City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
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/ |
Ina,
Gävleborg County Söderhamns kommun Sweden |
Rte 50 / E4 SB Ramps (61.29717, 17.02226) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Freeway Ramps (Grade-Separated) Single-Lane |
Raindrop shaped. Completed in 2009 or earlier. | |
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. | |
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) |
||
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. |
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. |
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). |
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. |
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) |