ICD estimated from Google Maps linework. | |
|
Hollywood,
FL Broward Co. United States |
Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St. (26.01150, -80.14300) |
Signalized Roundabout/Circle Existing |
Signal None |
7 Approaches 0 Driveways 70.8411 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Signalized access, parking area in central island. ICD estimated from Google Maps linework. | |
|
Modesto,
CA Stanislaus Co. United States |
Chandon Dr. / Calero Dr. (37.67642, -120.93380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4132 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
|
Modesto,
CA Stanislaus Co. United States |
Bowen Ave. / Fremont Ave. (37.67470, -121.00260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.9061 |
Other (At-Grade) Single-Lane |
2002 | Previously controlled by twsc ICD estimated from Google Maps linework. |
|
Stuart,
FL Martin Co. United States |
S. Dixie Hwy / SR 76 / SR A1A (27.19767, -80.25266) |
Other Existing |
Other None |
0 Approaches 0 Driveways 26.5569 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Railroad crossing next to circle. ICD estimated from Google Maps linework. | |
|
Stuart,
FL Martin Co. United States |
N. Colorado Ave. / E. Osceola St. (27.19860, -80.25300) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.9303 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / Beaver Creek Blvd. (39.63528, -106.52220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 68.5800 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1997 | Right-turn-only lane on north leg. Elliptical shaped. Skewed intersection. ICD = 225 ft x 160 ft. |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / Benchmark Rd. (39.63425, -106.52220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1997 | Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. 21442 |
|
Avon,
CO Eagle Co. United States |
Avon Rd. / US 6 (39.63110, -106.52260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1997 | Highway ref. pt. 6-170.04. Right-turn-only lane on east leg. |
|
Nederland,
CO Boulder Co. United States |
SH 72 / SH 119 / 2nd St. / Bridge St. (39.96261, -105.51030) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 23.8006 |
Other (At-Grade) Single-Lane |
1995 | Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Tampa,
FL Hillsborough Co. United States |
North Blvd. / Country Club Dr. (28.05466, -82.46759) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 14.7559 |
Other (At-Grade) Single-Lane |
1996 | Completed June 1996. ICD estimated from Google Maps linework. |
|
Winston-Salem,
NC Forsyth Co. United States |
Salem Rd. / Old Salem Rd. / S. Main St. (36.08215, -80.24125) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 64.0080 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2005 | TIP Project U-2926. Right-turn-only lanes on east and west legs. |
|
Scottsdale,
AZ Maricopa Co. United States |
N. 64th St. / E. Lafayette Blvd. (33.49474, -111.94330) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.9119 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
|
Olmos Park,
TX Bexar Co. United States |
Olmos Dr. / El Prado Dr. / McCullough Ave. (29.47094, -98.49162) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 32.0037 |
Other (At-Grade) Single-Lane |
1996 | Completed July 1996. |