City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
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 |
2023 | Year Completed estimated (2023-2025). |