|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Cape Breton,
NS Cape Breton Canada |
Rte 4 (Kings Rd.) / Kenwood Dr. / Rose St. (46.11226, -60.21703) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.saltwire.com/cape-breton/in-photo-new-cape-breton-roundabout-in-sydney-river-fully-open-to-motorists |
|
Valdosta,
GA Lowndes Co. United States |
SR 31 (Madison Hwy.) / I-75 NB Ramps (30.75206, -83.27321) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Unknown |
2025 | https://valdostatoday.com/news-2/local/2025/02/lowndes-i75-exit-11-traffic-to-begin-using-roundabouts/ |
|
Valdosta,
GA Lowndes Co. United States |
SR 31 (Madison Hwy.) / I-75 SB Ramps (30.75023, -83.27416) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Unknown |
2025 | https://valdostatoday.com/news-2/local/2025/02/lowndes-i75-exit-11-traffic-to-begin-using-roundabouts/ |
|
Noblesville,
IN Hamilton Co. United States |
Innovation Blvd. / E 141st St. / Batterson Dr. (39.99487, -85.91033) |
Roundabout Unknown |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Eastern entrance to Noblesville Event Center. |
|
Atlanta,
GA DeKalb Co. United States |
Maynard Terrace SE / McPherson Ave. / I-20 EB Exit Ramp (33.74396, -84.33482) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2025 | |
|
Waynesboro,
GA Burke Co. United States |
GA 24-GA 80 / GA 56 / Lovers Ln. (33.08492, -82.03795) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.youtube.com/watch?v=_HsuxBbR5ds |
|
Brandenton,
FL Manatee Co. United States |
SR 64 / Lorraine Rd. / 145th St. E (27.47548, -82.39557) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.mysuncoast.com/2025/04/02/state-road-64-lorraine-road-roundabout-opens-early/ |
|
Cottonwood,
AZ Yavapai Co. United States |
N Main St. / N 10th St. (34.74422, -112.01633) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Replaced offset T intersections. https://www.verdenews.com/news/main-street-roundabout-newest-addition-in-cottonwoods-148-lane-miles-of-streets/article_752e0b29-40ee-4ba4-8d37-f119acec45b8.html |
|
Bellingham,
WA Whatcom Co. United States |
W Illinois St. / Meridian St. (48.76817, -122.48609) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | https://cob.org/project/west-illinois-multimodal |
|
Byron,
GA Peach Co. United States |
Centerville Rd. / Housers Mill Rd. (32.60929, -83.74792) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Replaced two offset T-intersections. |
|
Frisco,
TX Collin Co. United States |
Everwell Ln. / Durant Ln. (33.19927, -96.82178) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1856 |
Other (At-Grade) Single-Lane |
2025 | |
|
Frisco,
TX Collin Co. United States |
Everwell Ln. / Forbes Dr. (33.19643, -96.82593) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1856 |
Other (At-Grade) Single-Lane |
2025 | |
|
Semmes,
AL Mobile Co. United States |
Howells Ferry Rd. / Firetower Rd. (30.73919, -88.25987) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/WKRG.News.5/posts/construction-of-a-new-roundabout-at-the-intersection-of-howells-ferry-road-and-f/1089934906506602/ |
|
(unincorporated),
GA Newton Co. United States |
GA 212 / GA 162 (33.46482, -83.90782) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.youtube.com/watch?v=tNxG06uRLL4 |
|
(unincorporated),
TX Fort Bend Co. United States |
Bissonnet St. / Trillium Glade Dr. (29.67321, -95.70169) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2025 | |
|
Flagstaff,
AZ Coconino Co. United States |
S Beulah Blvd. / W University Ave. / W University Dr. (35.18368, -111.66341) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.beulahuniversityproject.com/ |
|
McCalla,
AL Jefferson Co. United States |
4th Ave. SW (Old Tuscaloosa Hwy.) / Lowetown Rd. (33.29639, -87.06038) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 76.2000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | Turbo roundabout. https://www.wbrc.com/2025/02/05/jefferson-county-welcomes-nations-3rd-turbo-roundabout/ |
|
Hurricane,
UT Washington Co. United States |
S Sand Hollow Rd. / Gateway Blvd. (37.16339, -113.37305) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 82.2960 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | Add-lane right-turn bypass lane on north leg. Merging right-turn bypass lane on west leg. |
|
Joplin,
MO Jasper Co. United States |
E Zora St. / Hall St. / Duquesne Rd. (37.11261, -94.45761) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/JoplinNewsFirst/videos/koamtrafficalert-roundabout-opens-at-zoraduquesnehall-to-all-traffic/1644473069823426/ |
|
Noblesville,
IN Hamilton Co. United States |
Allisonville Rd. / E 146th St. Ramps (40.00038, -86.01932) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2025 | Grade separated interchange with roundabout on the lower level. 146th Street through traffic passes overhead. Roundabout opened to traffic June 9, 2025 while final construction continued in the area. https://hamiltoncounty.in.gov/DocumentCenter/View/17636/146th--Allisonville---Looking-Northwest https://hamiltoncounty.in.gov/DocumentCenter/View/17637/146th--Allisonville---Looking-Southwest https://hamiltoncounty.in.gov/1238/146th-St-Allisonville-Rd-Interchange |
|
Albany,
GA Dougherty Co. United States |
N Westover Blvd. / Capstone Connector (31.62104, -84.21878) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.facebook.com/GDOTSW/videos/here-you-go-albanydougherty-colee-co-the-westover-blvd-roundabout-in-action-were/971035348343443/ |
|
MIdland,
TX Midland Co. United States |
N Garfield St. / W Cuthbert Ave. (32.00234, -102.10148) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Elliptical shaped. ICD = 190 ft x 150 ft. https://www.instagram.com/reel/DKK8XzFS0uo/ |
|
McKinney,
TX Collin Co. United States |
E Virginia St. / N Throckmorton St. (33.19801, -96.60863) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5277 |
Other (At-Grade) Single-Lane |
2025 | |
|
McKinney,
TX Collin Co. United States |
Wilmeth Rd. / Lake Forest Dr. (33.23242, -96.67934) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | |
|
McKinney,
TX Collin Co. United States |
Wilmeth Rd. / Hardin Blvd. (33.23223, -96.65209) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 56.3880 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | |
|
Tulare,
CA Tulare Co. United States |
SR 137 (E Tulare Ave.) / Morrison St. (36.21093, -119.30330) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/100082142657015/posts/ccme-is-in-the-final-stages-of-the-tulare-avestate-hwy-137-roundabout-project-fo/700819749332774/ |
|
Clarkston,
WA Asotin Co. United States |
US 12 (Bridge St.) / Diagonal St. / 2nd St. (46.41994, -117.04045) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Replaced five-legged signalized intersection. https://www.lmtribune.com/local-news/welcome-to-clarkston-19216825 |
|
San Diego,
CA San Diego Co. United States |
Foothill Blvd. / Loring St. (32.80778, -117.24568) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | Oval shaped. ICD = 130 ft x 90 ft. https://www.roadsbridges.com/road-traffic-safety/news/55241846/san-diego-builds-roundabouts-to-improve-safety |
|
Kahalu'u,
HI Honolulu Co. United States |
SR 83 (Kamehameha Hwy.) / SR 83 (Kahekili Hwy.) / SR 830 (Kamehameha Hwy.) (21.45721, -157.83809) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://kahekiliroundabout.com/ |
|
Escondido,
CA San Diego Co. United States |
E Grand Ave. / Kalmia St. (33.12233, -117.08011) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://ols.escondido.org/CivicAlerts.aspx?AID=142 |
|
Lincoln,
NE Lancaster Co. United States |
W A St. / SW 27th St. (40.79924, -96.75897) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2025 | |
|
Gustine,
CA Merced Co. United States |
SR 33-SR 140 / 4th St. (37.25362, -120.99742) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | https://www.westsideconnect.com/news/community-news/gustines-first-roundabout-completed-a-new-chapter-for-the-community/ |
|
Memphis,
TN Shelby Co. United States |
US 70 (W Eh Crump Blvd.) / Riverside Dr / I-55 Ramps / W Alston Ave. (35.12483, -90.06723) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
5 Approaches 0 Driveways 73.1520 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2025 | Replaced three-quadrant cloverleaf interchange. At-grade rail crossing 430 ft to the east. https://www.youtube.com/watch?v=7DjkNBuVjlo |
|
Palmdale,
CA Los Angeles Co. United States |
E Avenue S8 / 40th St. E (34.54990, -118.05834) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2025 | Yield-controlled right-turn bypass lane on south and east legs. https://www.facebook.com/CityofPalmdale/videos/para-espa%C3%B1ol-roundabout-tips-for-a-smoother-rideave-s-8-40th-st-east-is-now-open/3977904792456970/ . |
|
Wilsonville,
OR Clackamas Co. United States |
SW Boeckman Rd. / SW Canyon Creek Rd. (45.31755, -122.75778) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | https://www.wilsonvilleoregon.gov/engineering/page/boeckman-road-corridor-improvements |
|
(unincorporated),
TX Fort Bend Co. United States |
Tamarron Pkwy. / Jordan Ranch Blvd. (29.73263, -95.90115) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2025 | |
|
(unincorporated),
OR Washington Co. United States |
SR 10 (SW Farmington Rd.) / SW River Rd. (45.44878, -122.94764) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2025 | |
|
Senatobia,
MS Tate Co. United States |
US 51 / W Main St. (34.61802, -89.96854) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://mdot.ms.gov/portal/news_release_view/2186 |
|
Noblesville,
IN Hamilton Co. United States |
E 141st St. / Breakthrough Dr. (39.99472, -85.91414) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Located in Noblesville Event Center. https://nobport.cityofnoblesville.org/maps/PublicViewer.html. |
|
Salt Lake City,
UT Salt Lake Co. United States |
E 300 N / N State St. (40.77595, -111.88821) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Unknown Single-Lane |
2025 | In front of Utah State Capitol. https://www.newsbreak.com/fox-13-news-563658/3747729482904-new-capitol-hill-roundabout-gets-thumbs-up-from-neighborhood-residents |