|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Ironton,
OH Lawrence Co. United States |
SR 93 (Park Dr.) / US 52 WB Ramps (38.53950, -82.67593) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.facebook.com/photo.php?fbid=611157614528583&id=100069030495739&set=a.176172631360419 |
|
Findlay,
OH Hancock Co. United States |
US 68 / SR 15 EB Ramps / CR 80 (40.98862, -83.65067) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | New exit ramp from SR 15 coming in from the east. Former exit ramp from SR 15 (from the west) is now connected to County Road 80. https://wfin.com/local-news/opening-of-new-findlay-roundabout-pushed-back-a-few-days/ . |
|
San Juan,
San Juan Oriente Barrio Puerto Rico |
Calle A (Marginal Rd.) / Hwy 17 EB Entrance Ramp (18.40897, -66.02947) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 44.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2014 | Concentric striped circulatory roadway. |
|
Northfield,
MN Rice Co. United States |
Lonsdale Blvd. W (SR 19 / CR 46) / I-35 NB Ramps / Anoka Ave. / Hazelwood Ave. (44.47181, -93.29085) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Combines a 4-way intersection with a freeway interchange ramp terminal intersection. https://www.ricecountymn.gov/CivicAlerts.aspx?AID=969 |
|
New Castle,
DE New Castle Co. United States |
Airport Rd. / I-95 NB Exit Ramp (39.69593, -75.61570) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | https://www.facebook.com/FirstStateUpdate1/photos/-i-95-offramp-to-airport-road-has-re-opened-after-new-roundabout-installed-/1135316878598748/?_rdr |
|
Oak Level Township,
NC Nash Co. United States |
N Old Carriage Rd. / US 64 EB Ramps (35.98033, -77.89689) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.rockymounttelegram.com/news/local/detour-ahead-on-us-64-former-north-old-carriage-bridge-to-be-demolished/article_81fd3eee-0756-11ef-8d51-4f49a3f92086.html |
|
Oak Level Township,
NC Nash Co. United States |
N Old Carriage Rd. / US 64 WB Ramps (35.98205, -77.89806) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.rockymounttelegram.com/news/local/detour-ahead-on-us-64-former-north-old-carriage-bridge-to-be-demolished/article_81fd3eee-0756-11ef-8d51-4f49a3f92086.html |
|
Oak Level Township,
NC Nash Co. United States |
Sunset Ave. / I-95 SB Ramps / Freight Rd. (35.96924, -77.88406) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.rockymounttelegram.com/news/local/sunset-avenue-upgrade-project-in-final-months-of-work/article_3236f4cc-66ce-11ef-ad06-df36fba02b65.html. |
|
Oak Level Township,
NC Nash Co. United States |
Sunset Ave. / I-95 NB Ramps (35.96838, -77.88020) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.rockymounttelegram.com/news/local/sunset-avenue-upgrade-project-in-final-months-of-work/article_3236f4cc-66ce-11ef-ad06-df36fba02b65.html. |
|
Wentzville,
MO St. Charles Co. United States |
Veterans Memorial Pkwy. / I-70 EB Ramps / Ruggeri Rd. (38.80935, -90.87713) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Year Completed estimated (2023-2024). |
|
Green Oak Township,
MI Livingston Co. United States |
Whitmore Lake Rd. / Silver Lake Rd. / US 23 SB Ramps (42.46683, -83.75719) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 1 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | |
|
Lodi,
WI Columbia Co. United States |
STH 60 / I-90 WB Ramps (43.33575, -89.45242) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Placed PARCLO B interchange ramps with diamond ramps. https://x.com/WisconsinDOT/status/1811030212756357174. |
|
Lodi,
WI Columbia Co. United States |
STH 60 / I-90 EB Ramps (43.33478, -89.45497) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Placed PARCLO B interchange ramps with diamond ramps. https://x.com/WisconsinDOT/status/1811030212756357174 |
|
New Iberia,
LA Iberia Par. United States |
LA 88 (Coteau Rd.) / US 90 WB Ramps (30.05086, -91.92829) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2440 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | Left-turn-only lane on west leg; merging right-turn bypass lane on east leg; right-turn-only lane on south leg. https://www.katc.com/news/construction-of-roundabouts-continues-in-iberia-parish |
|
New Iberia,
LA Iberia Par. United States |
LA 88 (Coteau Rd.) / US 90 EB Ramps (30.05083, -91.92975) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2440 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | Left-turn-only lane on east leg; merging right-turn bypass lane on west leg; right-turn-only lane on north leg. https://www.katc.com/news/construction-of-roundabouts-continues-in-iberia-parish |
|
New Ulm,
MN Nicollet Co. United States |
CSAH 37 / US 14 WB Ramps (44.30186, -94.42165) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Raindrop shaped. Year Completed estimated (2021-2024). |
|
New Ulm,
MN Nicollet Co. United States |
CSAH 37 / US 14 EB Ramps (44.30098, -94.42365) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Raindrop shaped. Year Completed estimated (2021-2024). |
|
Winnipeg,
MB Division 11 Canada |
St Marys Rd. / Perimeter Hwy. WB Ramps (49.79669, -97.11296) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | |
|
Winnipeg,
MB Division 11 Canada |
St Marys Rd. / Perimeter Hwy. EB Ramps (49.79151, -97.10948) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | |
|
Napa,
CA Napa Co. United States |
Soscol Ferry Rd. / SR 221 / SR 12 EB Ramps (38.24117, -122.26975) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2440 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction |
|
Napa,
CA Napa Co. United States |
SR 221 (Napa Vallejo Hwy.) / SR 12 WB Entrance Ramp (38.24207, -122.26930) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 44.1960 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/soscol-junction |
|
Evergreen,
CO Clear Creek Co. United States |
US 40 / Homestead Rd. / I-70 WB Entrance Ramp (39.72195, -105.40944) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Through bypass lane on east leg. Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects. |
|
(unincorporated),
CO Jefferson Co. United States |
US 40 / CR 65 / I-70 WB Exit Ramp (39.71621, -105.39166) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects. |
|
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/ |
|
Lake Park,
GA Lowndes Co. United States |
Lake Park Bellville Rd. / I-75 NB Ramps (30.64409, -83.18847) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Unknown |
2022 | https://wfxl.com/news/local/traffic-pattern-change-expected-in-lowndes-county-on-i-75-exit-2 |
|
Lake Park,
GA Lowndes Co. United States |
Lake Park Bellville Rd. / I-75 SB Ramps (30.64297, -83.18993) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | https://wfxl.com/news/local/traffic-pattern-change-expected-in-lowndes-county-on-i-75-exit-2 |
|
Hemel Hempstead,
England Herts United Kingdom |
A4251 (London Rd.) / A41 EB Ramps (51.74489, -0.51312) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
||
|
Hemel Hempstead,
England Herts United Kingdom |
A414 (Two Waters Way) / A41 EB Ramps (51.73648, -0.47996) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
Raindrop shaped. | |
|
Hemel Hempstead,
England Herts United Kingdom |
A414 (Two Waters Way) / A41 WB Ramps (51.73616, -0.48168) |
Roundabout Existing |
All-Way Yield Unknown |
2 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
Raindrop shaped. | |
|
Hemel Hempstead,
England Herts United Kingdom |
A4251 (London Rd.) / A41 WB Ramps (51.74372, -0.51106) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
||
|
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 | |
|
Shelby,
NC Cleveland Co. United States |
NC-150 (Cherryville Rd.) / Shelby Bypass EB Ramps (35.31324, -81.49081) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | Year Completed estimated (2022-2024). |
|
Shelby,
NC Cleveland Co. United States |
NC-150 (Cherryville Rd.) / Shelby Bypass WB Ramps (35.31432, -81.48908) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | Year Completed estimated (2022-2024). |
|
Arlington,
VA Arlington Co. United States |
Boundary Channel Dr. / I-395 SB Ramps (38.87067, -77.04839) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/ |
|
Arlington,
VA Arlington Co. United States |
Boundary Channel Dr. / Jefferson Davis Hwy. / I-395 NB Ramps (38.86975, -77.04548) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/ |
|
Amherst,
NY Erie Co. United States |
John James Audubon Pkwy. / I-990 WB Ramps / Alamosa Way (43.02618, -78.78262) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | |
|
Sollefteå,
Västernorrland County Sollefteå Municipality Sweden |
Rte 90 (Cpl Hågesta) WB Ramps / Söderleden / Gösta Frohms Backe / Bataljonsvägen (63.16040, 17.28886) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 44.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Elliptical shaped. ICD = 44 m x 35 m. Year Completed estimated (2016-2019). |
|
Bay City,
MI Bay Co. United States |
MacKinaw Rd. / US 10 WB Ramps (43.59677, -83.99239) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | |
|
Bay City,
MI Bay Co. United States |
MacKinaw Rd. / US 10 EB Ramps (43.59527, -83.99235) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | |
|
Hamilton,
ON Hamilton Canada |
Hwy 52 / Hwy 403 WB Ramps (43.20276, -80.04528) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Year Completed estimated (2021-2025). |
|
Hamilton,
ON Hamilton Canada |
Hwy 52 / Hwy 430 EB Ramps (43.19974, -80.04435) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Year Completed estimated (2021-2025). |
|
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 |
|
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 |
|
La Salle,
CO Weld Co. United States |
CR 44 / US 85 SB Ramps (40.30821, -104.74948) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 53.3400 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | https://www.9news.com/article/traffic/us-85-colorado-new-interchange/73-2b7e4e5d-a889-4452-8d39-477c814991d0 |
|
Castle Rock,
CO Douglas Co. United States |
Crystal Valley Pkwy. / S Wilcox St. / E Frontage Rd. / I-25 NB Exit Ramp (39.33865, -104.87343) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
5 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.crgov.com/3131/Crystal-Valley-Interchange. Partially open in November 2024. |
|
Richmond,
VA Richmond City United States |
Maury St. / E 4th St. / I-95 Ramps (37.52145, -77.43415) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 50.2920 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | E 4th St. is one-way into roundabout on northwest leg. |
|
Sanford,
FL Seminole County United States |
SR 46 / Longwood Markham Rd. / SR 46-SR 429 Ramps (28.81487, -81.40566) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 64.0080 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2021 | |
|
South Charleston,
WV Kanawha County United States |
Kanawha Turnpike / SR 601 (Jefferson Rd.) Ramps (38.35435, -81.71172) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2025 | https://www.youtube.com/watch?v=yTdSPHjvFrA |
|
Wade,
NC Cumberland Co. United States |
Wade-Stedman Rd. / I-95 NB Ramps (35.15849, -78.71481) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Year Completed estimated (2022-2023). |
|
Wade,
NC Cumberland Co. United States |
Wade-Stedman Rd. / I-95 SB Ramps (35.15945, -78.71772) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | Year Completed estimated (2022-2023). |