City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Bellevue,
WA King Co. United States |
100th Ave. NE / NE 10th St. / Belfair Ln. (47.61924, -122.20706) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.3360 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2020 | Year Completed estimated (2019-2020). |
West Lake Stevens,
WA Snohomish Co. United States |
SR 9 / S Lake Stevens Rd. (47.97461, -122.10273) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | https://www.tiktok.com/@j_will_entrepreneur/video/7151997176799939883?is_from_webapp=v1&item_id=7151997176799939883 |
Spokane Valley,
WA Spokane Co. United States |
E Sprague Ave. / S Barker Rd. (47.65689, -117.15362) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.spokanevalley.org/spraguebarker |
Lakewood,
WA Pierce Co. United States |
North Gate Rd. SW / Edgewood Ave. SW / Winona St. SW (47.14678, -122.56385) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.kiro7.com/news/south-sound-news/stolen-car-stopped-by-wet-cement-lakewood/GDU77T3M6NC2RKBPTKKY5N53SA/ |
Moses Lake,
WA Grant Co. United States |
SR 17 / Grape Dr. (47.14957, -119.29411) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | https://wsdot.wa.gov/construction-planning/search-projects/sr-17-grape-drive-intersection-improvements https://columbiabasinherald.com/news/2022/sep/06/grape-dr-roundabout-nears-completion/ |
Everett,
WA Snohomish Co. United States |
Riverfront Blvd. / 29th Ave. SE / 44th St. SE (47.95950, -122.19112) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
2020 | |
Arlington,
WA Snohomish Co. United States |
236th St. NE / 19th Ave. NE (48.20959, -122.20491) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Single-Lane |
2021 | https://www.236safetyimprovements.org/project-updates |
Plateau,
WA King Co. United States |
Auburn Way / (school entrance) / (parking) (47.28822, -122.18165) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Entrance to Chinook elementary school. |
Bay View,
WA Skagit Co. United States |
Josh Wilson Rd. / Farm to Market Rd. (48.48665, -122.44440) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.goskagit.com/townnews/economics/bay-view-area-roundabout-now-open/article_e9ac88a2-32e5-11ed-b607-03db0c4dca41.html |
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). |
Pullman,
WA Whitman Co. United States |
NE Terre View Dr. / N Fairway Rd. / Northwood Dr. (46.74230, -117.15019) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.pullman-wa.gov/government/departments/public_works/public_works_news_section/terre_view_roundabout_opens_early |
Aberdeen,
WA Grays Harbor Co. United States |
E Market St. / F St. / Fuller Way (46.97745, -123.81394) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.youtube.com/watch?v=NUdE390ndyA |
Loon Lake,
WA Stevens Co. United States |
US 395 / SR 292 / Gardenspot Rd. (48.05995, -117.62055) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.kxly.com/us-395-loon-lake-roundabout-now-fully-open/ |
Arlington,
WA Snohomish Co. United States |
SR 531 (172nd St. NE) / 43rd Ave. NE (48.15231, -122.17230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | https://www.arlingtonwa.gov/758/43rd-Ave-SR-531-172nd-St-Roundabout |
Seattle,
WA King Co. United States |
Minor Ave. / Union St.-E Union St. / Bellevue Ave. (47.61296, -122.32688) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
5 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Steilacoom,
WA Pierce Co. United States |
Union Ave. / Rainier St. / Martin St. (47.16963, -122.60292) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). |
Lakewood,
WA Pierce Co. United States |
Gravelly Lake Dr. SW / Washington Blvd. SW (47.14920, -122.53942) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://cityoflakewood.us/weekly-bulletin-220408/ |
Lakewood,
WA Pierce Co. United States |
Washington Blvd. SW / Interlaaken Dr. SW (47.14862, -122.54186) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). |
Lakewood,
WA Pierce Co. United States |
Washington Blvd. SW / Edgewood Ave. SW (47.14855, -122.56383) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2023 | |
North Bend,
WA King Co. United States |
436th Ave. SE / SE 136th St. (47.47778, -121.75834) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | https://livingsnoqualmie.com/updated-construction-schedule-for-se-136th-street-436th-avenue-roundabout-in-north-bend/ |
Five Corners,
WA Clark Co. United States |
NE 94th Ave. / NE 99th St. (45.69343, -122.57575) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2023 | |
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). |
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). |
Wenatchee,
WA Chelan Co. United States |
US 2-US 97 / US 2-US 97 Ramps / Easy St. (47.46942, -120.33556) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2023 | https://www.yoursourceone.com/columbia_basin/us-2-97-and-easy-street-roundabout-in-wenatchee-to-open-this-weekend/article_0804b578-1764-11ee-82ea-bb1c1c03b812.html |
Quincy,
WA Grant Co. United States |
SR 28 / White Trail Rd. (47.23275, -119.93936) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | https://kpq.com/opening-of-roundabout-at-sr-28-white-trail-road-delayed-again/ |
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). |
Kent,
WA King Co. United States |
94th Ave. S / S 237th Pl. (47.38921, -122.21537) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.2024 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | Raised but mountable central island, painted splitter islands. |
Federal Way,
WA King Co. United States |
SR 509 (SW Dash Point Rd.) / 47th Ave. SW (47.32161, -122.39253) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.4317 |
Other (At-Grade) Single-Lane |
2022 | |
Federal Way,
WA King Co. United States |
S 300th St. / 24th Pl. S / (parking) (47.33323, -122.30213) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | Painted splitter islands. Year Completed estimated (2020-2021). |
Federal Way,
WA King Co. United States |
S 300th St. / 26th Ave. S / (parking) (47.33321, -122.30053) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | Painted splitter islands. Year Completed estimated (2020-2021). |
Seattle,
WA King Co. United States |
S Atlantic St. / Sturgus Ave. S (47.59000, -122.31165) |
Traffic Calming Circle Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Gig Harbor,
WA Pierce Co. United States |
Olympus Way / Buckhorn Pl. / Copper Ct. (47.36278, -122.59679) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2014 | |
Enumclaw,
WA King Co. United States |
Semanski St. / Warner Ave. (47.19201, -122.00551) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2021 | Next to Enumclaw High School. https://www.courierherald.com/news/council-awards-bid-for-roundabout-in-front-of-enumclaw-high/ |
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). |
Kennewick,
WA Benton Co. United States |
Ridgeline Dr. / US 395 NB Ramps / S Zintel Way (46.17192, -119.19115) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.nbcrightnow.com/news/us-395-and-ridgeline-drive-interchange-near-southridge-now-open/article_f08f07aa-e2e2-11ed-a02e-ab286dbac1ad.html |
Kent,
WA King Co. United States |
SE 272nd St. / 106th Ave. SE (47.35794, -122.19865) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | Built by developer. |
Lake Stevens,
WA Snohomish Co. United States |
Vernon Rd. / 91st Ave. SE (48.00354, -122.10817) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | Peanut shaped. ICD = 80 ft for each node, 185 ft for overall length. No deflection on north and south legs prior to entry. https://www.reddit.com/r/Suburbanhell/comments/y403wy/a_new_peanut_shaped_roundabout_my_city_just/?rdt=48505 |
Lake Stevens,
WA Snohomish Co. United States |
SR 9 / Vernon Rd. (48.00461, -122.10670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2023 | https://www.youtube.com/watch?v=5RRqjCCJjRc |
Lake Stevens,
WA Snohomish Co. United States |
SR 9 / SR 204 (Snohomish Marysville Rd.) / 7th Pl. NE (48.00286, -122.10637) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2023 | https://www.youtube.com/watch?v=5RRqjCCJjRc |
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 |
Liberty Lake,
WA Spokane Co. United States |
E Mission Ave. / Kramer Pkwy. (47.67143, -117.12235) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | Year Completed estimated (2022-2023). |
Arlington,
WA Snohomish Co. United States |
SR 530 / 211th Pl. NE (48.18852, -122.14376) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | https://www.arlingtonwa.gov/735/SR-530---59th-211th-Roundabouts |
Arlington Bluff,
WA Snohomish Co. United States |
SR 530 / 59th Ave. NE (48.18839, -122.15068) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | https://www.arlingtonwa.gov/735/SR-530---59th-211th-Roundabouts |
(unincorporated),
WA King Co. United States |
Redmond Ridge Dr. / NE Alder Crest Dr. (47.69211, -122.03572) |
Roundabout Unknown |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://kingcounty.gov/en/dept/local-services/transit-transportation-roads/roads-and-bridges/projects-and-programs/redmond-ridge-dr-ne-roundabout (open to traffic, but final paving delayed by weather until Spring 2024) |
West Richland,
WA Benton Co. United States |
SR 240 / SR 225 / US Reservation Rd. (46.38327, -119.42282) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | |
Leavenworth,
WA Chelan Co. United States |
US 2 / Icicle Rd. (47.58851, -120.67532) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | https://www.wenatcheeworld.com/business/new-leavenworth-roundabout-completed-ribbon-cutting-ceremony-next-week/article_eaf2f3e4-67c9-11ee-893c-47727bd0bda9.html |
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 | |
Walla Walla,
WA Walla Walla Co. United States |
S Park St. / E Alder St. / E Poplar St. (46.06763, -118.33094) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | Oval shaped. ICD = 140 ft x 80 ft. https://www.wallawallawa.gov/Home/Components/News/News/2444/ |
Walla Walla,
WA Walla Walla Co. United States |
E Poplar St. / S Palouse St. (46.06708, -118.33280) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | https://www.wallawallawa.gov/Home/Components/News/News/2394/ |
Walla Walla,
WA Walla Walla Co. United States |
E Alder St. / S Palouse St. (46.06761, -118.33330) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | Oval shaped. ICD = 115 ft x 80 ft. https://www.wallawallawa.gov/Home/Components/News/News/2394/ |
Swinomish Tribal Community,
WA Skagit Co. United States |
SR 20 / Padilla Heights Rd. (48.45519, -122.51940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.2280 |
Other (At-Grade) Single-Lane |
2002 | The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework. |
La Conner,
WA Skagit Co. United States |
LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr. (48.39234, -122.48660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.5504 |
Other (At-Grade) Single-Lane |
2003 | Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
22nd Ave. E / E Thomas St. (47.62138, -122.30360) |
Traffic Calming Circle Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2006 | |
Yakima,
WA Yakima Co. United States |
N. 5th Ave. / Fruitdale Blvd. (46.61242, -120.51870) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.1760 |
Other (At-Grade) Single-Lane |
2004 | Completed July 1, 2004. Major street makes a 90-degree turn through the intersection. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
12th Ave. / Irving St. (46.19768, -119.19670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.9874 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Collector ICD estimated from Google Maps linework. |
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / 51st (47.35959, -122.60640) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways 35.5974 |
Other (At-Grade) Single-Lane |
2002 | In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework. |
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / SR 16 SB Ramps (47.35868, -122.61610) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.8342 |
Freeway Ramps (Grade-Separated) Single-Lane |
2004 | Opened March 2004. ICD estimated from Google Maps linework. |
Kent,
WA King Co. United States |
S. 216th St. / 42nd Ave. S / 40th Pl. S (47.40843, -122.28120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 23.4402 |
Other (At-Grade) Single-Lane |
2001 | Opened July 2001. ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Grandridge Blvd. / Center Pkwy. (46.22032, -119.23220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.5746 |
Other (At-Grade) Single-Lane |
2006 | Completed August 3, 2006. Functional Class: Collector ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Gage Blvd. / Center Pkwy. (46.22710, -119.23120) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.6169 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
27th Ave. / Vancouver St. (46.18394, -119.14850) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.4604 |
Other (At-Grade) Single-Lane |
2004 | Completed November 15, 2004. Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
19th Ave. / Union St. (46.19220, -119.18040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.2832 |
Other (At-Grade) Single-Lane |
2003 | 1/3 mile from school, primary bus and traffic route for the school, on school walking route, has adult crossing guards. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
4th Ave. / Union St. (46.20640, -119.18010) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.4496 |
Other (At-Grade) Single-Lane |
2003 | Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Kennewick Ave. / Union St. (46.20983, -119.18000) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.1420 |
Other (At-Grade) Single-Lane |
2003 | Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Young St. / Quinault Ave. (46.22004, -119.21950) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6646 |
Other (At-Grade) Single-Lane |
2003 | Completed November 2003. Functional Class: Collector ICD estimated from Google Maps linework. |
Silverdale,
WA Kitsap Co. United States |
NW Anderson Hill Rd. / Frontier Pl. NW (47.65368, -122.70350) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 21.7218 |
Other (At-Grade) Single-Lane |
2003 | Opened September 2003. ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Creekstone Dr. / Irving St. (46.18894, -119.19640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.0725 |
Other (At-Grade) Single-Lane |
2005 | New roadway (Creekstone) connecting into existing subdivision stub-street (Irving) on south side and new subdivision on north side Functional Class: Collector ICD estimated from Google Maps linework. |
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 |
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. |
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. |
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 |
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 |
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. |
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. |
Federal Way,
WA King Co. United States |
S 323rd St. / 32nd Ave. S (47.31214, -122.29250) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.5368 |
Other (At-Grade) Single-Lane |
2000 | Opened April 2000. ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
21st Ave. E / E. Republican St. (47.62320, -122.30470) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 5.6349 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
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. |
Sammamish,
WA King Co. United States |
NE Inglewood Hill / 216th Ave. NE (47.61554, -122.05180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.3989 |
Other (At-Grade) Single-Lane |
2001 | October 2001. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / 56th St. W (47.20565, -122.56890) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.3417 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / 62nd Ct. W / Park Entrance (47.20033, -122.56890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7785 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Bristonwood Dr. / 48th St. W (47.21334, -122.56880) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9607 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Cirque Dr. (47.21093, -122.56880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.1506 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
Bainbridge Island,
WA Kitsap Co. United States |
High School Rd. / Madison Ave. (47.63579, -122.52100) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.9484 |
Other (At-Grade) Single-Lane |
2000 | Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Linden Ave. N / N. 36th St. (47.65116, -122.34860) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 35.4002 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Woodlawn Ave. N / N. 36th St. (47.65051, -122.33870) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 12.8730 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
18th Ave. E. / E. Spring St. (47.61154, -122.30890) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 8.0516 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
Seattle,
WA King Co. United States |
4th Ave. N / N. Prospect St. (47.62890, -122.34880) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 10.4636 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Sunnyside Ave. N / N 43rd St. (47.65912, -122.33020) |
Traffic Calming Circle Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2006 | |
Seattle,
WA King Co. United States |
29th Ave. S / S. Judkins St. (47.59217, -122.29550) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 12.8873 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
31st Ave. E / E. Denny St. (47.62016, -122.29230) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 64.4023 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Densmore Ave. N / N 137th St. (47.72867, -122.33830) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 16.8705 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Columbia Park Drive #1 (46.22221, -119.15110) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.8367 |
Other (At-Grade) Single-Lane |
2001 | Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
Columbia Park Drive #2 (46.22223, -119.14630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 54.5366 |
Other (At-Grade) Single-Lane |
2001 | Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework. |
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. |
Duvall,
WA King Co. United States |
SR 203 (Carnation-Duvall Rd.) / 124th St. / Novelty Hill (47.70910, -121.98440) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9865 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework. |
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 47.7339 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2001 | Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / Clover Dr. / Kittleson Rd. (47.10387, -119.25730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.8990 |
Other (At-Grade) Single-Lane |
2001 | Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework. |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / Leanne Ave. (47.10454, -119.27060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.4597 |
Other (At-Grade) Single-Lane |
2001 | Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework. |
Richland,
WA Benton Co. United States |
Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl. (46.23893, -119.24546) |
Roundabout Existing |
All-Way Yield Metering Signal |
5 Approaches 0 Driveways 49.5635 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2007 | 5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442 |
Seattle,
WA King Co. United States |
2nd Ave. NE / NE 91st St. (47.69499, -122.32710) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 8.0388 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |