Roundabouts Database Index

29410 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Olympia, WA Thurston Co. United States	Jefferson St SE / 14th Ave. SE (47.03555, -122.89581)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2010	Double-left turn from north leg; double-right turn from south leg. October 2010.
Delta, BC Metro Vancouver Canada	82nd Ave. / 116th St. (49.15220, -122.90150)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0911	Other (At-Grade) Unknown	2005	ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	Capitol Way N / Market St. NE / Corky Ave. NW / (parking) (47.05005, -122.90244)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	1995	Painted splitter islands. June 1995.
Burnaby, BC Greater Vancouver Regional District Canada	East Campus Rd. / University Dr. E (49.27628, -122.90450)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2003	On the Simon Fraser University campus. Year Completed estimated (2002-2004).
Medford, OR Jackson Co. United States	OR 238 (Rossanley Dr.) / Cheshire Way / (unknown) (42.34081, -122.90492)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Tactile directional indicators across bicycle ramps.
Tumwater, WA Thurston Co. United States	Capitol Blvd. SW / Trosper Rd. SE (46.99995, -122.90887)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2024	https://www.facebook.com/cityoftumwater/videos/roundabouts/851059580420485/
Tumwater, WA Thurston Co. United States	6th Ave. SW / I-5 NB Ramps (46.99904, -122.91042)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2024	Yield-controlled right-turn bypass lane with low entry angle on north leg. Left-turn-only lane on south leg. https://www.facebook.com/cityoftumwater/videos/roundabouts/851059580420485/
Tumwater, WA Thurston Co. United States	Trosper Rd. SW / 6th Ave. SW (46.99984, -122.91042)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	https://www.facebook.com/cityoftumwater/videos/roundabouts/851059580420485/
Olympia, WA Thurston Co. United States	Olympic Way NW / 4th Ave. W / 5th Ave. W (47.04422, -122.91200)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 38.2512	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Hillsboro, OR Washington Co. United States	SE Century Blvd. / SE Kinnaman St. (45.48857, -122.91262)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2024
Tumwater, WA Thurston Co. United States	Tumwater Blvd. / New Market St. (46.97971, -122.91320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.7052	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	Olympic Way NW / Harrison Ave. NW / W Bay Dr. NW (47.04582, -122.91330)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 34.9947	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Hillsboro, OR Washington Co. United States	NE Butler St. / NE 65th Ave. (45.53838, -122.91368)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1349	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Delta, BC Greater Vancouver Canada	Lyon Rd. / Huff Blvd. (49.12736, -122.91501)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.0000	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2004-2007).
New Westminster, BC Greater Vancouver Regional District Canada	10th St. / Carnarvon St. (49.20056, -122.91550)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 17.1686	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
(unincorporated), OR Washington Co. United States	Scholls Ferry Rd. / River Rd. (45.42222, -122.91619)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.2667	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Rural location with high-speed approaching roadways; realignment of each approach reduces speed. ICD estimated from Google Maps linework.
Upper Lake, CA Lake Co. United States	SR 20 / SR 29 (39.16333, -122.92095)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.1148	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Tumwater, WA Thurston Co. United States	Littlerock Rd. SW / Kingswood Dr. SW (46.99435, -122.92190)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2010	September 2010.
Lakeport, CA Lake Co. United States	Todd Rd. / Parallel Dr. (39.03226, -122.92521)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5433	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	58th St. / Thurston Rd. (44.05320, -122.92640)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7507	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Tumwater, WA Thurston Co. United States	Littlerock Rd. SW / Odegard Rd. SW (46.98985, -122.92650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2010	June 2010.
Delta, BC Greater Vancouver Canada	Delsom Crescent / Delsom Way (49.15497, -122.92664)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2008	Splitter islands added 2014-2015.
Delta, BC Greater Vancouver Canada	Dunlop Rd. / Terrace Dr. / Harrogate Dr. (49.15901, -122.92808)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tumwater, WA Thurston Co. United States	Israel Rd. SW / Tyee Dr. SW (46.98552, -122.92855)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2017	Right-turn-only lane on north leg. South leg stubbed. Year Completed estimated (2016-2017).
Central Point, OR Jackson Co. United States	Taylor Rd. / Silver Creek Dr. (42.37467, -122.92876)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0579	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Delta, BC Greater Vancouver Canada	Derwent Way / Belgrave Way (49.18186, -122.92912)	Other Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Hillsboro, OR Washington Co. United States	Brookwood Ave. / Alexander St. (45.49736, -122.93050)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6949	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Delta, BC Greater Vancouver Canada	Audley Blvd. / Cundy Ave. (49.17521, -122.93062)	Other Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Single-Lane
Burnaby, BC Greater Vancouver Canada	Gaglardi Way / University Dr. W (49.27628, -122.93078)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.8429	Other (At-Grade) Single-Lane	2014	Right-turn bypass lane on southeast leg. ICD estimated from Google Maps linework.
Delta, BC Greater Vancouver Canada	Dunlop Rd. / Sunset Dr. (49.15687, -122.93145)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tumwater, WA Thurston Co. United States	Littlerock Rd. SW / Israel Rd. SW / 70th Ave. SW (46.98554, -122.93236)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2009	October 2009.
Tumwater, WA Thurston Co. United States	Littlerock Rd. SW / Tumwater Blvd. SW (46.98283, -122.93544)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2009	July 2009.
Newberg, OR Yamhill Co. United States	Crestview Dr. / Robin Ct. (45.31417, -122.93598)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.9576	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Newberg, OR Yamhill Co. United States	Providence Dr. / Hayes St. / Wenn Blvd. (45.30378, -122.93650)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.0409	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Newberg, OR Yamhill Co. United States	Crestview Dr. / Birdhaven Loop (45.31484, -122.93699)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2012
Newberg, OR Yamhill Co. United States	Crestview Dr. / Westlake Loop (45.31487, -122.93896)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.2128	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Opened September-October 2021.
Newberg, OR Yamhill Co. United States	Werth Blvd. / (parking) (45.30006, -122.93940)	Other Existing	Uncontrolled Other	2 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		Raised crosswalk, near community college, 3rd leg is access to parking lot.
Newberg, OR Yamhill Co. United States	Brutscher St. / Hayes St. (45.30378, -122.94090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9211	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Tumwater, WA Thurston Co. United States	93rd Ave. SW / Lathrop Industrial Dr. (46.95285, -122.94231)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Add-lane right-turn bypass lane on south leg. Year Completed estimated (2021-2022).
Newberg, OR Yamhill Co. United States	N Springbrook Rd. / Crestview Dr. / (future leg) (45.31532, -122.94593)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 55.4306	Other (At-Grade) Single-Lane	2007	Located near Portland and Western railroad crossing. Replaced offset T-intersections. ICD estimated from Google Maps linework.
Hillsboro, OR Washington Co. United States	NE Veterans Dr. / NE 34th Ave. (45.52864, -122.94667)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9575	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Delta, BC Greater Vancouver Canada	Nordel Way / Highway 91 Connector EB Ramps / Frontage Rd. (49.14617, -122.94689)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2022	Merging right-turn bypass lane on east leg; add-lane right-turn bypass lane on south leg.
Whistler, BC Squamish-Lillooet Canada	Nicklaus North Blvd. / Mons Rd. (50.14255, -122.94859)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		No splitter islands.
Delta, BC Greater Vancouver Canada	River Rd. / Hwy 17 NB Ramps (49.15194, -122.94952)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	Raindrop shaped. https://canada.constructconnect.com/joc/news/projects/2021/12/new-interchange-improves-delta-connections
Delta, BC Greater Vancouver Canada	River Rd. / Hwy 17 SB Ramps (49.15212, -122.95254)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	https://canada.constructconnect.com/joc/news/projects/2021/12/new-interchange-improves-delta-connections
Burnaby, BC Greater Vancouver Regional District Canada	Ridge Dr. / Barnet Rd. / Duthie Ave. (49.28328, -122.95360)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2002
Burnaby, BC Greater Vancouver Canada	Cliff Ave. / Union St. (49.27779, -122.95902)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Burnaby, BC Greater Vancouver Canada	Cliff Ave. / Kitchener St. (49.27159, -122.95905)	Traffic Calming Circle Unknown	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Springfield, OR Lane Co. United States	S. 42nd Street / Jasper Rd. (44.03482, -122.96210)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1932	Other (At-Grade) Single-Lane	2005	Bike lanes are dropped/resumed at the roundabout using an eight foot wide “dust pan” style driveway that is oriented perpendicular to the street centerline. ICD estimated from Google Maps linework.
Newberg, OR Yamhill Co. United States	Edgewood Dr. / Juniper Dr. (45.32201, -122.96692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.9940	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Hillsboro, OR Washington Co. United States	NW Jackson School Rd. / NW Scotch Church Rd. / NW Meek Rd. (45.57257, -122.96991)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.4901	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Newberg, OR Yamhill Co. United States	Foothills Dr. / Center St. (45.32467, -122.96999)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 26.8710	Other (At-Grade) Single-Lane	1999	Very small splitter islands, with pedestrian crossings next to circulatory roadway. ICD estimated from Google Maps linework.
Hillsboro, OR Washington Co. United States	NE Parks Edge Circle (45.54391, -122.97050)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Chehalis, WA Lewis Co. United States	NW Louisiana Ave. / Car Dealership Access (46.68261, -122.97338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.5097	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	Evergreen Pkwy. NW / McCann Plaza (47.06936, -122.97440)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 42.3006	Other (At-Grade) Single-Lane	2005	Entrance to college. Opened November 2005. ICD estimated from Google Maps linework.
Chehalis, WA Lewis Co. United States	NW Louisiana Ave. / Wal-Mart-Home Depot Access (46.67881, -122.97600)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.3319	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Opened September 2006. Fourth leg opened late 2015/early 2016. ICD estimated from Google Maps linework.
Chehalis, WA Lewis Co. United States	NW West St. / NW Pennsylvania Ave. (46.66652, -122.97639)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways	Other (At-Grade) Unknown	2008	Year Completed estimated (2006-2009).
Hillsboro, OR Washington Co. United States	NE Jackson School Rd. / NE Harewood St. (45.53898, -122.97965)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021
Burnaby, BC Greater Vancouver Canada	Douglas Rd. / Goring St. (49.26283, -122.98698)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 1 Driveways 30.0000	Other (At-Grade) Single-Lane	2022
Delta, BC Greater Vancouver Canada	Tilbury Connector / Progress Way / 80 St. / (unknown) / (unknown) (49.14014, -123.00090)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 68.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2013
Burnaby, BC Greater Vancouver Canada	Still Creek Dr. / Eastbrook Pkwy. (49.26183, -123.00155)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.allroadsconstruction.com/vancouver-area-road-building-asphalt-paving-milling-projects/city-of-burnaby-still-creek-drive-at-eastbrook-parkway-roundabout
Tsawwassen, BC Greater Vancouver Canada	Churchill St. / Airport Rd. (49.08220, -123.00379)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0725	Other (At-Grade) Single-Lane	2011	Unfinished in Aug 2011 (streetview). ICD estimated from Google Maps linework.
Salem, OR Marion Co. United States	27th Ave. SE / (parking) (44.88404, -123.00521)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022	Yield-controlled right-turn bypass lane on north leg. Entrance to Costco. https://salem.legistar.com/LegislationDetail.aspx?ID=4649272&GUID=D9BD6384-EE04-4322-AAA4-FADDF62C115B&Options=&Search=
Grand Mound, WA Thurston Co. United States	Old Highway 99 SW/ 198th Ave. SW (46.80065, -123.01220)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2019
Keizer, OR Marion Co. United States	Verda Ln NE / Chemawa Rd NE (44.99750, -123.01251)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7149	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Grand Mound, WA Thurston Co. United States	US 12 / Sargent Rd. SW (46.80249, -123.01756)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2023	https://public-works-projects-thurston.hub.arcgis.com/pages/us-12-sargent-road
Friday Harbor, WA San Juan Co. United States	Spring St. / Argyle Ave. (48.53363, -123.01770)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.8600	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Painted splitter islands. Near ferry terminal. Central island is mounded with no curbing. Raised pavement markers ring the central island.
Springfield, OR Lane Co. United States	Hayden Bridge Way / Pioneer Pkwy. / Wayside Ln. (44.07090, -123.02880)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	5 Approaches 0 Driveways 52.3441	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	http://www.registerguard.com/news/2006/09/21/a1.roundabout.0921.p1.php?section=cityregion Prior configuration was an offset T with Wayside east of Pioneer Parkway East. M L King Parkway did not exist. ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Franklin Blvd. / S A St. / Main St. (44.04414, -123.03027)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	3 Approaches 0 Driveways 70.3961	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Franklin Blvd. / (parking lots) (44.04434, -123.03145)	Roundabout Existing	All-Way Yield None	2 Approaches 2 Driveways 47.2167	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Maple Island Rd. / International Way (44.08840, -123.03490)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1668	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Maple Island Rd. / Game Farm Rd. East (44.08580, -123.03510)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.7365	Other (At-Grade) Single-Lane	2002	One leg is driveway, 4th leg is future. ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Maple Island Rd. / (parking lot) (44.08710, -123.03510)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1674	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Albany, OR Linn Co. United States	Knox Butte Rd. E / Timber Ridge St. NE (44.64360, -123.04161)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4360	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Cornelius, OR Washington Co. United States	N Davis St. / N 19th St. (45.52343, -123.04837)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2024
Eugene, OR Lane Co. United States	S Garden Way / Commons Dr. (44.06097, -123.05200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0309	Other (At-Grade) Single-Lane	2004	Year completed estimated (2003-2005). ICD estimated from Google Maps linework.
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.6900	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework.
Richmond, BC Greater Vancouver Canada	Entertainment Blvd. / (parking lots) (49.13559, -123.06424)	Other Existing	Uncontrolled None	3 Approaches 3 Driveways 43.7592	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Tsawwassen, BC Greater Vancouver Canada	Crescent Dr. / Westminster Ave. (49.10197, -123.07218)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0000	Other (At-Grade) Single-Lane		Little entry deflection. Year Completed unknown (before 2003).
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Martin Rd. (45.55150, -123.07350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.0173	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane roundabout, striped-out inner circulatory and entry/exit lanes. ICD estimated from Google Maps linework.
North Vancouver, BC Greater Vancouver Regional District Canada	Keith Rd. / Chesterfield Ave. (49.31817, -123.07670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5774	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Delta, BC Greater Vancouver Canada	Ferry Rd. / Admiral Way (49.11201, -123.07804)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane	2005
Delta, BC Greater Vancouver Canada	Ferry Rd. / Commodore Dr. (49.10577, -123.07907)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Painted splitter islands.
Forest Grove, OR Washington Co. United States	OR 47 / Martin Rd. (45.52663, -123.08434)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 56.3877	Other (At-Grade) Single-Lane	2024	https://www.washingtoncountyor.gov/lut/projects/martin-road-highway-47
Albany, OR Linn Co. United States	Main St. SE / 3rd Ave. SE / Salem Ave. SE (44.63740, -123.09193)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5944	Other (At-Grade) Single-Lane	2014	Replaced offset-T intersections. ICD estimated from Google Maps linework.
Old Hopland, CA Mendocino Co. United States	SR 175 / Old River Rd. (38.97746, -123.09910)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 35.2816	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Shelton, WA Mason Co. United States	N 1st St. / W Alder St. (47.21590, -123.09963)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9595	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	Previous control: 3-way stop plus a Yield at the constrained right turn lane. http://www.ifiberonenewsradio.com/news/local_news/shelton-s-st-roundabout-draws-mixed-reviews-from-community-residents/article_9b7ee6ec-9217-11e9-8590-432067f659d6.html ICD estimated from Google Maps linework.
Sequim, WA Clallam Co. United States	Woodcock Rd. / Sequim-Dungeness Bay Rd. (48.11592, -123.10204)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022
Sequim, WA Clallam Co. United States	N Sequim Ave. / Old Olympic Hwy. (48.09418, -123.10230)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.5265	Other (At-Grade) Single-Lane	2005	Opened September 2005. ICD estimated from Google Maps linework.
Forest Grove, OR Washington Co. United States	OR Hwy 47 / Verboort Rd. / Purdin Rd. (45.54784, -123.10578)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.5115	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Forest Grove, OR Washington Co. United States	OR Hwy 47 / David Hill Rd. (45.53898, -123.10728)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.1922	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet Canada	The Boulevard / Perth Dr. (49.74036, -123.11024)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 20.0678	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Squamish, BC Squamish-Lillooet Canada	The Boulevard / Highlands Way (49.74035, -123.11661)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.3833	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Albany, OR Linn Co. United States	N. Albany Rd. / Gibson Hill Rd. (44.65688, -123.11730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.7877	Other (At-Grade) Single-Lane	2005	Completed August 2005. Four leg added to north to extend North Albany Road. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / W 60th Ave. (49.21605, -123.12393)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 14.0426	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / 62nd Ave. (49.21424, -123.12399)	Traffic Calming Circle Existing	Other Unknown	3 Approaches 0 Driveways 10.9224	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Sequim, WA Clallam Co. United States	W Washington St. / S 9th Ave. (48.07909, -123.12400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	May 2007.
Vancouver, BC Greater Vancouver Canada	Heather St. / W 64th Ave. (49.21235, -123.12407)	Traffic Calming Circle Existing	Other Unknown	3 Approaches 0 Driveways 10.9229	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Canada	Heather St. / W 68th Ave. (49.21027, -123.12414)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 10.9233	Other (At-Grade) Single-Lane	2008	No yield or stop signs. ICD estimated from Google Maps linework.
West Vancouver, BC Greater Vancouver Canada	Taylor Way / Southborough Dr. / Stevens Dr. (49.34101, -123.13479)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2005	Yield-controlled right-turn bypass lane on south leg.