|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Concord,
CA Contra Costa Co. United States |
Landana Dr. / Mulberry Dr. (37.97886, -121.99430) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 16.0041 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
|
Sammamish,
WA King Co. United States |
SE Issaquah-Beaver Lake Rd. / 256th Ave. SE / E Beaver Lake Dr. SE (47.57849, -121.99831) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2019-2020). |
|
Sammamish,
WA King Co. United States |
SE Issaquah-Fall City Rd. / Klahanie Dr. SE / 252nd Ave. SE (47.56365, -122.00398) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed |
|
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/ |
|
Monroe,
WA Snohomish Co. United States |
SR 522 EB Ramps / 164th St. SE / Tester Rd. (47.84863, -122.00580) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 60.9143 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
|
Chilliwack,
BC Fraser Valley Canada |
Lickman Rd. / Yale Rd. / Luckakuck Way (49.14204, -122.00694) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.5348 |
Other (At-Grade) Single-Lane |
2019 | Planned to be changed to two-lane roundabout. https://www.theprogress.com/news/traffic-changes-now-in-effect-at-lickman-road-interchange/ ICD estimated from Google Maps linework. |
|
Walnut Creek,
CA Alameda Co. United States |
Walnut Ave. / Oak Grove Rd. (37.91432, -122.00770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.6138 |
Other (At-Grade) Single-Lane |
2000 | Right turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework. |
|
Monroe,
WA Snohomish Co. United States |
W Main St. / SR 522 SB Ramps (47.84883, -122.00879) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2014 | Right-turn bypass lane on west leg. Open December 2014. |
|
Sammamish,
WA King Co. United States |
SE Issaquah Fall City Rd. / 247th Pl. SE (47.56108, -122.00948) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed |
|
Granite Falls,
WA Snohomish Co. United States |
84th St. NE / 163rd Ave. NE (48.07206, -122.01269) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://www.facebook.com/SnoCoPW/videos/final-touches-are-taking-place-at-the-84th-st-ne-and-163rd-ave-ne-roundabout-in-/2124130604683380/ |
|
Redmond,
WA King Co. United States |
Eastridge Dr. NE / 244th Pl. NE (47.68499, -122.01300) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 16.8846 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2014 | Open July 2014. ICD estimated from Google Maps linework. |
|
Sammamish,
WA King Co. United States |
244th Ave NE / NE 8th St (47.61673, -122.01390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.0083 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
|
Sammamish,
WA King Co. United States |
244th Ave. NE / E Main Dr. (47.60881, -122.01390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.5457 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
|
Redmond,
WA King Co. United States |
Eastridge Dr. NE / NE Cedar Park Crescent (47.69141, -122.01690) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2012 | |
|
Sammamish,
WA King Co. United States |
Issaquah-Fall City Rd. / 242nd Ave. SE (47.55712, -122.01726) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | https://connect.sammamish.us/ifcr-project-look-ahead?category=11%2F5%2F19&tool=news_feed |
|
Hayward Highland,
CA Alameda Co. United States |
Fairview Ave. / Hayward Blvd. / Stonebrae Country Club Dr. (37.65432, -122.01743) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.7681 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
|
Cupertino,
CA Santa Clara Co. United States |
Portal Ave. / Wheaton Dr. (37.32445, -122.01964) |
Traffic Calming Circle Existing |
All-Way Stop None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (2000-2002). |
|
Maple Valley,
WA King Co. United States |
SE Tahoma Way / Maple Valley Black Diamond Rd. SE (47.35796, -122.02252) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.5079 |
Other (At-Grade) Single-Lane |
2018 | East Entrance to Tahoma High School. Year Completed estimated (2018-2019). ICD estimated from Google Maps linework. |
|
Santa Cruz,
CA Santa Cruz Co. United States |
Pacific Ave. / Beach St. (36.96282, -122.02388) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches) |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | Railroad tracks cut through part of circle. Separated two-way bicycle lane/cycle track along south side of intersection. |
|
Santa Cruz,
CA Santa Cruz Co. United States |
Pacific Ave. / Center St. / W. Cliff Dr. (36.96490, -122.02620) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.4453 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
|
Redmond,
WA King Co. United States |
Trilogy Pkwy NE / NE Greens Crossing Rd. (47.70752, -122.02660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.7178 |
Other (At-Grade) Single-Lane |
2004 | Adjacent to golf course and semi-retired community. Completed June 2004. ICD estimated from Google Maps linework. |
|
Sammamish,
WA King Co. United States |
Issaquah Pine Lake Rd. / SE 32nd Way (47.57894, -122.02810) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 33.8378 |
Other (At-Grade) Single-Lane |
2005 | Opened March 2005. ICD estimated from Google Maps linework. |
|
Sammamish,
WA King Co. United States |
NE 8th St. / 233rd Ave NE (47.61687, -122.02903) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 63.6012 |
Other (At-Grade) Single-Lane |
2012 | Open September 2012. ICD estimated from Google Maps linework. |
|
Black Diamond,
WA King Co. United States |
SE Auburn Black Diamond Rd. / Roberts Dr. / Lake Sawyer Rd. SE (47.31151, -122.02996) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 33.2005 |
Other (At-Grade) Single-Lane |
2017 | ICD estimated from Google Maps linework. |
|
Fairview,
CA Alameda Co. United States |
Fairview Ave. / Five Canyons Pkwy. / East Ave. (Star Ridge Rd.) (37.67520, -122.03220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.7965 |
Other (At-Grade) Single-Lane |
1998 | https://www.sfgate.com/bayarea/article/COMMUTER-CHRONICLES-IN-A-ROUNDABOUT-WAY-The-2975842.php ICD estimated from Google Maps linework. |
|
Redmond,
WA King Co. United States |
Redmond Ridge Dr. NE / NE Cedar Park Crest (47.68578, -122.03278) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2011-2012). |
|
Alamo,
CA Contra Costa Co. United States |
Danville Blvd. / Orchard Ct. (37.85201, -122.03374) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2024 | https://www.contracosta.ca.gov/8130/Danville-BlvdOrchard-Ct-Project-Alamo-Ro |
|
Black Diamond,
WA King Co. United States |
SE Auburn Black Diamond Rd. / Ten Trails Pkwy. SE (47.31106, -122.03510) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.4528 |
Other (At-Grade) Single-Lane |
2019 | North leg added 2021-2022. |
|
(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) |
|
Maple Valley,
WA King Co. United States |
SE 240th Blvd. / 228th Ave. SE (47.38734, -122.03723) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2018 | Southwest leg stubbed. Year Completed estimated (2017-2018). |
|
Maple Valley,
WA King Co. United States |
228th Ave. SE / SE 275th Pl. / SE Bear Blvd. (47.35485, -122.03766) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2016-2017). |
|
Sammamish,
WA King Co. United States |
SE 4th St. / 224th Pl. SE (47.60552, -122.03916) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.2128 |
Other (At-Grade) Single-Lane |
2020 | |
|
Sammamish,
WA King Co. United States |
SE 4th St. / 224th Ave. SE (47.60553, -122.04091) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.6032 |
Other (At-Grade) Single-Lane |
2020 | |
|
Issaquah,
WA King Co. United States |
SE 62nd St. / 221st Pl. SE / 4th Ave. NW (47.54682, -122.04277) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.2155 |
Other (At-Grade) Single-Lane |
2019 | https://www.youtube.com/watch?v=FGdBuaAZqVU. https://www.issaquahwa.gov/62. ICD estimated from Google Maps linework. |
|
Lake Stevens,
WA Snohomish Co. United States |
(unknown) (48.01194, -122.04305) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2009 | Entrance to Lake Stevens Community Park. January 2009. |
|
Sammamish,
WA King Co. United States |
SE 4th St. / 222nd Pl. SE (47.60554, -122.04307) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2020 | |
|
Maple Valley,
WA King Co. United States |
Witte Rd. SE / SE 248th St. (47.37966, -122.04813) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2011 | January 2011. |
|
Maple Valley,
WA King Co. United States |
Witte Rd. SE / SE 254th Pl. (47.37383, -122.04867) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2024 | https://www.maplevalleywa.gov/departments-services/public-works/capital-improvement-projects/current-transportation-improvement-projects/t-28b-ph-3-south-witte-road-se-roundabout-improvements |
|
Sammamish,
WA King Co. United States |
SE 4th St. / 218th Ave. SE (47.60555, -122.04899) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 21.9453 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2020 | |
|
Issaquah,
WA King Co. United States |
SE 62nd St. / Lake Dr. / Pickering Pl. (47.54599, -122.04930) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.5728 |
Other (At-Grade) Single-Lane |
2019 | https://www.youtube.com/watch?v=FGdBuaAZqVU. https://www.issaquahwa.gov/62. ICD estimated from Google Maps linework. |
|
Issaquah,
WA King Co. United States |
Maple St. NW / (parking lots) (47.54340, -122.05121) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 20.9614 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2017 | ICD estimated from Google Maps linework. |
|
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. |
|
Issaquah,
WA King Co. United States |
East Lake Sammamish Parkway / SE 43rd Way (47.56792, -122.05500) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 38.6799 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
|
Issaquah,
WA King Co. United States |
19th Ave. NW / NW Gilman Blvd. (47.54571, -122.06644) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 21.7667 |
Other (At-Grade) Single-Lane |
19th Ave legs have painted splitter islands. Completed 2008 or earlier (streetview). ICD estimated from Google Maps linework. | |
|
Pleasant Hill,
CA Contra Costa Co. United States |
Old Quarry Rd. / Camelback Rd. (37.97273, -122.06894) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.1278 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2017-2018). https://www.eastbaytimes.com/2017/02/20/pleasant-hill-roundabout-planned-near-diablo-valley-college/ ICD estimated from Google Maps linework. |
|
Issaquah,
WA King Co. United States |
Newport Way NW / NW Pacific Elm Dr. / 200th Ave. SE (47.54989, -122.07416) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 26.6016 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
|
Hayward,
CA Alameda Co. United States |
Orchard Ave. / Joyce St. (37.65808, -122.07850) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.9103 |
Other (At-Grade) Single-Lane |
2000 | Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework. |
|
Lake Stevens,
WA Snohomish Co. United States |
SR 92 / 113th Ave. SE (48.03019, -122.07884) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.9412 |
Other (At-Grade) Single-Lane |
2013 | Reverse curves on east and west approaches. Open November 2013. ICD estimated from Google Maps linework. |
|
Redmond,
WA King Co. United States |
NE Union Hill Rd. / 196th Ave. NE (47.67501, -122.07901) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Open September 2012. |
|
Redmond,
WA King Co. United States |
NE Novelty Hill Rd. / 195th Ave. NE (47.68845, -122.07993) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.5909 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Open October 2012. ICD estimated from Google Maps linework. |
|
Cupertino,
CA Santa Clara Co. United States |
Cristo Rey Dr. / Hammond Way / Canyon Oak Way (37.33058, -122.08070) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 36.0875 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Local ICD estimated from Google Maps linework. |
|
Lake Stevens,
WA Snohomish Co. United States |
Lundeen Park Way / Callow Rd. / Lakeview Dr. / Vernon Rd. (48.01797, -122.09050) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.9553 |
Other (At-Grade) Single-Lane |
2006 | http://www1.co.snohomish.wa.us/Departments/Public_Works/Services/Roads/Projects/LundeenCallow.htm. Opened June 2006. ICD estimated from Google Maps linework. |
|
Fairfield,
CA Solano Co. United States |
Rockville Rd. / Abernathy Rd. (38.24598, -122.09074) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.4495 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
|
Lafayette,
CA Contra Costa Co. United States |
Olympic Blvd. / Pleasant Hill Rd. (37.88604, -122.09300) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2017 | Yield-controlled right-turn bypass lanes on north and east legs. Painted splitter island on south leg. |
|
Lake Stevens,
WA Snohomish Co. United States |
SR 92 / 99th Ave NE (48.02885, -122.09804) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.5396 |
Other (At-Grade) Single-Lane |
2013 | Reverse curves on east and west approaches. Open November 2013. ICD estimated from Google Maps linework. |
|
Bellevue,
WA King Co. United States |
W Lake Sammamish Pkwy SE / I-90 WB Ramps (47.56690, -122.09947) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 139.9998 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2013 | Open November 2013. Raindrop shape. |
|
Bellevue,
WA King Co. United States |
W. Lake Sammamish Pkwy. SE / Lakemont Blvd. SE (47.56776, -122.09980) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.4567 |
Other (At-Grade) Single-Lane |
1997 | Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Lake Stevens,
WA Snohomish Co. United States |
Lundeen Parkway / Soper Hill Rd. (48.01557, -122.10010) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 29.5601 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | ICD estimated from Google Maps linework. |
|
Snohomish,
WA Snohomish Co. United States |
Ave. D / Bickford Ave. / 15th St. (47.93037, -122.10101) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 79.2238 |
Other (At-Grade) Single-Lane |
2014 | Open July 2014. ICD estimated from Google Maps linework. |
|
Snohomish,
WA Snohomish Co. United States |
SR 9 / Bickford Ave. (47.93379, -122.10107) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2022 | WSDOT safety project that was completed in early Sept 2022. Includes right-turn bypass lane for NB to EB movement |
|
Covington,
WA King Co. United States |
SE Wax Rd. / 180th Ave. SE / SE 267th Pl. (47.36216, -122.10200) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 53.3935 |
Other (At-Grade) Single-Lane |
2008 | September 2008. ICD estimated from Google Maps linework. |
|
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 |
|
Lake Stevens,
WA Snohomish Co. United States |
Lake Dr. / 29th St. NE (48.02479, -122.10383) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2017 | |
|
Auburn,
WA King Co. United States |
SE 392nd St. / (parking lot) (47.24986, -122.10399) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.3750 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
|
Lake Stevens,
WA Snohomish Co. United States |
N Davies Rd. / Frontier Village Access Rd. (48.00472, -122.10462) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2012 | Painted splitter islands. Open July 2012. |
|
Lake Stevens,
WA Snohomish Co. United States |
N Davies Rd. / Vernon Rd. / Frontage Rd. (48.00477, -122.10589) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | Originally opened July 2012. Shifted to east 2022-2023 as part of construction of SR 9/Vernon Rd roundabout. |
|
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 45.7200 |
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 / Vernon Rd. (48.00461, -122.10670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2023 | https://www.youtube.com/watch?v=5RRqjCCJjRc |
|
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 |
|
Redmond,
WA King Co. United States |
NE 116th St. / 172nd Ave. NE (47.70403, -122.11106) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.5420 |
Other (At-Grade) Single-Lane |
2015 | Open April 2015. ICD estimated from Google Maps linework. |
|
Marysville,
WA Snohomish Co. United States |
SR 9 / 84th St. NE / Getchell Rd. (48.07196, -122.11135) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2014 | Right-turn-only lanes on all four legs. Open October 2014. |
|
Palo Alto,
CA Santa Clara Co. United States |
E Meadow Dr. / Ross Rd. (37.42600, -122.11139) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 13.2785 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
|
Marysville,
WA Snohomish Co. United States |
SR 9 / 108th St NE (48.09180, -122.11180) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2018-2020). |
|
Covington,
WA King Co. United States |
172nd Ave. SE / SE 270th Pl. (47.35939, -122.11240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.7885 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
|
Arlington,
WA Snohomish Co. United States |
SR 531 (172nd St NE) / SR 9 (48.15166, -122.11325) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.6373 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Open October 2012. ICD estimated from Google Maps linework. |
|
Covington,
WA King Co. United States |
168th Pl. SE / Fred Meyer Entrance (47.35698, -122.11680) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 105.1794 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | November 2008. Entrance into Fred Meyer shopping center. ICD estimated from Google Maps linework. |
|
Covington,
WA King Co. United States |
168th Pl. SE / Costco Entrance (47.35463, -122.11860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6463 |
Other (At-Grade) Single-Lane |
2008 | November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework. |
|
Lake Stevens,
WA Snohomish Co. United States |
Soper Hill Rd. / 83rd Ave. NE (48.02162, -122.11931) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.8600 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2020 | https://www.heraldnet.com/news/soper-hill-roundabout-and-pedestrian-trail-work-wraps-up/ |
|
Eastgate,
WA King Co. United States |
SE Newport Way / 164th Ave. SE (47.57236, -122.12142) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.5072 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | https://dev.bellevuewa.gov/sites/default/files/media/pdf_document/levy-164th-SE-newport-way-roundabout-mailer-2018.pdf |
|
Redmond,
WA King Co. United States |
NE 76th St. / 164th Ave. NE (47.67214, -122.12180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 99.7242 |
Other (At-Grade) Single-Lane |
2012 | Oblong shape. Connected two T-intersections on either side of median to allow crossing and left-turn movements. Open December 2012. ICD estimated from Google Maps linework. |
|
Covington,
WA King Co. United States |
SE 256th St. / 164th Ave. SE (47.37256, -122.12290) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.1477 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Open September 2007. ICD estimated from Google Maps linework. |
|
Redmond,
WA King Co. United States |
NE 116th St. / 162nd Ave. NE (47.70420, -122.12313) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 116.5413 |
Other (At-Grade) Single-Lane |
2014 | Open May 2014. ICD estimated from Google Maps linework. |
|
Arlington,
WA Snohomish Co. United States |
E. Division St. / N. Broadway St. (48.19858, -122.12530) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.8824 |
Other (At-Grade) Single-Lane |
2002 | September 2002. ICD estimated from Google Maps linework. |
|
Arlington,
WA Snohomish Co. United States |
204 St. NE / 77th Ave. NE (48.18082, -122.12637) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | Elliptical shaped. http://www.arlingtonwa.gov/643/204th-St-NE-77th-Avenue-NE-Roundabout |
|
Arlington,
WA Snohomish Co. United States |
W. Division St. / N. West Ave. (48.19864, -122.12800) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.8628 |
Other (At-Grade) Single-Lane |
2002 | September 2002. ICD estimated from Google Maps linework. |
|
Bellevue,
WA King Co. United States |
SE 46th Way / 157th Ave. SE (47.56285, -122.13218) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
|
Redmond,
WA King Co. United States |
152nd Ave. NE / NE 36th Pl. / NE 31st St. (47.63828, -122.13550) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.3615 |
Other (At-Grade) Single-Lane |
2010 | Near Microsoft campus. Moderate ped/bike volumes. ICD estimated from Google Maps linework. |
|
Kendall,
WA Whatcom Co. United States |
SR 542 / SR 547 (Kendall Corner) (48.91692, -122.13767) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.5337 |
Other (At-Grade) Single-Lane |
2015 | Open September 2015. ICD estimated from Google Maps linework. |
|
Woodinville,
WA King Co. United States |
SR 202 / Village Dr. / NE 144th St. (47.73111, -122.14040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.4048 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Constructed as single-lane roundabout in October 2009 and expanded to include second lane northbound in 2021. |
|
Woodinville,
WA King Co. United States |
SR 202 / NE 145th St. / 148th Ave. NE (47.73271, -122.14220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2009 | October 2009. |
|
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 |
|
Woodinville,
WA King Co. United States |
SR 202 / (parking) (47.73280, -122.14400) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2009 | October 2009. |
|
Bellevue,
WA King Co. United States |
Landerholm Rd. / South Perimeter Cir. (47.58438, -122.14600) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.8343 |
Other (At-Grade) Single-Lane |
2003 | Opened July 2003. Entrance to Bellevue Community College. ICD estimated from Google Maps linework. |
|
Renton,
WA King Co. United States |
SE 176th St. / SE 171st Way (47.44500, -122.14831) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.4239 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework. |
|
Palo Alto,
CA Santa Clara Co. United States |
Park Blvd. / Park Ave. (37.43076, -122.14980) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 24.6585 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
|
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 |
|
Orinda,
CA Contra Costa Co. United States |
Hall Dr. / Donald Dr. (37.86411, -122.15310) |
Traffic Calming Circle Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 17.9148 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
|
Palo Alto,
CA Santa Clara Co. United States |
Addison Ave. / Bryant St. (37.44197, -122.15540) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 15.1722 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
|
Eastgate,
WA King Co. United States |
SE 40th St. / 138th Ave. SE (47.57459, -122.15670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.2865 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework. |
|
Palo Alto,
CA Santa Clara Co. United States |
Lytton Ave. / Fulton St. (37.45214, -122.15750) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 9.4813 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. |