City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Langley Township,
BC Greater Vancouver Canada |
50 Ave. / 216 St. (49.09306, -122.62466) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8088 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2008-2009). ICD estimated from Google Maps linework. |
Langley Township,
BC Greater Vancouver Canada |
48 Ave. / 216 St. / Old Yale Rd. (49.08942, -122.62474) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 30.0000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2006). |
Portland,
OR Multnomah Co. United States |
NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 16.7290 |
Other (At-Grade) Single-Lane |
1986 | Completed 12/23/1986. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 37th Ave. / Brazee St. (45.54057, -122.62500) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 119.6213 |
Other (At-Grade) Single-Lane |
1987 | Completed 10/16/1987. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 37th Ave. / Thompson St. (45.53904, -122.62500) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 94.5285 |
Other (At-Grade) Single-Lane |
1987 | Completed 11/16/1987. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE Holman St. / NE 37th Ave. (45.56826, -122.62557) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
1988 | Completed 10/28/1988. |
Portland,
OR Multnomah Co. United States |
SE 37th Ave. / SE Lincoln St. (45.50806, -122.62570) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 15.0659 |
Other (At-Grade) Single-Lane |
1990 | Completed 4/25/1990. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 37th Ave. / SE Harrison St. (45.50879, -122.62572) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 80.3506 |
Other (At-Grade) Single-Lane |
1990 | Completed 9/14/1990. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE US Grant Pl. / NE 36th Ave. (45.53777, -122.62601) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 40.1546 |
Other (At-Grade) Single-Lane |
1989 | Completed 10/11/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 36th Ave. / SE Bybee Blvd. (45.47241, -122.62621) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 56.9518 |
Other (At-Grade) Single-Lane |
1992 | Completed 10/6/1992. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 36th Ave. / SE Clinton St. (45.50337, -122.62630) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 40.1792 |
Other (At-Grade) Single-Lane |
1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE Imperial Ave. / NE Multnomah St. (45.53154, -122.62719) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 74.4616 |
Other (At-Grade) Single-Lane |
1987 | Completed 10/22/1987. ICD estimated from Google Maps linework. |
Port Orchard,
WA Kitsap Co. United States |
Mile Hill Dr. (Hwy 166) / Bethel Ave. (47.53467, -122.62730) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.7045 |
Other (At-Grade) Single-Lane |
1998 | Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 34th Ave. / SE Bybee Blvd. (45.47319, -122.62826) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 81.2389 |
Other (At-Grade) Single-Lane |
1992 | Completed 9/30/1992. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE US Grant Pl. / NE 35th Ave. (45.53779, -122.62841) |
Traffic Calming Circle Existing |
Unknown None |
3 Approaches 0 Driveways 14.2214 |
Other (At-Grade) Single-Lane |
1989 | Completed 10/11/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE Holman St. / NE 34th Ave. (45.56826, -122.62965) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 159.6952 |
Other (At-Grade) Single-Lane |
1988 | Completed 10/28/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 34th Ave. / SE Gladstone St. (45.49335, -122.62978) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 61.9539 |
Other (At-Grade) Single-Lane |
1996 | Completed 10/17/1996. ICD estimated from Google Maps linework. |
Anacortes,
WA Skagit Co. United States |
32nd St. / D Ave. (48.49654, -122.63159) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2018 | |
Yelm,
WA Thurston Co. United States |
SR 510 / Mud Run Rd. SE (46.96465, -122.63230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.8630 |
Other (At-Grade) Single-Lane |
2010 | October 2010. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 32nd Ave. / SE Lincoln St. (45.50825, -122.63270) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 12.5549 |
Other (At-Grade) Single-Lane |
1990 | Completed 4/25/1990. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 31st Ave. / SE Clinton St. (45.50354, -122.63360) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 14.2301 |
Other (At-Grade) Single-Lane |
1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. |
Bellingham,
WA Whatcom Co. United States |
Haxton Way / Kwina Rd. (48.79386, -122.63408) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Single-Lane |
2013 | Oblong shape. ICD = 170 ft x 135 ft. Open August 2013. Lummi Indian Reservation. |
Portland,
OR Multnomah Co. United States |
SE 30th Ave. / SE Gladstone St. (45.49337, -122.63466) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 32.6514 |
Other (At-Grade) Single-Lane |
1996 | Completed 10/17/1996. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 30th Ave. / SE Caruthers St. (45.50550, -122.63470) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 78.6812 |
Other (At-Grade) Single-Lane |
1990 | Completed 4/23/1990. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 30th Ave. / SE Grant St. (W) (45.50679, -122.63472) |
Traffic Calming Circle Existing |
Unknown None |
3 Approaches 0 Driveways 14.2293 |
Other (At-Grade) Single-Lane |
1990 | Completed 4/16/1990. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 30th Ave. / SE Grant St. (E) (45.50726, -122.63473) |
Traffic Calming Circle Existing |
Unknown None |
3 Approaches 0 Driveways 109.6480 |
Other (At-Grade) Single-Lane |
1990 | Completed 4/16/1990. ICD estimated from Google Maps linework. |
Langley Township,
BC Greater Vancouver Canada |
77A Ave. / 211 St. (49.14294, -122.63810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2016 | https://www.langleyadvancetimes.com/news/langley-citys-first-roundabout-opens/ |
Portland,
OR Multnomah Co. United States |
SE 27th Ave. / SE Salmon St. (45.51429, -122.63812) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 29.2916 |
Other (At-Grade) Single-Lane |
1982 | Completed 2/16/1982. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 24th Ave. / Brazee St. (45.54050, -122.64110) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
1989 | Completed 10/10/1989. |
Portland,
OR Multnomah Co. United States |
NE 24th Ave. / Thompson St. (45.53896, -122.64110) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 56.8845 |
Other (At-Grade) Single-Lane |
1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 24th Ave. / Tillamook St. (45.53741, -122.64110) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 56.0495 |
Other (At-Grade) Single-Lane |
1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 23rd Ave. / SE Clinton St. (45.50339, -122.64260) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 31.8085 |
Other (At-Grade) Single-Lane |
1990 | Completed 6/22/1990. ICD estimated from Google Maps linework. |
Langley Township,
BC Greater Vancouver Canada |
77A Ave. / 209 St. (49.14310, -122.64273) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.6576 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 21st Ave. / Thompson St. (45.53898, -122.64420) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 34.2980 |
Other (At-Grade) Single-Lane |
1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 21st Ave. / Brazee St. (45.54051, -122.64420) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 86.9974 |
Other (At-Grade) Single-Lane |
1989 | Completed 10/10/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE Ladd Ave. / SE Lavender St. (45.50686, -122.64744) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 24.2734 |
Other (At-Grade) Single-Lane |
1983 | Completed 11/8/1983. ICD estimated from Google Maps linework. |
Langley,
BC Greater Vancouver Canada |
82 Ave. / 207A St. (49.15167, -122.64809) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2022 | https://www.crestonvalleyadvance.ca/trending-now/b-c-drivers-struggle-with-roundabout-in-viral-tiktok/ Video shows some drivers going the wrong way during construction: https://www.facebook.com/CityNewsVAN/videos/traffic-chaos-langley-roundabout-fails-go-viral-on-tiktok/1374442239737644/ |
Langley Township,
BC Greater Vancouver Canada |
84 Ave. / 207A St. (49.15549, -122.64810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.1196 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE Ladd Circle (45.50850, -122.64940) |
Other Existing |
Unknown None |
0 Approaches 0 Driveways 92.0689 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Portland,
OR Multnomah Co. United States |
SE 16th Ave. / SE Ash St. (45.52148, -122.64956) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 22.5935 |
Other (At-Grade) Single-Lane |
1988 | Completed 10/7/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 16th Ave. / SE Salmon St. (45.51435, -122.64961) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
4 Approaches 0 Driveways 15.0642 |
Other (At-Grade) Single-Lane |
1982 | Completed 2/18/1982. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 15th Ave. / SE Oak St. (45.52006, -122.65057) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 23.4309 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/6/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 15th Ave. / SE Alder St. (45.51792, -122.65058) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 15.9001 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/7/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE Ladd Ave. / SE Palm St. (45.51025, -122.65144) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 40.1743 |
Other (At-Grade) Single-Lane |
1993 | Completed 11/8/1993. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 14th Ave. / SE Pine St. (45.52077, -122.65158) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 15.0625 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/12/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 14th Ave. / SE Main St. (45.51365, -122.65165) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 15.9013 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/12/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 14th Ave. / SE Taylor St. (45.51507, -122.65166) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 17.5747 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/12/1988. ICD estimated from Google Maps linework. |
Port Orchard,
WA Kitsap Co. United States |
Tremont St. W / Pottery Ave. (47.52537, -122.65229) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | https://www.youtube.com/watch?v=PctOoSym9oE |
Portland,
OR Multnomah Co. United States |
SE 13th Ave. / SE Salmon St. (45.51434, -122.65264) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
4 Approaches 0 Driveways 17.5750 |
Other (At-Grade) Single-Lane |
1989 | Completed 1/11/1989. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SE 13th Ave. / SE Madison St. (45.51294, -122.65266) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 12.5539 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/8/1988. ICD estimated from Google Maps linework. |
Oak Harbor,
WA Island Co. United States |
SR 20 / Banta Rd. / Northgate Dr. (48.36934, -122.65300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.1501 |
Other (At-Grade) Single-Lane |
2019 | https://www.flickr.com/photos/wsdot/48127337916 ICD estimated from Google Maps linework. |
Petaluma,
CA Sonoma Co. United States |
Corona Rd. / Sonoma Mountain Pkwy. (38.26890, -122.65450) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 31.8812 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Dupont,
WA Thurston Co. United States |
McNeil St. / Marshall Cir. (47.09618, -122.65520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.8311 |
Other (At-Grade) Single-Lane |
2001 | Completed May 2001. ICD estimated from Google Maps linework. |
Petaluma,
CA Sonoma Co. United States |
Magnolia Ave. / Elm Dr. (38.24586, -122.65600) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.6356 |
Other (At-Grade) Single-Lane |
2006 | Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Anacortes,
WA Skagit Co. United States |
Pennsylvania Ave. / W 12th St. (48.49817, -122.65669) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2010 | Built for the purpose of traffic calming near a residential park area. Concrete-asphalt. |
Langley,
BC Greater Vancouver Canada |
82 Ave. / 204 St. (49.15181, -122.65706) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.0000 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2016-2017). |
Port Orchard,
WA Kitsap Co. United States |
Tremont St. W / S Kitsap Blvd. / Canyon Ct. (47.52351, -122.65737) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 40.3258 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Cook St. (45.54717, -122.65859) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 17.5647 |
Other (At-Grade) Single-Lane |
1992 | Completed 1/9/1992. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Graham St. (45.54296, -122.65859) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 161.4401 |
Other (At-Grade) Single-Lane |
1992 | Completed 1/9/1992. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Morris St. (45.54468, -122.65860) |
Traffic Calming Circle Removed |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways 128.8135 |
Other (At-Grade) Single-Lane |
2013 | Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Russell St. (45.54126, -122.65861) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 161.4450 |
Other (At-Grade) Single-Lane |
1992 | Completed 1/9/1992. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Tillamook St. (W) (45.53790, -122.65861) |
Traffic Calming Circle Existing |
Unknown None |
3 Approaches 0 Driveways 83.6552 |
Other (At-Grade) Single-Lane |
1992 | Completed 1/9/1992. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Sacramento St. (45.53955, -122.65862) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 121.2965 |
Other (At-Grade) Single-Lane |
1992 | Completed 1/9/1992. ICD estimated from Google Maps linework. |
Langley City,
BC Greater Vancouver Canada |
203 St. / 53 Ave. (49.09847, -122.65987) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8060 |
Other (At-Grade) Single-Lane |
2016 | https://www.langleyadvancetimes.com/news/langley-citys-first-roundabout-opens/ ICD estimated from Google Maps linework. |
Langley,
BC Greater Vancouver Canada |
202 St. / Trans-Canada Hwy HOV Ramps (49.16182, -122.66008) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.9920 |
Freeway Ramps (Grade-Separated) Single-Lane |
2011 | Roundabout in between and below freeway lanes, serving HOV lanes via left-hand ramps on the freeway. Fourth leg (EB onramp and WB offramp) closed off. Year Completed estimated (2008-2013). ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NE Yacht Harbor Drive (45.60542, -122.66034) |
Other Existing |
All-Way Yield Unknown |
1 Approaches 2 Driveways 25.9020 |
Other (At-Grade) Single-Lane |
2006 | N end of Yacht Harbor Drive, yield entry at south, driveway at west and driveway at east. ICD estimated from Google Maps linework. |
Vancouver,
WA Clark Co. United States |
NE 10th Ave. / NE 136th St. / Clark Ave. (45.71980, -122.66037) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2011 | Clark Ave. is one way exit. May 2011. |
Dupont,
WA Thurston Co. United States |
McNeil St. / Gaul Ave. (47.09734, -122.66080) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.0174 |
Other (At-Grade) Single-Lane |
2001 | Completed May 2001. ICD estimated from Google Maps linework. |
Vancouver,
WA Clark Co. United States |
Fort Vancouver Way. / Evergreen Blvd. (45.62863, -122.66310) |
Other Existing |
All-Way Stop Unknown |
4 Approaches 0 Driveways 40.0897 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Bellingham,
WA Whatcom Co. United States |
Haxton Way / Smokehouse Rd. (48.74689, -122.66383) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.0136 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Petaluma,
CA Sonoma Co. United States |
Windsor Dr. / West Haven Way (38.22460, -122.66430) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.0241 |
Other (At-Grade) Single-Lane |
2005 | Functional Class: Collector ICD estimated from Google Maps linework. |
Langley Township,
BC Greater Vancouver Canada |
100A Ave. / 201 St. (49.18459, -122.66433) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.2257 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2008-2009). ICD estimated from Google Maps linework. |
Anacortes,
WA Skagit Co. United States |
SR 20 (Oakes Ave.) / Glasgow Way / Ship Harbor Blvd. (48.50251, -122.66661) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2020 | https://www.anacorteswa.gov/1172/Ship-Harbor-Boulevard-Roundabout---Compl |
Maple Ridge,
BC Greater Vancouver Canada |
113B Ave. / Golden Ears Way NB Ramps (49.20927, -122.66722) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 31.9904 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Year Completed estimated (2008-2009). ICD estimated from Google Maps linework. |
Pitt Meadows,
BC Greater Vancouver Canada |
Airport Way / 113B Ave. / Golden Ears Way SB Ramps (49.20842, -122.67058) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.9909 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Year Completed estimated (2008-2009). ICD estimated from Google Maps linework. |
Dupont,
WA Thurston Co. United States |
Hoffman Hill Blvd. / Burnside Pl. (47.09605, -122.67150) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.8311 |
Other (At-Grade) Single-Lane |
2004 | Completed January 2004. ICD estimated from Google Maps linework. |
La Center,
WA Clark Co. United States |
NW Pacific Hwy. / W 4th St. (45.86195, -122.67258) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.6053 |
Other (At-Grade) Single-Lane |
2018 | https://www.clarkcountytoday.com/local_news/the-4th-street-and-pacific-highway-roundabout-in-la-center-completed/ ICD estimated from Google Maps linework. |
Dupont,
WA Pierce Co. United States |
Ridge View Dr. / McNeil St. (47.10116, -122.67381) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.0156 |
Other (At-Grade) Single-Lane |
2007 | Originally open pavement; converted to roundabout. Year Completed estimated (2006-2008). ICD estimated from Google Maps linework. |
Oak Harbor,
WA Island Co. United States |
Ault Field Rd. / Heller Rd. / Clover Valley Rd. (48.32575, -122.67444) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 29.3818 |
Other (At-Grade) Single-Lane |
2018 | Previous control type: One-way Yield. ICD estimated from Google Maps linework. |
Vancouver,
WA Clark Co. United States |
NW 5th Pl. / NW 151st St. (45.72996, -122.67572) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Vancouver,
WA Clark Co. United States |
W. 6th St. / Esther St. (45.62572, -122.67610) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 29.2336 |
Other (At-Grade) Single-Lane |
2005 | Opened June 2005. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
SW Terwilliger Blvd. / SW Palater Rd. (45.45290, -122.67660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2002 | Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction. |
Pitt Meadows,
BC Greater Vancouver Canada |
Airport Way / Bonson Rd. (49.20840, -122.67837) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.8699 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Ridgefield,
WA Clark Co. United States |
SR 501 / S 65th Ave. (45.81600, -122.68230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.6147 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Surrey,
BC Greater Vancouver Canada |
74 Ave. / 194A St. (49.13733, -122.68371) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.0000 |
Other (At-Grade) Single-Lane |
2019 | |
Surrey,
BC Greater Vancouver Canada |
194A St. / 73 Ave. (49.13550, -122.68375) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.0000 |
Other (At-Grade) Single-Lane |
2014 | |
Surrey,
BC Greater Vancouver Canada |
68 Ave. / 194 St. (49.12637, -122.68530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.0099 |
Other (At-Grade) Single-Lane |
2010 | Year Completed estimated (2009-2011 - Streetview). ICD estimated from Google Maps linework. |
Nisqually,
WA Thurston Co. United States |
SR 510 / Yelm Hwy SE (47.00928, -122.68839) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 62.7079 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | Right-turn bypass lane on southwest leg. Open December 2013. ICD estimated from Google Maps linework. |
Pitt Meadows,
BC Greater Vancouver Canada |
Airport Way / Harris Rd. (49.20811, -122.68974) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.2108 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Lake Oswego,
OR Clackamas Co. United States |
SW Stafford Rd. / SW Rosemont Rd. (45.39300, -122.69020) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.7740 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Ridgefield,
WA Clark Co. United States |
SR 501 / S 56th Pl. (45.81582, -122.69070) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.2796 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Nisqually,
WA Thurston Co. United States |
SR 510 / Reservation Rd. SE (47.01164, -122.69148) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2013 | Reverse curves on west and east legs. Open November 2013. |
Surrey,
BC Greater Vancouver Regional District Canada |
190 St. / 68 Ave. (49.12626, -122.69620) |
Roundabout Existing |
Unknown Unknown |
0 Approaches 0 Driveways 26.5731 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Port Orchard,
WA Kitsap Co. United States |
SW Old Clifton Rd. / Campus Pkwy. / McCormick Village Dr. (47.50505, -122.69904) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2021 | Year Completed estimated (2021-2022). |
Silverdale,
WA Kitsap Co. United States |
Silverdale Way NW / Chico Way NW / NW Newberry Hill Rd. (47.63704, -122.70135) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 15.2906 |
Other (At-Grade) Single-Lane |
2012 | Open September 2012. ICD estimated from Google Maps linework. |
Ridgefield,
WA Clark Co. United States |
NW La Center Rd. / I-5 NB Ramps (45.85214, -122.70160) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.8160 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2017 | Part of Ilani Casino interchange project. |
Surrey,
BC Greater Vancouver Regional District Canada |
188 St. / 68 Ave. (49.12614, -122.70170) |
Roundabout Existing |
Unknown Unknown |
0 Approaches 0 Driveways 25.7916 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
(unincorporated),
OR Clackamas Co. United States |
SW Stafford Rd. / SW Borland Rd. (45.37472, -122.70240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.6945 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NW 25th Ave. / NW Overton St. (45.53190, -122.70270) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 44.3420 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/30/1988. ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NW 25th Ave. / NW Marshall St. (45.53040, -122.70270) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 62.7498 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/30/1988. ICD estimated from Google Maps linework. |