Roundabouts Database

27805 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Lima, OH
Allen Co.
United States 		SR 309 / S Thayer Rd.
(40.73112, -84.01320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 https://www.hometownstations.com/news/saving-lives-is-the-goal-of-allen-countys-two-new-roundabouts-on-state-route-309/article_f37f2a24-1d8c-11ed-abd6-fbf254cf9124.html
Harrod, OH
Allen Co.
United States 		SR 309 / S Napoleon Rd.
(40.73202, -83.93435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 https://www.hometownstations.com/news/saving-lives-is-the-goal-of-allen-countys-two-new-roundabouts-on-state-route-309/article_f37f2a24-1d8c-11ed-abd6-fbf254cf9124.html
Lincoln, NE
Lancaster Co.
United States 		S Folsom St. / W Palm Canyon St.
(40.75232, -96.73030) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 Striped out shoulder on right side of north and south entries. https://www.lincoln.ne.gov/City/Departments/LTU/LTU-Projects/LOTM/Projects/Growth/Folsom-at-Old-Cheney
Maple Grove, MN
Hennepin Co.
United States 		Territorial Rd. / Fernbrook Ln. N
(45.14293, -93.46214) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 Elliptical shaped. ICD = 105 ft x 100 ft. https://maplegrovevoice.com/f/project-update-fernbrook-lane-territorial-road-intersection
Middlesboro, KY
Bell Co.
United States 		SR 2079 (Winchester Ave.) / SR 2401 (S Petersborough Ave.)
(36.60367, -83.72960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022
Acworth-Kennesaw, GA
Cobb Co.
United States 		W Sandtown Rd. / Villa Rica Rd.
(33.92703, -84.63775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2008
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
Dawsonville, GA
Dawson Co.
United States 		SR 9E (Lumpkin Campground Rd.) / SR 318 (Dawson Forrest Rd.)
(34.35427, -84.05168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006
Oakwood, GA
Hall Co.
United States 		Landrum Education Dr. / Frontage Rd. / Mathis Dr.
(34.23434, -83.86434) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2007 Gainesville College.
(unincorporated), MI
Livingston Co.
United States 		Kensington Rd. / Jacoby Rd.
(42.55436, -83.69828) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010).
Clearwater, FL
Pinellas Co.
United States 		Fairmont Ave. / Fulton St.
(27.98243, -82.79311) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008 Opened May 2008.
Clearwater, FL
Pinellas Co.
United States 		Richards Ave. / Baker Ave. / Casler Ave.
(27.96847, -82.76841) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2002
Clearwater, FL
Pinellas Co.
United States 		Palmetto St. / MLK Ave. (N Greenwood Ave.)
(27.97542, -82.79176) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2004
Clearwater, FL
Pinellas Co.
United States 		Cleveland St. / Lake Dr.
(27.96550, -82.77112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2008
Clearwater, FL
Pinellas Co.
United States 		Cleveland St. / Saturn Ave.
(27.96544, -82.76489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2008
Montana City, MT
Lewis and Clark Co.
United States 		SR 282 / Jackson Creek Rd.
(46.54082, -111.94824) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2007 Opened October 2007.
Missoula, MT
Missoula Co.
United States 		Union Pacific St. / O'Leary St. / Clark Fork Ln.
(46.88880, -114.04560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2003
Lee's Summit, MO
Jackson Co.
United States 		Bridlewood Dr. / Lewis Dr.
(38.91375, -94.44021) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2007
Forest Hill, MD
Harford Co.
United States 		MD 23 / Commerce Rd.
(39.57390, -76.37067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route.
Cabazon, CA
Riverside Co.
United States 		Apache Trl. / Thunder Rd. / Seminole Dr. / I-10 WB Ramps
(33.92192, -116.80610) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
79.2480 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2008 Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html.
Lihue, HI
Kauai Co.
United States 		Pikake St. / Kauila St. / Nawiliwili Rd.
(21.96538, -159.37974) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008
Bozeman, MT
Gallatin Co.
United States 		Baxter Ln. / Ferguson Ave.
(45.70024, -111.09310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2003
Bozeman, MT
Gallatin Co.
United States 		Laurel Pkwy. / Annie St.
(45.68916, -111.11383) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003
Bozeman, MT
Gallatin Co.
United States 		Laurel Pkwy. / Glenellen Dr. / Sherwood Way
(45.69050, -111.11401) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003
Kalispell, MT
Flathead Co.
United States 		(shopping center entrance) / (parking lot)
(48.23521, -114.33170) 		Other
Existing 		Uncontrolled
Unknown 		0 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2005
Cedar Falls, IA
Blackhawk Co.
United States 		Cedar Heights Dr. / Viking Rd.
(42.48899, -92.41638) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2007 Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007.
The Villages, FL
Sumter Co.
United States 		Morse Blvd. / Bonita Blvd.
(28.87963, -81.96627) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006
Newnan, GA
Coweta Co.
United States 		E Broad St. / Lower Fayetteville Rd. / Greison Trl. / E Newman Rd.
(33.36807, -84.77920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Opened Oct. 28, 2008. $520,838 construction cost.
Hutchinson, KS
Reno Co.
United States 		E 56th Ave. / N Plum St.
(38.11560, -97.92245) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2009 Completed September 2009.
Lawrence, KS
Douglas Co.
United States 		N Kasold Dr. / Tillerman Dr.
(38.99010, -95.27911) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Opened October 2007.
Lawrence, KS
Douglas Co.
United States 		N Kasold Dr. / Grand Vista Dr.
(38.99325, -95.27913) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Opened October 2007.
Lawrence, KS
Douglas Co.
United States 		Bauer Farm Dr. / Champion Ln.
(38.97244, -95.30301) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2009 Completed June 2009 as part of new development.
Lawrence, KS
Douglas Co.
United States 		Overland Dr. / Stoneridge Dr.
(38.97513, -95.32109) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Completed as part of new development.
Florence, KS
Marion Co.
United States 		US 50 / US 77 / W 8th St.
(38.24389, -96.93655) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Single-Lane 		2006 Opened September 2006.
Fredonia, KS
Wilson Co.
United States 		US 400 / K-47 (E Washington St.)
(37.52994, -95.80176) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2009 Opened October 2009.
Arkansas City, KS
Cowley Co.
United States 		US 77 / US 166 (E Kansas Ave.)
(37.07788, -97.02448) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Single-Lane 		2009 Opened October 2009. BTE jurisdiction.
Basehor, KS
Leavenworth Co.
United States 		155th St. / Pinehurst Dr. / Briar Rd.
(39.11526, -94.93861) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2004 City jurisdiction. Merging right-turn bypass lane on north leg.
Emporia, KS
Lyon Co.
United States 		W 18th Ave. / Graphic Arts Rd.
(38.41962, -96.22618) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. BTE jurisdiction.
Emporia, KS
Lyon Co.
United States 		(connector to US 50) / I-35 Ramps
(38.41494, -96.22918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
97.5360 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008.
Champaign, IL
Champaign Co.
United States 		Crabapple Ln. / Sandcherry Dr.
(40.09553, -88.32968) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Blaine, WA
Whatcom Co.
United States 		SR 548 (Grandview Rd.) / Blaine Rd. / (parking)
(48.89206, -122.72655) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2010 September 2010. Merging right-turn bypass lane on south leg. Right-turn-oinly lane on north leg.
Burlington, WA
Skagit Co.
United States 		N Burlington Blvd. / (parking)
(48.48060, -122.33544) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 October 2008. Entrance to high school.
Burlington, WA
Skagit Co.
United States 		SR 11 (Chuckanut Dr.) / I-5 SB Ramps / Josh Wilson Rd.
(48.48585, -122.33867) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Right-turn-only lanes on east and west legs. Replaced two T-intersections. September 2010.
Burlington, WA
Skagit Co.
United States 		SR 11 (Chuckanut Dr.) / I-5 NB Ramps / Old Hwy 99
(48.48359, -122.33559) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 October 2010. Right-turn-only lanes on south and east legs. Merging right-turn-bypass lane on west leg.
Deer Park, WA
Spokane Co.
United States 		S Main St. / W H St. / E H St.
(47.94695, -117.47693) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 October 2010. Broke ground July 26, 2010.
Deer Park, WA
Spokane Co.
United States 		E Crawford Ave. / Weber Rd.
(47.95444, -117.45384) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2009 September 2009.
Gig Harbor, WA
Thurston Co.
United States 		Harbor Hill Dr. / (parking)
(47.35845, -122.60116) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 January 2008.
Lacey, WA
Thurston Co.
United States 		(unknown) / (unknown)
(47.04571, -122.76216) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2007 Serves Lacey Regional Athletic Center. July 2007.
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.
Lynnwood, WA
Snohomish Co.
United States 		Ash Way / 18th Ave. SW
(47.85489, -122.25737) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2009 October 2009.
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.
Monroe, WA
Snohomish Co.
United States 		Country Crescent SE / County Crescent SE
(47.86547, -121.96140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2002 July 2002.
North Bend, WA
King Co.
United States 		E North Bend Way / SE Cedar Falls Way / (parking)
(47.49096, -121.77876) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2008 August 2008.
Olympia, WA
Thurston Co.
United States 		Capitol Way N / Market St. NE / Corky Ave. NW / (parking)
(47.05005, -122.90244) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1995 Painted splitter islands. June 1995.
Olympia, WA
Thurston Co.
United States 		Jefferson St SE / 14th Ave. SE
(47.03555, -122.89581) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010 Double-left turn from north leg; double-right turn from south leg. October 2010.
Olympia, WA
Thurston Co.
United States 		Yelm Hwy SE / Brassfield Rd. SE
(47.00372, -122.87309) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2011 May 2011.
Olympia, WA
Thurston Co.
United States 		18th Ave. SE / Fones Rd. SE
(47.03250, -122.84697) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Double-right turn on north leg. October 2010.
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
Port Townsend, WA
Jefferson Co.
United States 		SR 20 (Sims Way) / Howard St. / Evans Vista
(48.10260, -122.80500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2010 April 2010.
Port Townsend, WA
Jefferson Co.
United States 		SR 20 (Sims Way) / Thomas St.
(48.10333, -122.79891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2010 July 2010.
Puyallup, WA
Pierce Co.
United States 		15th Ave. SE / 3rd St. SE
(47.17741, -122.29100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2010 June 2010.
Renton, WA
King Co.
United States 		N 10th St. / N 10th Pl.
(47.49781, -122.20468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008 June 2008.
Richland, WA
Benton Co.
United States 		Lee Blvd. / The Parkway
(46.27484, -119.27433) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2002 No splitter islands on north and south legs. Year Completed estimated (1996-2003).
Sedro-Woolley, WA
Skagit Co.
United States 		SR 9-SR 20 (Cascade Loop) / Patrick St. / Skagit Way
(48.51051, -122.24156) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Elliptical shaped. ICD = 120 ft x 105 ft. August 2009. ICD estimated from Google Maps linework.
Selah, WA
Yakima Co.
United States 		Gore Rd. / Selah Loop Rd.
(46.67943, -120.53061) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 August 2008. Replaced triangle intersection.
Sequim, WA
Clallam Co.
United States 		W Washington St. / S 9th Ave.
(48.07909, -123.12400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 May 2007.
Snoqualmie, WA
King Co.
United States 		North Bend Way / (Snoqualmie Casino entrance)
(47.51671, -121.84100) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 Through bypass lane on west leg. October 2008. ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		W Pacific Ave. / S Cannon St.
(47.65555, -117.44160) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006 No splitter islands on north and south legs. Pedestrian crossings within circulatory roadway. April 2006.
Spokane Valley, WA
Spokane Co.
United States 		E Montgomery Dr. / E Mansfield Ave.
(47.67753, -117.24790) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2009 April 2009.
Spokane Valley, WA
Spokane Co.
United States 		Flora Rd. / E Mission Ave. / E Indiana Pkwy. - E Mission Pkwy.
(47.67154, -117.17516) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2010 E Indiana Pkwy is west leg entrance; E Mission Pkwy is west leg exit. November 2010.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Tumwater Blvd. SW
(46.98283, -122.93544) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2009 July 2009.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Israel Rd. SW / 70th Ave. SW
(46.98554, -122.93236) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2009 October 2009.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Odegard Rd. SW
(46.98985, -122.92650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010 June 2010.
Tumwater, WA
Thurston Co.
United States 		Littlerock Rd. SW / Kingswood Dr. SW
(46.99435, -122.92190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2010 September 2010.
Vancouver, WA
Clark Co.
United States 		NE 10th Ave. / NE 136th St. / Clark Ave.
(45.71980, -122.66037) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011 Clark Ave. is one way exit. May 2011.
Walla Walla, WA
Walla Walla Co.
United States 		Myra Rd. / W Pine St. / Heritage Rd.
(46.06841, -118.36972) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.3880 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 December 2008.
Walla Walla, WA
Walla Walla Co.
United States 		Myra Rd. / SR 12 EB Ramps
(46.06933, -118.36979) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Raindrop shaped. July 2010. ICD estimated from Google Maps linework.
Walla Walla, WA
Walla Walla Co.
United States 		Myra Rd. / SR 12 WB Ramps
(46.07040, -118.36987) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2010 Raindrop shaped. July 2010.
Wenatchee, WA
Chelan Co.
United States 		Riverside Dr. / Island View
(47.43461, -120.31477) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		2009 Painted splitter islands. October 2009.
East Wenatchee, WA
Douglas Co.
United States 		Grant Rd. / Airport Way / Urban Industrial Dr.
(47.40592, -120.20780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2010 Add-lane right-turn bypass lanes on north and west legs. July 2010.
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.
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.
Woodland, WA
Cowlitz Co.
United States 		Insel Rd. / Willow St.
(45.92237, -122.73400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2009 June 2009.
Woodland, WA
Cowlitz Co.
United States 		Dike Access Rd. / Schurman Way / (parking)
(45.92664, -122.75957) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012
Woodland, WA
Cowlitz Co.
United States 		Dike Access Rd. / I-5 NB Ramps
(45.92780, -122.75522) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Raindrop shaped. December 2010.
Woodland, WA
Cowlitz Co.
United States 		Dike Access Rd. / I-5 SB Ramps
(45.92699, -122.75780) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 December 2010.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Hutchison Pl. / Sage St.
(38.53933, -121.77160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022.
Chico, CA
Butte Co.
United States 		E 1st St. / E 2nd St. / Camelia Way
(39.73168, -121.83847) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2013 Designed in tandem with conversion of First and Second Streets to a one-way couplet. Completed 2013.
Claremont, CA
Los Angeles Co.
United States 		Indian Hill Blvd. / Bonita St.
(34.09662, -117.71930) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2000 Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3)
Brighton, MI
Livingston Co.
United States 		Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr.
(42.50573, -83.75296) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006
Emporia, KS
Lyon Co.
United States 		US 50 / (connector to I-35)
(38.41225, -96.22947) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		2008 New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442
Junction City, KS
Geary Co.
United States 		East St. / E Chestnut St. / Frontage Rd. / I-70 WB Exit Ramp
(39.02176, -96.81661) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
64.0077 		Other (At-Grade)
Single-Lane 		2008 Completed November 2008 (?).
Clearwater, FL
Pinellas Co.
United States 		Cleveland St. / Corona Ave.
(27.96546, -82.75991) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2008
Williston, ND
Williams Co.
United States 		32nd Ave. W / Lewis Dr.
(48.14800, -103.66908) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2014
Williston, ND
Williams Co.
United States 		32nd Ave. W / 7th St. W
(48.15061, -103.66910) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2014
Parma, MI
Jackson Co.
United States 		W Michigan Ave. / I-94 EB Ramps
(42.26564, -84.61940) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/
Parma, MI
Jackson Co.
United States 		W Michigan Ave. / Norton Rd. / I-94 WB Ramps
(42.26653, -84.62125) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 Combined two intersections. https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/
Bismarck, ND
Burleigh Co.
United States 		43rd Ave. NE / N 19th St.
(46.85254, -100.76214) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2022
Bismarck, ND
Burleigh Co.
United States 		43rd Ave. N / N 26th St.
(46.85246, -100.75128) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2022
West Fargo, ND
Cass Co.
United States 		7th St. W / 19th Ave. W / 10th St. W
(46.85395, -96.91104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-Lane 		2018