|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Henderson,
NV Clark Co. United States |
Greenway Rd. / E Middleton Dr. / Onyx Mountain Dr. (36.01882, -114.97610) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Year Completed estimated (2021-2022). |
|
Henderson,
NV Clark Co. United States |
Paradise Hills Dr. / Nevada State Dr. (35.98365, -114.93505) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2021 | Year Completed estimated (2021-2022). |
|
Coal Grove,
OH Lawrence Co. United States |
SR 243 (Marion Pike) / US 52 WB Ramps (38.50099, -82.64949) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2025 | Raindrop shaped. https://irontontribune.com/2024/12/26/coal-grove-ramps-open-again-project-to-resume-in-spring/ |
|
Coal Grove,
OH Lawrence Co. United States |
SR 243 (Marion Pike) / US 52 EB Ramps (38.50022, -82.65130) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2025 | https://irontontribune.com/2024/12/26/coal-grove-ramps-open-again-project-to-resume-in-spring/. |
|
(unincorporated),
NC Rowan Co. United States |
Old Salisbury-Concord Rd. / Irish Potato Rd. (35.50306, -80.54390) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | On border between Cabarrus County and Rowan County. https://www.kannapolisnc.gov/news/ID/30/Cabarrus-County-Roundabout-Construction-Starts-Next-Week. |
|
Toms River,
NJ Ocean Co. United States |
W College Dr. / N College Dr. (40.00760, -74.17067) |
Rotary Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 88.3920 |
Other (At-Grade) Single-Lane |
Elliptical shaped. ICD = 290 ft x 250 ft. | |
|
Brick,
NJ Ocean Co. United States |
Acapulco Dr. / W Briarcliff Dr. / E Briarcliff Dr. (40.04476, -74.09687) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Trenton,
NJ Mercer Co. United States |
Newtown Blvd. / Lake Dr. (40.22339, -74.62862) |
Other Existing |
One-Way/Two-Way Stop Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Westampton,
NJ Burlington Co. United States |
Irick Rd. / (unknown) (40.03028, -74.82283) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2025 | |
|
Cinnaminson,
NJ Burlington Co. United States |
Harbor Blvd. / Camelot Ct. (40.01780, -75.00059) |
Unknown Existing |
Unknown Unknown |
3 Approaches 0 Driveways 39.9998 |
Other (At-Grade) Single-Lane |
||
|
Cinnaminson,
NJ Burlington Co. United States |
Harbor Blvd. / Nathan Dr. (40.01933, -75.00208) |
Unknown Existing |
Unknown Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
||
|
Palmyra,
NJ Burlington Co. United States |
Harbour Dr. / Riverfront Dr. / Lakeside Dr. (40.00910, -75.03418) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 70.1040 |
Other (At-Grade) Single-Lane |
||
|
Moorestown,
NJ Burlington Co. United States |
Laurel Creek Blvd. / Oakmont Dr. (39.99317, -74.90294) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Moorestown,
NJ Burlington Co. United States |
Hazeltime Circle: Sarazen Dr. / Tournament Dr. (39.98666, -74.89670) |
Other Existing |
Unknown Unknown |
3 Approaches 10 Driveways 70.1040 |
Other (At-Grade) Single-Lane |
Pedestrian access to central island. No splitter islands. | |
|
Moorestown,
NJ Burlington Co. United States |
Laurel Creek Blvd. / Troon Ct. (39.99753, -74.89022) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Delanco,
NJ Burlington Co. United States |
Newtons Landing Blvd. / Russ Farm Way / Pennington Ct. (40.04379, -74.94370) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on two legs. | |
|
Bridgeboro,
NJ Burlington Co. United States |
Russ Farm Way / Shipps Way (40.04530, -74.94627) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 47.9999 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
|
Sicklerville,
NJ Camden Co. United States |
Jefferson Dr. / Wilson Dr. (39.78690, -75.04044) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2010-2011). |
|
Rochester,
MN Olmsted Co. United States |
1st Ave. SE / 6th St. SE (44.01687, -92.46105) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 32.0037 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | Compact roundabout serves as the turnaround for the bus rapid transit route, with one-way eastbound and westbound grade separated cycle tracks on the north and south legs. |
|
Charleston,
SC Berkeley Co. United States |
Island Park Dr. / Fairbanks Dr. (32.86747, -79.90146) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |
|
Charleston,
SC Berkeley Co. United States |
Island Park Dr. / Robert Daniel Dr. (32.86967, -79.90304) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
1999 | Yield signs placed in central island; no signs on right side of entry. Elliptical shaped. ICD = 200 ft x 165 ft. Year Completed estimated (1996-2002). |
|
Charleston,
SC Berkeley Co. United States |
Island Park Dr. / Ithecaw Creek St. (32.88205, -79.89531) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5277 |
Other (At-Grade) Single-Lane |
2007 | No splitter islands on 2 legs. |
|
Auburn,
CA Placer Co. United States |
SR 49 (Grass Valley Hwy.) / Florence Ln. / Lorenson Rd. (38.97820, -121.10831) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.facebook.com/CaltransDistrict3/videos/state-route-49-has-a-new-roundabout-at-florence-lnlorenson-rd-be-mindful-of-the-/1272931464323547/ |
|
Auburn,
CA Placer Co. United States |
SR 49 (Grass Valley Hwy.) / Lone Star Rd. (38.99650, -121.10907) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | |
|
Mendota,
CA Fresno Co. United States |
SR 33 (Derrick St.) / SR 180 (Oller St.) (36.76037, -120.38644) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2025 | Northeast leg stubbed. |
|
Mobile,
AL Mobile Co. United States |
McGregor Ave. S / Dauphin St. / Wimbledon Dr. (30.68570, -88.14859) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | Elliptical shaped. ICD = 180 ft x 140 ft. https://www.youtube.com/watch?v=3vxsxPC0wOM |
|
Seattle,
WA King Co. United States |
SR 523 (NE 145th St.) / I-5 SB Ramps (47.73411, -122.32590) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 41.1480 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2025 | Yield-controlled right-turn bypass lane on north leg. On the border between Shoreline and Seattle. https://engage.shorelinewa.gov/145corridor |
|
West Hartford,
CT Capitol United States |
King Philip Dr. / Old Meadow Rd. (41.79822, -72.74586) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | |
|
Pomona,
CA Los Angeles Co. United States |
E Franklin Ave. / San Antonio Ave. (34.04086, -117.73643) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2025 | https://la.streetsblog.org/2025/11/04/pomona-is-becoming-bike-friendly. |
|
Pomona,
CA Los Angeles Co. United States |
S Park Ave. / W 9th St. (34.05137, -117.75427) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2025 | https://la.streetsblog.org/2025/11/04/pomona-is-becoming-bike-friendly. |
|
Pomona,
CA Los Angeles Co. United States |
W 9th St. / S Hamilton Blvd. (34.05116, -117.76303) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2025 | https://la.streetsblog.org/2025/11/04/pomona-is-becoming-bike-friendly. |
|
Mount Pleasant Township,
PA Westmoreland Co. United States |
SR 981 / SR 2021 (Mt. Pleasant Rd.) / Hecla Rd. (40.20248, -79.49697) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
2024 | |
|
(uninc),
SC Lexington Co. United States |
US 21-US 176 / Old Wire Rd. (33.88656, -81.05126) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2026 | Open to traffic in October 2025; completion in 2026. https://www.wltx.com/article/traffic/scdot-roundabout-transition-old-wire-road-us21-oct13/101-d3255f3c-6773-4829-bf6a-f096a104b2c2. |
|
Huntsville,
UT Weber Co. United States |
E 100 S / S 7800 E (41.26231, -111.76145) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2025 | https://udotinput.utah.gov/huntsvilleroundabout |
|
Cedar City,
UT Iron Co. United States |
University Blvd. (W Center St.) / N 1150 W (37.67703, -113.07770) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | At Southern Utah University campus. https://www.stgeorgeutah.com/news/officials-suu-students-celebrate-new-roundabout-on-corner-of-campus-in-cedar-city/article_7041f280-27e1-4057-8a16-dfd2de8fc846.html |
|
Chillicothe,
OH Ross Co. United States |
Stewart Rd. / River Trace / (parking) (39.34567, -82.97469) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.sciotopost.com/new-roundabout-opens-off-north-bridge-street-shopping-plaza-easing-access-to-ross-county-drivers/. |
|
Coshocton,
OH Coshocton Co. United States |
CR 1A / CR 496 / Bridge St. (40.27969, -81.87129) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | |
|
New Lenox,
IL Will Co. United States |
W Haven Ave. / S Cedar Rd. / E Haven Ave. / N Cedar Rd. (41.51225, -87.96606) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Single-Lane |
2025 | Elliptical shaped. ICD = 170 ft x 130 ft. Replaced two T-intersections. One had two stop signs, the other a stop and a yield. |
|
Des Moines,
IA Polk Co. United States |
E Army Post Rd. / SE 36th St. (41.52582, -93.54389) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2025 | |
|
Corinth,
TX Denton Co. United States |
Lake Sharon Dr. / Parkridge Dr. (33.14342, -97.06615) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2023 | |
|
Leawood,
KS Johnson Co. United States |
Tomahawk Creek Pkwy. / Town Center Dr. (38.91644, -94.63404) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 59.4360 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.leawood.org/522/Tomahawk-Creek-Parkway-Project. |
|
Prince Rupert,
BC Skeena-Queen Charlotte Canada |
Hwy 16 / McBride St. / 2nd Ave. (54.31566, -130.32203) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 52.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Double left turn on southeast leg. Right-turn-only lane on southwest leg. https://www.cfnrfm.ca/2025/10/31/new-roundabout-opens-at-prince-ruperts-downtown-gateway/. |
|
Prince Albert,
SK Division 15 Canada |
7th Ave. E / (unknown) (53.17601, -105.73273) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
2024 | |
|
District of Saanich,
BC Capital Canada |
Cadboro Bay Rd. / Sinclair Rd. (48.46101, -123.29760) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | https://www.facebook.com/Saanich.BC/posts/the-mini-roundabout-at-cadboro-bay-road-and-sinclair-road-is-now-open-and-while-/1172058321616318/ |
|
Delta,
BC Greater Vancouver Canada |
Ladner Trunk Rd. / 80 St. / Hwy 99 EB Ramps (49.08972, -123.00293) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2025 | |
|
Salamanca,
NY Cattaraugus Co. United States |
SR 417 (Broad St.) / Iroquois Dr. / Messenger St. (42.15851, -78.73651) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2025 | https://www.oleantimesherald.com/2025/08/21/salamanca-roundabout-project-nearing-completion/. |
|
Kushiro City,
Hokkaido Japan |
National Rte. 391 / Pref Rte. 25 / Pref Rte. 113 / lrifunerinko dori Ave. (42.98003, 144.38584) |
Other Existing |
One-Way/Two-Way Stop None |
5 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Circulating traffic yields to entering traffic. | |
|
Damariscotta,
ME Lincoln Co. United States |
US 1 / Belvedere Rd. (44.04806, -69.50647) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/photo/?fbid=1241515414678643&set=a.221832433313618 |
|
Saratoga Springs,
NY Saratoga Co. United States |
SR 29 (Washington St.) / Rowland St. / Petrified Sea Gardens Rd. (43.07550, -73.84783) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.linkedin.com/posts/nysdot_meet-nysdots-newest-roundabout-a-project-activity-7404535842704293888-26Zh |
|
Stamford,
CT Fairfield United States |
Greenwich Ave. / Davenport St. / Waterside Pl. / Pulaski St. (41.04409, -73.54613) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
Greenwich Ave. is two-way on north leg and one-way exit on west leg. Davenport St. is one-way entrance with left-turn-only lane on west leg. https://www.youtube.com/watch?v=Rw85VG_Bpq0. | |
|
Thunder Bay,
ON Thunder Bay Canada |
Cumberland St. N / Water St. / Marina Park Overpass / McVicar St. (48.43930, -89.21442) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Elliptical shaped. ICD = 53 m x 45 m. Rumble strips between lanes. https://www.youtube.com/watch?v=rMjcSZWhUXU |
|
Cambridge,
ON Waterloo Canada |
Hwy 24 (Hespeler Rd.) / Hwy 38 (Maple Grove Rd.) / Fisher Mills Rd (43.43494, -80.32763) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | https://www.facebook.com/RegionWaterloo/videos/rowconstruction-phase-1-of-our-maple-grove-road-improvements-is-now-complete-thi/718693177527986/ |
|
Alma,
QC Lac-Saint-Jean-Est Regional County Municipality Canada |
Boulevard Auger E / Rte du Lac E (48.51522, -71.61470) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.youtube.com/watch?v=rit-LdDmOI0 |
|
Columbia,
TN Maury Co. United States |
S Main St. / W 8th St. / E 8th St. (35.61349, -87.03407) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 25.9080 |
Other (At-Grade) Single-Lane |
2025 | A statue of Thurgood Marshall has been erected in the central island. https://www.facebook.com/CityofColumbiaTN/videos/see-you-around-the-roundaboutthe-city-of-columbia-has-completed-construction-of-/2967828143398999/. https://www.facebook.com/margaret.ziegler/videos/a-new-statue-honoring-thurgood-marshall-now-stands-proudly-in-columbia-tn-unveil/1191676799450304/. |
|
Pocatello,
ID Bannock Co. United States |
E Briscoe Rd. / Park Lawn Dr. / Industry Way (42.93238, -112.46389) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2025 | Year Completed estimated (2024-2025). |
|
Charlestown,
IN Clark Co. United States |
CR 403 / Stacy Rd. (38.42635, -85.71956) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | |
|
Moseley,
VA Chesterfield Co. United States |
Otterdale Rd. / Westerleigh Pkwy. (37.43012, -77.71944) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | https://www.chesterfield.gov/CivicAlerts.aspx?AID=4409. |
|
Sorrento,
LA St. James Par. United States |
LA 70 / LA 3125 (30.10762, -90.87373) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | |
|
Saint John,
NB Saint John Canada |
Sandy Point Rd. / Foster Thurston Rd. / (unknown) (45.32177, -66.06879) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways |
Other (At-Grade) Unknown |
2025 | https://saintjohn.ca/en/news-and-notices/new-roundabout-now-open-sandy-point-road-and-foster-thurston-drive. |
|
(unincorporated),
AZ Greenlee Co. United States |
US 191 / SR 75 / SR 78 (32.94839, -109.22998) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2025 | Merging right-turn bypass lane on north leg. https://www.facebook.com/gilaherald/posts/the-arizona-department-of-transportation-has-completed-a-modern-roundabout-that-/1390191276441232/. |
|
Albuquerque,
NM Bernalillo Co. United States |
Mountain Rd. NW / 19th St. NW (35.09814, -106.66717) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.instagram.com/p/DPfMs6dETmU/ |
|
Willingshausen,
Hesse Schwalm-Eder-Kreis Germany |
B254-B454 / B254 / B454 (50.90037, 9.27451) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
Erfurt,
Thuringia Erfurt Germany |
Werner-Seelenbinder Straße / Carl-Spier Straße / Arndtstraße / Arnstädter Hohle (50.95768, 11.03485) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.0000 |
Other (At-Grade) Single-Lane |
2024 | Year Completed estimated (2022-2025). |
|
Henderson,
KY Henderson Co. United States |
US 60 / I-69 SB Ramps (37.86350, -87.52650) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2025 | Raindrop shaped. https://www.facebook.com/I69ORX/posts/the-new-us-60-interchange-is-complete-the-new-roadway-ky-3690-connects-the-new-u/1432749818853593/. |
|
Erfurt,
Thuringia Erfurt Germany |
K56 (Demminer Straße) / Dubliner Straße / (parking) (51.01320, 10.98764) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 22.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | Year Completed estimated (2018-2020). |
|
Columbus,
IN Bartholomew Co. United States |
Rosemont Dr. / CR 200 W (39.23964, -85.95025) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2019-2022). |
|
Columbus,
IN Bartholomew Co. United States |
W Lowell Rd. / CR 200 W (39.24456, -85.95057) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2024 | https://www.therepublic.com/2025/11/28/city-marks-official-completion-of-lowell-road-project/ |
|
Indian Trail,
NC Union Co. United States |
Lawyers R.d W / Indian Trail-Fairview Rd. (35.11025, -80.56789) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | Skewed intersection. |
|
Indian Trail,
NC Union Co. United States |
Lawyers Rd. / Rocky River Rd. N / Goose Creek Farm Ln. (35.11525, -80.58584) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | Rocky River Rd realigned about 300 feet SE. |
|
Mocksville,
NC Davie Co. United States |
US 158 / Farmington Rd. (35.95224, -80.52935) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2024 | https://www.daviecountync.gov/CivicAlerts.aspx?AID=1468&ARC=2156 |
|
Farmington,
NC Davie Co. United States |
Farmington Rd. / I-40 WB Ramps (35.95766, -80.53279) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.ncdot.gov/news/press-releases/Pages/2023/2023-08-02-davie-county-roundabout.aspx |
|
Chaska,
MN Carver Co. United States |
Engler Blvd. (CR 10) / Skyview Dr. / Park Ridge Dr. (44.80520, -93.59677) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Turbo roundabout. Depressed lane dividers. |
|
Brookhaven,
GA DeKalb Co. United States |
Colonial Dr. NE / Oglethorpe Ave. NE (33.85413, -84.34290) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 2 Driveways 19.8120 |
Other (At-Grade) Single-Lane |
2018 | |
|
Baraboo,
WI Sauk Co. United States |
US 12 / N Reedsburg Rd. / CTH BD (43.53241, -89.77782) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2024 | |
|
Sacramento,
CA Sacramento Co. United States |
Expo Pkwy. / (parking) (38.59780, -121.45155) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4317 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | Access to fuel station. |
|
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. |
|
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. |
|
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). |
|
Greenwich,
CT Fairfield Co. United States |
King St. / Rye Lake Ave. (41.07508, -73.70280) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2006 | Temporary roundabout installed May 12, 2004. Functional Class: Local. |
|
Chesterfield,
MO St. Louis Co. United States |
Schoettler Valley Dr. / Highcroft Dr. (38.64415, -90.55331) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 17.7235 |
Other (At-Grade) Single-Lane |
1999 | Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework. |
|
Claremont,
CA Los Angeles Co. United States |
Indian Hill Blvd. / Bonita St. (34.09662, -117.71930) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2000 | Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3) |
|
Woodland,
CA Yolo Co. United States |
Gum Ave. / Bourn Dr. (38.66820, -121.74710) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 64.3428 |
Other (At-Grade) Single-Lane |
2008 | Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
Amelia Island,
FL Nassau Co. United States |
Beach Walker Rd. / Beachwood Rd. (30.55425, -81.44608) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2012 | Roundabout completed before 1999, removed 2011-2013. |
|
Advance,
NC Davie Co. United States |
NC 801 / I-40 EB Ramps (36.00655, -80.44083) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 17.3907 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
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 |
|
Columbia,
MO Boone Co. United States |
Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd. (38.96655, -92.35241) |
Roundabout Removed |
All-Way Yield Unknown |
5 Approaches 0 Driveways 94.7178 |
Freeway Ramps (Grade-Separated) Single-Lane |
1996 | First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework. |
|
East Lansing,
MI Ingham Co. United States |
Wilson Rd. / Red Cedar Rd. (42.72324, -84.48238) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 23.6898 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
|
East Lansing,
MI Ingham Co. United States |
Bogue St. / Wilson Rd. (42.72326, -84.47186) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 36.8508 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
|
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. | |
|
Fort Collins,
CO Larimer Co. United States |
Silverwood Dr. / Centennial Rd. (40.54545, -105.05120) |
Traffic Calming Circle Removed |
All-Way Yield None |
4 Approaches 0 Driveways 31.7646 |
Other (At-Grade) Single-Lane |
Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework. | |
|
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 NB Ramps (39.15573, -76.74459) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 26.8575 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. Replaced with DDI |
|
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 SB Ramps (39.15677, -76.74617) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 66.6796 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. Replaced with DDI. |
|
Provo,
UT Utah Co. United States |
Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods) (40.29899, -111.65785) |
Other Removed |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2010 | Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall. |
|
Colorado Springs,
CO El Paso Co. United States |
(parking lot #1) (39.01388, -104.81080) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 21.3437 |
Other (At-Grade) Single-Lane |
2013 | Originally built 2004. Removal date estimated (2011-2015). ICD estimated from Google Maps linework. |
|
Edmonton,
AB Edmonton Capital Region Canada |
Connors Rd. NW / 85th St. NW / 83rd St. NW / 90th Ave. NW (53.52501, -113.45750) |
Rotary Removed |
Unknown Unknown |
5 Approaches 0 Driveways 25.5598 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/ |
|
Abbotsford,
BC Fraser Valley Regional District Canada |
Mt Lehman Rd. / Old Yale Rd. / Hwy 1 WB Entrance Ramp (49.05889, -122.38131) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 44.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2022 | Roundabout (multilane, 2x2) constructed 2006 to replace a two-way stop intersection. Roundabout replaced with traffic signal in 2022. |
|
Altoona,
IA Polk Co. United States |
10th Ave. SE / 15th St. SE (41.63733, -93.45121) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-Lane |
2024 | No splitter islands. Opened December 16, 2005. Circle replaced with a 4-way stop in 2024. https://www.altoona-iowa.com/news_detail_T2_R153.php |
|
Olathe,
KS Johnson Co. United States |
Indian Wells Dr. / Spruce St. (38.88568, -94.85022) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 44.6239 |
Other (At-Grade) Single-Lane |
2002 | Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework. |