City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Woodland,
WA Cowlitz Co. United States |
Insel Rd. / Willow St. (45.92237, -122.73400) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2009 | June 2009. |
Port Coquitlam,
BC Greater Vancouver Canada |
Fremont St. / Fremont Dr. / Hwy 7B (Loogheed Hwy.) Exit Ramp (49.24939, -122.73402) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Raindrop shaped. Year Completed estimated (2008-2011). |
Woodland,
WA Cowlitz Co. United States |
SR 503 (Lewis River Rd.) / Scott Ave. (45.91699, -122.74009) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.7138 |
Other (At-Grade) Single-Lane |
2015 | Open September 2015. ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Yelm Hwy. SE / Meridian Rd. SE (46.98551, -122.74087) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://yelm-meridian-thurston.hub.arcgis.com/ |
Lacey,
WA Thurston Co. United States |
Meridian Rd. / Orion Dr. (47.06890, -122.74140) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.1661 |
Other (At-Grade) Single-Lane |
2002 | Opened October 2002. Functional Class: Collector ICD estimated from Google Maps linework. |
Surrey,
BC Greater Vancouver Canada |
3A Ave. / 172 St. (49.00848, -122.74635) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.0000 |
Other (At-Grade) Single-Lane |
2012 | |
Coquitlam,
BC Greater Vancouver Canada |
Soball St. / Gislason Ave. (49.28930, -122.75026) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.0000 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2009-2011). |
Bremerton,
WA Kitsap Co. United States |
Cross SKIA Connector / Harry Earl Rd. (47.50340, -122.75060) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.2730 |
Other (At-Grade) Single-Lane |
2010 | September 2010. ICD estimated from Google Maps linework. |
Blaine,
WA Whatcom Co. United States |
I-5 NB Ramps / D St. / 2nd St. (48.99810, -122.75140) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.6939 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | May 2010. ICD estimated from Google Maps linework. |
Gorst,
WA Kitsap Co. United States |
SR 3 / Airport Way SW (47.50426, -122.75160) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2021 | Elliptical shaped. ICD = 135 ft x 125 ft. Year Completed estimated (2020-2021). |
Lacey,
WA Thurston Co. United States |
Willamette Dr. NE / 31st Ave. NE (47.07789, -122.75228) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.9205 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | Open October 2015. ICD estimated from Google Maps linework. |
Blaine,
WA Whatcom Co. United States |
I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 26.6422 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Marvin Rd. SE / Lake Forest Dr. SE / Oakwood St. SE (47.01411, -122.75428) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | |
Woodland,
WA Cowlitz Co. United States |
Dike Access Rd. / I-5 NB Ramps (45.92780, -122.75522) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Raindrop shaped. December 2010. |
Seabeck,
WA Kitsap Co. United States |
Seabeck Hwy NW / NW Holly Rd. (47.60901, -122.75692) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2015 | Open October 2015. |
Woodland,
WA Cowlitz Co. United States |
Dike Access Rd. / I-5 SB Ramps (45.92699, -122.75780) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | December 2010. |
Surrey,
BC Greater Vancouver Regional District Canada |
8 Ave. / Hwy 99 NB Ramps (49.01694, -122.75800) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.4645 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2005 | ICD estimated from Google Maps linework. |
Woodland,
WA Cowlitz Co. United States |
Dike Access Rd. / Schurman Way / (parking) (45.92664, -122.75957) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2012 | |
Lacey,
WA Thurston Co. United States |
(unknown) / (unknown) (47.04571, -122.76216) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2007 | Serves Lacey Regional Athletic Center. July 2007. |
Surrey,
BC Greater Vancouver Regional District Canada |
King George Hwy / 8th Ave. (49.01661, -122.76240) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.4647 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Surrey,
BC Greater Vancouver Canada |
25 Ave. / 166 St. (49.04745, -122.76265) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
2022 | |
Lacey,
WA Thurston Co. United States |
SR 510 (Marvin Rd.) / Pacific Ave. (47.03941, -122.76480) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.5572 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Completed July 28, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Hogum Bay Rd. NE / Willamette Dr. NE (47.06943, -122.76485) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.8601 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | ICD estimated from Google Maps linework. |
Prince George,
BC Fraser-Fort George Region Canada |
Cameron St. / N. Neechako Rd. (53.92850, -122.76743) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.0000 |
Other (At-Grade) Single-Lane |
2009 | Completed August 2009. http://www.city.pg.bc.ca/city_services/transportation/cameronstreetbridge/ |
Lacey,
WA Thurston Co. United States |
Marvin Rd. NE / Main St. NE (47.06709, -122.76828) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Roundabout installed, although cross street not initially constructed. |
Lacey,
WA Thurston Co. United States |
I-5 NB Off-Ramp / Galaxy Dr. / Quinault Dr. (47.06127, -122.76890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.5438 |
Other (At-Grade) Single-Lane |
2000 | Completed November 1, 2000. ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Vashon Dr. NE / Columbia Way NE (47.09724, -122.77000) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 26.0175 |
Other (At-Grade) Single-Lane |
2005 | Opened December 2005. ICD estimated from Google Maps linework. |
Port Townsend,
WA Jefferson Co. United States |
SR 20 / Kearney St. (48.11000, -122.77066) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2023 | |
Lacey,
WA Thurston Co. United States |
Marvin Rd. / Britton Pkwy. (47.06905, -122.77090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.3682 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Completed September 14, 2000. Functional Class: Arterial ICD estimated from Google Maps linework. |
Surrey,
BC Greater Vancouver Regional District Canada |
King George Hwy / 14th St. (Ave.?) (49.02746, -122.77110) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.7585 |
Other (At-Grade) Single-Lane |
2007 | http://www.icbc.com/road_safety/road_improve_pu/surrey.asp ICD estimated from Google Maps linework. |
Beaverton,
OR Washington Co. United States |
SW 92nd Ave. / SW Allen Blvd. (45.47149, -122.77200) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2022 | RRFB at shared-use crossing on south leg serving Fanno Creek Trail. https://www.beavertonoregon.gov/718/CIP-3112---Allen-Blvd92nd-Ave-Shared-Use?contentId=2643d655-60c2-481d-bf75-2f33d242b523 |
Tualatin,
OR Washington Co. United States |
(unknown) (45.35135, -122.77261) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Surrey,
BC Greater Vancouver Canada |
160 St. / 82 Ave. (49.15184, -122.77886) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 17.1855 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Mullen Rd. SE / Carpenter Rd. SE (47.00464, -122.77990) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2021 | Year Completed estimated (2021-2022). |
Wilsonville,
OR Clackamas Co. United States |
SW Boeckman Rd. / SW Kinsman Rd. (45.31738, -122.77993) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 41.1515 |
Other (At-Grade) Single-Lane |
2017 | ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Marvin Rd. / Hawks Prairie Rd. (47.08312, -122.78070) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.6509 |
Other (At-Grade) Single-Lane |
2002 | Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Marvin Rd. NE / 41st Ave. NE (47.09046, -122.78075) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2014 | |
Surrey,
BC Greater Vancouver Canada |
108 Ave. / 158 St. / 157A St. (49.19886, -122.78424) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.0000 |
Other (At-Grade) Single-Lane |
2006 | Year Completed estimated (2006-2007). |
Lacey,
WA Thurston Co. United States |
Britton Pkwy. NE / Gateway Blvd. (47.06858, -122.78590) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.3012 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Opened September 2007. ICD estimated from Google Maps linework. |
Wilsonville,
OR Clackamas Co. United States |
SW Barber St. / Brown Rd. (45.30865, -122.78620) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.3179 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Wilsonville,
OR Clackamas Co. United States |
SW Carinthia Circle (45.31150, -122.78783) |
Other Existing |
Unknown Unknown |
5 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
||
Wilsonville,
OR Clackamas Co. United States |
SW Boeckman Rd. / Tooze Rd. (45.31616, -122.78790) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.3126 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Surrey,
BC Greater Vancouver Canada |
108 Ave. / 156 St. (49.19885, -122.78978) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.0000 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2016). |
Surrey,
BC Greater Vancouver Canada |
156 St. / 82 Ave. (49.15186, -122.79010) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.0913 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Wilsonville,
OR Clackamas Co. United States |
SW Barber St. / Costa Cir. / 110th Ave. (45.30843, -122.79090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1580 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Wilsonville,
OR Clackamas Co. United States |
SW Villebois Dr. / SW Costa Cir. (45.31264, -122.79111) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.5145 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2014-2015). ICD estimated from Google Maps linework. |
Port Townsend,
WA Jefferson Co. United States |
SR 20 (Sims Way) / Thomas St. (48.10333, -122.79891) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2010 | July 2010. |
Wilsonville,
OR Clackamas Co. United States |
SW Grahams Ferry Rd. / SW Barber St. (45.31273, -122.80170) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 26.0368 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Wilsonville,
OR Clackamas Co. United States |
SW Alta Ln. / SW Alta Ct. (45.30418, -122.80186) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Belfair,
WA Mason Co. United States |
SR 3 / Log Yard Rd. (47.46778, -122.80455) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2020 | Central island truck apron and external truck aprons for long trucks making turns. Year Completed estimated (2018-2021). |
Port Townsend,
WA Jefferson Co. United States |
SR 20 (Sims Way) / Howard St. / Evans Vista (48.10260, -122.80500) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2010 | April 2010. |
Pemberton,
BC Pemberton Valley Canada |
Portage Rd. / Aspen Blvd. (50.32201, -122.80508) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signal/Beacon |
3 Approaches 0 Driveways 35.0000 |
Other (At-Grade) Single-Lane |
||
Port Townsend,
WA Jefferson Co. United States |
Discovery Rd. / Rainier St. / Howard St. (48.10787, -122.80624) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.4820 |
Other (At-Grade) Single-Lane |
2017 | Two-way separated bike path along east side. ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Pacific Ave. / Lacey Blvd. / Lacey St. / Homann Dr. (47.03677, -122.80630) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 53.7220 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Completed September 16, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. |
Beaverton,
OR Washington Co. United States |
SW Hart Rd. / Sorrento Rd. / Juniper Terr. (45.46680, -122.80880) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1283 |
Other (At-Grade) Single-Lane |
Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework. | |
Windsor,
CA Sonoma Co. United States |
Old Redwood Hwy / Market St (38.54956, -122.81353) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.5598 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
King City,
OR Washington Co. United States |
SW Fischer Rd. / SW 136th Ave. (45.39676, -122.81642) |
Other Existing |
All-Way Stop Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. | |
Windsor,
CA Sonoma Co. United States |
Old Redwood Hwy / Windsor Rd (38.55271, -122.81661) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.7562 |
Other (At-Grade) Single-Lane |
2016 | ICD estimated from Google Maps linework. |
Windsor,
CA Sonoma Co. United States |
Windsor River Rd. / Windsor Rd. (38.54725, -122.81687) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | Rail line through central island. |
Lacey,
WA Thurston Co. United States |
Parkside Dr. SE / 53rd St. SE (47.00040, -122.81703) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2006-2009). |
Surrey,
BC Greater Vancouver Canada |
20 Ave. / Rotary Way / (parking lot) (49.03845, -122.81781) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9690 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
White City,
OR Jackson Co. United States |
OR 140 / Atlantic Ave. / Foothill Rd. (42.42259, -122.81859) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2020 | https://content.govdelivery.com/accounts/ORDOT/bulletins/2a5a500 |
Lacey,
WA Thurston Co. United States |
Rainier Rd. SE / SE Balustrade Blvd. (46.98697, -122.82220) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2005 | September 2005. Horizon Pointe subdivision. Serves as primary access to Horizon Pointe Elementary School. |
Lacey,
WA Thurston Co. United States |
College St. / 45th Ave. (47.00710, -122.82310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.0923 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
22nd Ave. SE / College St. SE (47.02744, -122.82321) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2020 | https://www.theolympian.com/news/local/article245417580.html |
Sherwood,
OR Washington Co. United States |
SW Oregon St. / SW Murdock Rd. (45.36060, -122.82520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 49.5120 |
Other (At-Grade) Single-Lane |
2002 | Completed November 2002. ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Pacific Ave. / Golf Club Rd. / Lacey Blvd. (47.03786, -122.82860) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 61.8604 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Completed July 22, 2003. Functional Class: Arterial ICD estimated from Google Maps linework. |
Sherwood,
OR Washington Co. United States |
Langer Farms Pkwy. / Century Dr. (45.36454, -122.83630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.3477 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | Opened November 2011 ICD estimated from Google Maps linework. |
Beaverton,
OR Washington Co. United States |
SW Teal Blvd. / SW 155th Ave. / SW Nutcracker Ct. (45.44060, -122.83760) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 37.7099 |
Other (At-Grade) Single-Lane |
Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. ICD estimated from Google Maps linework. | |
Sherwood,
OR Washington Co. United States |
SW Oregon St. / SW 1st St. / SW Ash St. (45.35781, -122.83924) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Olympia,
WA Thurston Co. United States |
Chehalis Western Trl. / Woodland Trl. (47.03914, -122.83937) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 15.2400 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2015 | Bicycle trail to bicycle trail only roundabout. |
Port Moody,
BC Greater Vancouver Canada |
David Ave. / Hertage Mountain Blvd. / (school access) (49.29850, -122.84327) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.5960 |
Other (At-Grade) Single-Lane |
2003 | http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf ICD estimated from Google Maps linework. |
Tigard,
OR Washington Co. United States |
SW Barrows Rd. / SW Roshak Rd. / (parking lot) (45.42692, -122.84486) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.4989 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Medford,
OR Jackson Co. United States |
Springbrook Rd. / Cedar Links Dr. (42.35287, -122.84582) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | https://www.medfordoregon.gov/News-Articles/Springbrook-Road-Improvement-Project |
Olympia,
WA Thurston Co. United States |
18th Ave. SE / Fones Rd. SE (47.03250, -122.84697) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2010 | Double-right turn on north leg. October 2010. |
Tigard,
OR Washington Co. United States |
SW Bull Mountain Rd. / SW River Terrace Blvd. (45.41486, -122.84922) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.7271 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
River Terrace,
OR Washington Co. United States |
SW River Terrace Blvd. / SW Appledale Rd. (45.42317, -122.84929) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2018 | |
Olympia,
WA Thurston Co. United States |
18th Ave. SE / Hoffman Rd. SE / Ontario St. SE (47.03250, -122.84959) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.8175 |
Other (At-Grade) Single-Lane |
2010 | Opened October 2010. ICD estimated from Google Maps linework. |
Medford,
OR Jackson Co. United States |
Highland Dr. / Siskiyou Blvd. (42.32110, -122.84986) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2006 | Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg. |
Coquitlam,
BC Greater Vancouver Canada |
Woolridge St. / (parking lot) (49.23188, -122.85288) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.8561 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimated (2011-2012). ICD estimated from Google Maps linework. |
Kalama,
WA Cowlitz Co. United States |
Kalama River Rd. / Old Hwy 99 (46.04277, -122.85420) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2018-2021). |
Sherwood,
OR Washington Co. United States |
SW Meinecke Pkwy / SW Dewey Dr. (45.35897, -122.85650) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.8900 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Aloha,
OR Washington Co. United States |
SW 175th St. / SW Kemmer Rd. (45.45121, -122.85724) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.3785 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Sherwood,
OR Washington Co. United States |
Meinecke Pkwy. / Cedar Brook Way (45.36180, -122.85870) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.0842 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Lacey,
WA Thurston Co. United States |
Boulevard Rd. SE / 22nd Ave. (47.02903, -122.86477) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 97.6905 |
Other (At-Grade) Single-Lane |
2014 | Right-turn-only lane on west leg. Elliptical shape. Open October 2014. ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Boulevard Rd. / Morse-Merryman Rd. SE (47.01817, -122.86518) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 38.2699 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Boulevard Rd. SE / Log Cabin Rd. SE (47.01433, -122.86520) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.0870 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Opened November 2009. Left-turn only lanes on north and south legs with spiralling. ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Yelm Hwy SE / Boulevard Rd. SE (47.00397, -122.86540) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 1 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | May 2011. Right-turn-only lane on north leg. Located about 1000 feet from Centennial Elementary School and serves as a walking and school bus route. |
Sherwood,
OR Washington Co. United States |
SW Elwert Rd. / SW Kruger Rd. / Cedar Ln. (45.35477, -122.86786) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2020 | Intersection of Kruger/Elwert was moved north a few hundred feet. That intersection was previously a two-way stop. |
Medford,
OR Jackson Co. United States |
E Main St. / E 8th St. (42.32781, -122.86861) |
Other Existing |
Uncontrolled None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Bicycle-only circular intersection. | |
Healdsburg,
CA Sonoma Co. United States |
Healdsburg Ave. / Mill St. / Vine St. (38.60833, -122.87009) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 36.3981 |
Other (At-Grade) Single-Lane |
2018 | At-grade railroad crossing through central island. ICD estimated from Google Maps linework. |
Nice,
CA Lake Co. United States |
SR 20 / Pyle Rd. (39.13028, -122.87111) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 40.7641 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Olympia,
WA Thurston Co. United States |
Yelm Hwy SE / Brassfield Rd. SE (47.00372, -122.87309) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2011 | May 2011. |
Surrey,
BC Greater Vancouver Canada |
125A St. / Station Rd. (49.10068, -122.87456) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.0000 |
Other (At-Grade) Single-Lane |
2015 | |
Kelso,
WA Cowlitz Co. United States |
SR 432 / Old Hwy 99 / I-5 NB Ramps / Kelso Dr. (46.10491, -122.87586) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Freeway Ramps (Grade-Separated) Single-Lane |
2015 | Open August 2015. Elliptical shape. ICD = approximately 110 ft x 100 ft. |
Olympia,
WA Thurston Co. United States |
Henderson Blvd. SE / Carlyon Ave. SE (47.01989, -122.87768) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2020 | https://thejoltnews.com/stories/city-transportation-engineering-supervisor-explains-henderson-roundabout,267? |
Olympia,
WA Thurston Co. United States |
Eskridge Blvd. SE / Henderson Blvd. SE (47.02326, -122.87856) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2020 | https://thejoltnews.com/stories/city-transportation-engineering-supervisor-explains-henderson-roundabout,267? |
Medford,
OR Jackson Co. United States |
N Cottage St. / Ohio St. (42.34260, -122.88285) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.1932 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimated (2011-2012). West leg religned to southwest 2016-2017. ICD estimated from Google Maps linework. 21442 |
Olympia,
WA Thurston Co. United States |
14th Ave. SE / E Bay Dr. / Henderson Blvd. SE (47.02971, -122.89140) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 33.3772 |
Other (At-Grade) Single-Lane |
2005 | Opened July 2005. Southbound right turn bypass lane. ICD estimated from Google Maps linework. |
Woodburn,
OR Marion Co. United States |
OR 219 / Butteville Rd. (45.15079, -122.89405) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Yield-controlled right-turn bypass lane on west leg. South leg realigned with roundabout. Serves large warehouse. |