City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Seattle,
WA King Co. United States |
Burke Ave. N / N 35th St. (47.64919, -122.33510) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 9.6550 |
Other (At-Grade) Unknown |
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. |
Bellingham,
WA Whatcom Co. United States |
Cordata Pkwy. / Kellogg Rd. (48.79511, -122.49170) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.3384 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | Primary access to Whatcom Community College. Functional Class: Arterial ICD estimated from Google Maps linework. |
Federal Way,
WA King Co. United States |
Weyerhaeuser Way S / S 336th St. (47.30262, -122.29650) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2004 | Opened July 2004. Painted spirals in circulatory roadway to guide all three left turns to outer circulating lane. |
Seattle,
WA King Co. United States |
Interlake Ave. N / N 39th St. (47.65411, -122.34130) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 14.4811 |
Other (At-Grade) Unknown |
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 |
18th Ave. / Irving St. (46.19221, -119.19620) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.1649 |
Other (At-Grade) Single-Lane |
2006 | New roads/intersection in subdivision - completed February 2006. Functional Class: Local 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 |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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 | |
Port Orchard,
WA Kitsap Co. United States |
Mile Hill Dr. (Hwy 166) / Bethel Ave. (47.53467, -122.62730) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.7045 |
Other (At-Grade) Single-Lane |
1998 | Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
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. |
Seattle,
WA King Co. United States |
26th Ave. S / S. Judkins St. (47.59209, -122.29900) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 20.9420 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
24th Ave. S / S. Norman St. (47.59301, -122.30120) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 41.0778 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
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. |
Federal Way,
WA King Co. United States |
Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S (47.29863, -122.29280) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.6385 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
17th Ave. E. / E. Spring St. (47.61153, -122.31020) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 5.6361 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
Seattle,
WA King Co. United States |
40th Ave. SW / SW Manning St. (47.57122, -122.38250) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 7.2520 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
28th Ave. NE / NE Hiram Pl. / NE 120th St. (47.71572, -122.29810) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 164.7289 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
24th Ave. S / S. Dearborn St. (47.59557, -122.30120) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 13.6919 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
25th Ave. S / S Dearborn St. (47.59556, -122.30010) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
0 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2006 | |
Seattle,
WA King Co. United States |
26th Ave. S / S. Dearborn St. (47.59555, -122.29880) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 48.3244 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Olympic Blvd. (47.22188, -122.55790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.1454 |
Other (At-Grade) Single-Lane |
1997 | Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
27th Ave. / Union St. / Southridge Blvd / W Creekstone Dr. (46.18497, -119.18040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.5168 |
Other (At-Grade) Single-Lane |
2000 | Completed August 25, 2000. Right-turn bypass on WB approach. Was 3-leg intersection; fourth leg added to west as part of project. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
61st Ave. S / S Norfolk St. (47.51337, -122.25705) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2006 | |
Seattle,
WA King Co. United States |
34th Ave. SW / SW Henderson St. (47.52286, -122.37530) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 42.7458 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Moses Lake,
WA Grant Co. United States |
Yonezawa Blvd. / S. Division St. / W. Belmont Ave. (47.10438, -119.27860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.0857 |
Other (At-Grade) Single-Lane |
2001 | Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Linden Ave. N / N. 42nd St. (47.65774, -122.34850) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 56.3115 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
44th Ave. SW / SW College St. (47.58301, -122.38780) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 37.0576 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
30th Ave. SW / SW Cloverdale St. (47.52648, -122.37120) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 64.5176 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
42nd Ave. SW / SW Hinds St. (47.57318, -122.38570) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 9.6690 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
61st Ave. S / S. Cooper St. (47.51166, -122.25710) |
Traffic Calming Circle Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2006 | |
Ridgefield,
WA Clark Co. United States |
S. Royle Rd. / Settler Dr. (S 45th Ave. / S 3rd Way) (45.81379, -122.70283) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | This is the 5th roundabout in the City of Ridgefield. |
Spokane Valley,
WA Spokane Co. United States |
SR 290 (E Trent Ave.) / Barker Rd. (47.69983, -117.15503) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | Open to westbound traffic week of September 24, 2021. Fourth approach for north leg to be added at a later date by private developer. |
Spokane,
WA Spokane Co. United States |
Geiger Blvd. / Flightline Blvd. / Grove Rd. (47.62207, -117.50621) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.0248 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | Opened September 2021. |
Federal Way,
WA King Co. United States |
19th Ave. SW / SW 353rd Pl. (47.28501, -122.35852) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.9456 |
Other (At-Grade) Single-Lane |
2020 | |
Richland,
WA Benton Co. United States |
Kingsgate Way / Clubhouse Ln. (46.32401, -119.31763) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | |
Richland,
WA Benton Co. United States |
Van Giesen St. / Thayer Dr. (46.29305, -119.29005) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 21.3348 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | https://www.tri-cityherald.com/news/local/article252660108.html |
Richland,
WA Benton Co. United States |
Trowbridge Blvd. / Bella Coola Ln. (46.22162, -119.33794) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | |
Richland,
WA Benton Co. United States |
Trowbridge Blvd. / Ava Way (46.22128, -119.33547) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2021 | |
Richland,
WA Benton Co. United States |
Stevens Center Pl. / Garlick Blvd. (46.32080, -119.28021) |
Other Existing |
All-Way Stop Unknown |
4 Approaches 0 Driveways 73.1520 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1996 | These are private streets. |
Richland,
WA Benton Co. United States |
Cortona Way / Lazio Way (46.21888, -119.29691) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | |
Richland,
WA Benton United States |
Cortona Way / Clover Rd. (46.21790, -119.29939) |
Traffic Calming Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2021 | |
Walla Walla,
WA Walla Walla Co. United States |
SR 125 (S 9th Ave.) / Plaza Way / Dalles Military Rd. (46.05106, -118.34665) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | https://www.union-bulletin.com/news/plaza_way/plaza-way-series-finale-plaza-way-roundabout-now-open-in-walla-walla/article_e9911e32-ff9c-11eb-b109-b3d0abf1824e.html |
Spokane,
WA Spokane Co. United States |
E Sharp Ave. / N Cincinnati St. (47.66954, -117.39816) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2020 | Sharrows in circulatory roadway. |
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/ |
Othello,
WA Adams Co. United States |
SR 24 (Radar Rd.) / W Bench Rd. (46.79674, -119.17656) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2020 | Elliptical shaped. ICD = 120 ft x 115 ft. |
Ballajura,
WA Swan Australia |
Marangaroo Dr. / Illawarra Crescent (-31.83313, 115.88571) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Marangaroo,
WA Wanneroo Australia |
Mirrabooka Ave. / Rawlinson Dr. / (parking) (-31.82890, 115.85225) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
Alexander Heights,
WA Wanneroo Australia |
The Avenue / Azelia St. (-31.83037, 115.86644) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways |
Other (At-Grade) Single-Lane |
||
Girrawheen,
WA Wanneroo Australia |
Mirrabooka Ave. / Montrose Ave. / Koondoola Ave. (-31.84213, 115.85527) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
Balga,
WA Stirling Australia |
Balga Ave. / Walderton Ave. (-31.85565, 115.84360) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Westminster,
WA Stirling Australia |
Arkana Rd. / Princess Rd. (-31.86651, 115.83551) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways |
Other (At-Grade) Single-Lane |
||
Westminster,
WA Stirling Australia |
Arkana Rd. / Walderton Ave. (-31.86642, 115.84080) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |