Roundabouts Database Index

29822 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Boulder, CO Boulder Co. United States	Kings Ridge Blvd. / Franklin Dr. (40.03237, -105.23960)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4342	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Greenwood Village, CO Arapahoe Co. United States	Peoria St. / Cherry Creek Dr. (39.61015, -104.84800)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.7631	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Jefferson County Pkwy. / Civic Center (39.72717, -105.19940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9051	Other (At-Grade) Single-Lane	2000	Feeds parking lot ICD estimated from Google Maps linework.
Columbine, CO Jefferson Co. United States	S. Simms St. / W. Quincy Ave. (39.63865, -105.12860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0301	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Northglenn, CO Adams Co. United States	Melody Dr. / Kennedy Dr. (39.89222, -104.99270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6541	Other (At-Grade) Single-Lane	1999	Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rocky Mountain Ave. / Foxtrail Dr. (40.40924, -105.00230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9231	Other (At-Grade) Multilane (2 Lane, unspecified)	1994	Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rocky Mountain Ave. / McWhinney Blvd. (40.41059, -105.00230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6504	Other (At-Grade) Multilane (2 Lane, unspecified)	1994	Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Milwaukee, WI Milwaukee Co. United States	S. 6th St. / W. Virginia St. / Florida St. (43.02698, -87.91770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7816	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. 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.
Scottsdale, AZ Maricopa Co. United States	N 68th St. / E Cholla St. (33.58949, -111.93552)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2003	Completed with traffic calming project.
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.
Wisconsin Rapids, WI Wood Co. United States	STH 54 (2nd Ave.) / Gaynor Ave. / 17th Ave. (44.38025, -89.84447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3874	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Opened September 2004. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
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.
Bend, OR Deschutes Co. United States	NE 8th St. / 9th St. / Franklin Ave. (44.05600, -121.29380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7577	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Reed Market Dr. / (no cross street) (44.04080, -121.32790)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 32.6244	Other (At-Grade) Single-Lane	2004	No cross street, but U-turns allowed. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Reed Market Dr. / SW Bond St. / SW Brookswood Blvd. (44.04047, -121.31678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2003
Bend, OR Deschutes Co. United States	SW Reed Market Dr. / Mt. Bachelor Dr. (44.03830, -121.33340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2015	Other (At-Grade) Single-Lane	2002	Fourth leg was built with completion of new bridge over Deschutes River. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Reed Market Dr. / SW Alderwood Cir. (44.04054, -121.32174)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1904	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Eugene, OR Lane Co. United States	N. Terry St. / Roosevelt Blvd. (44.06371, -123.18825)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.5969	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Maple Island Rd. / Game Farm Rd. East (44.08580, -123.03510)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.7365	Other (At-Grade) Single-Lane	2002	One leg is driveway, 4th leg is future. ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	58th St. / Thurston Rd. (44.05320, -122.92640)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7507	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Maple Island Rd. / (parking lot) (44.08710, -123.03510)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1674	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Maple Island Rd. / International Way (44.08840, -123.03490)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1668	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Tamarack Resort, ID Valley Co. United States	Village Dr. / Whitewater Dr. (44.67280, -116.11770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.8771	Other (At-Grade) Single-Lane	2005	None. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Oak St. / N. 70th St. (33.47301, -111.93050)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9249	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	110th St. / Lamar Ave. (38.92910, -94.65830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.3130	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	133rd St. / Lamar Ave. (38.88654, -94.65847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1862	Other (At-Grade) Single-Lane	2006	Completed May 2006. ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	W 161st Terr. / W 163rd St. / Flint St. (38.83472, -94.71741)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.3526	Other (At-Grade) Single-Lane	2007	Built for new development. ICD estimated from Google Maps linework.
Overland Park, KS Johnson Co. United States	Santa Fe Dr. / Conser St. (38.98233, -94.67347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.2076	Other (At-Grade) Single-Lane	2004	Completed September 2004. ICD estimated from Google Maps linework.
Tampa, FL Hillsborough Co. United States	E. 4th Ave. / Channelside Dr. (27.95773, -82.44586)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.8131	Other (At-Grade) Single-Lane	1995	No deflection on one approach. ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd. (38.96655, -92.35241)	Roundabout Removed	All-Way Yield Unknown	5 Approaches 0 Driveways 94.7178	Freeway Ramps (Grade-Separated) Single-Lane	1996	First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework.
Rutherford, NJ Bergen Co. United States	Park Ave. / Erie Ave. (40.82835, -74.10118)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0152	Other (At-Grade) Single-Lane	2004	Reconstructed as roundabout in 2004? ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Balsam Ave. / 14th St. (40.02675, -105.27840)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 16.4619	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Balsam Ave. / 15th St. (40.02675, -105.27660)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 8.2310	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Kaukauna, WI Outagamie Co. United States	CTH J / US 41 SB Ramps (44.30645, -88.24948)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.8965	Freeway Ramps (Grade-Separated) Single-Lane	2010	Opened October 11, 2010. ICD estimated from Google Maps linework.
McPherson, KS McPherson Co. United States	E. 1st St. / Centennial Dr. (38.37671, -97.62996)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3878	Other (At-Grade) Single-Lane	2005	Fatal crash January 20, 2010. ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Faculty Rd. / Elm Dr. (40.33888, -74.65523)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.2209	Other (At-Grade) Single-Lane	2001	This roundabout is on University owned roads open to the public. There is a second roundabout similar in dimensions upstream on Elm Drive. Close to an at-grade rail crossing. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Carson City, NV Carson City Co. United States	E 5th St. / Fairview Dr. (39.16090, -119.72790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	1999
Hinesville, GA Liberty Co. United States	Washington Ave. / Memorial Dr. (31.84992, -81.59570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.5366	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Brookfield, WI Waukesha Co. United States	Barker Rd. (CTH Y) / North Ave. (CTH M) (43.06136, -88.16629)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9042	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Functional Class: Arterial ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Allison Pkwy. / Civic Center (39.70906, -105.08630)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 31.2390	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	Arbutus Dr. / W. 2nd Pl. (39.71649, -105.14750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5609	Other (At-Grade) Single-Lane	2001	Functional Class: Collector ICD estimated from Google Maps linework.
Coral Gables, FL Miami-Dade Co. United States	Ponce de Leon Blvd. / Greco Ave. / Ruiz Ave. (25.73047, -80.25832)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 49.4917	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Greenbelt, MD Prince Georges Co. United States	Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.4960	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-2001). ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	5th Ave. / Center Dr. (39.95764, -105.17190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1262	Other (At-Grade) Single-Lane	1999	Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	Westgate Dr. / Oakmond St. (40.48121, -104.98870)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg.
Portsmouth, VA N/A Co. United States	Crawford St. / Bart St. (36.83202, -76.29770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.8849	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Chapel Hills Dr. / Divot Trl. (38.97569, -104.77560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7116	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Functional Class: Arterial ICD estimated from Google Maps linework.
Linton Hall, VA Prince William Co. United States	Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way (38.74593, -77.58755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1911	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / US 6 (39.65630, -106.82500)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 40.4579	Other (At-Grade) Single-Lane	2001	Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	SR 89 / Willow Lake Rd. (34.59233, -112.42580)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 64.0080	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006
Bisbee, AZ Cochise Co. United States	Bisbee Rd. / SR 80 / SR 92 (31.42830, -109.89230)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 104.9686	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Kingston, NY Ulster Co. United States	I-587 / Rte 28 / I-87 Ramps / Washington Ave. (41.94362, -74.02840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2000	A 600 ft diameter traffic circle was replaced by 200 ft diameter roundabout. At Exit 19 from I-87. I-587 terminates in roundabout.
Windsor, CT Hartford Co. United States	Hayden Station Rd. / Lancaster Dr. / Center St. (41.89280, -72.63409)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.8935	Other (At-Grade) Single-Lane	1998	Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Manhattan, KS Riley Co. United States	Gary Ave. / Candlewood Dr. (39.21087, -96.61885)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.2841	Other (At-Grade) Single-Lane	1997	Considered to be the First Modern Roundabout in the State of Kansas. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Oviedo, FL Seminole Co. United States	Franklin St. / Geneva Dr. / Division St. (28.67359, -81.20439)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 34.5795	Other (At-Grade) Single-Lane	2006	Website: http://www.cityofoviedo.net/files/Roundabouts.pdf ICD estimated from Google Maps linework.
Windsor, CT Hartford Co. United States	Hayden Station Rd. / Pond Rd. (41.89371, -72.64065)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 24.0041	Other (At-Grade) Single-Lane	1998	Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV Clark Co. United States	Vista Run Dr. / Park Vista Dr. (36.17820, -115.34610)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.2741	Other (At-Grade) Single-Lane	1995	Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Windsor, CT Hartford Co. United States	Prospect Hill Rd. / Lang Rd. (41.89153, -72.69762)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.7830	Other (At-Grade) Single-Lane	1998	Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
Greenwich, CT Fairfield Co. United States	King St. / Rye Lake Ave. (41.07508, -73.70280)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006	Temporary roundabout installed May 12, 2004. Functional Class: Local.
Madison, CT New Haven Co. United States	Rte. 80 / Rte. 79 (41.35976, -72.63807)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 98.6077	Other (At-Grade) Single-Lane		Old traffic circle converted to yield on entry. ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV Clark Co. United States	Village Center Dr. / Meadow Hills Dr. (36.19350, -115.30070)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Multilane (2 Lane, 2x1 max)	1991	Add-lane right-turn bypass lane on north leg.
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.
Seymour, CT New Haven Co. United States	Rte. 188 / Rte. 334 (Great Hill Rd.) / Holbrook Rd. (41.37857, -73.12669)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8466	Other (At-Grade) Single-Lane	2016	Previous traffic circle was upgraded to modern roundabout design guidelines. 21442
Truckee, CA Nevada Co. United States	Brockway Rd. / Martis Valley Rd. (39.32135, -120.16269)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2006
Tampa (Ybor City), FL Hillsborough Co. United States	Channelside Dr. / Cumberland Ave. (27.94497, -82.44576)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	1995	Right-turn-only lane on north leg.
Clearwater, FL Pinellas Co. United States	SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout) (27.97752, -82.82709)	Roundabout Existing	All-Way Yield Metering Signal	6 Approaches 0 Driveways 68.5587	Other (At-Grade) Multilane (2 Lane, unspecified)	1999	Modified 2002-2004 to change geometry and striping, and remove fountain. 21442
Bend, OR Deschutes Co. United States	Brookswood Blvd. / Powers Rd. (44.02886, -121.32130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1961	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	C St. / O'Malley EB Ramps (61.12273, -149.88630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2006
Anchorage, AK Anchorage United States	C St. / O'Malley WB Ramps (61.12404, -149.88630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006
New London, CT New London Co. United States	Shaw St. / Howard St. / Willets Ave. (41.34284, -72.09972)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9700	Other (At-Grade) Single-Lane	2000	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.
Loveland, CO Larimer Co. United States	Plum Creek Dr. / Piney River Dr. (40.41253, -105.01850)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.0994	Other (At-Grade) Single-Lane	2001	Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MD Howard Co. United States	Golden Straw Ln. / Davis Rd. (39.21597, -76.81084)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2000	Completed April 28, 2000. Pedestrian ramps into circulatory roadway.
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.6900	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	24th Pl. / Inverness Dr. (38.94105, -95.29808)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0814	Other (At-Grade) Single-Lane	2001	Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	24th Pl. / Crossgate Dr. (38.94130, -95.28875)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.9392	Other (At-Grade) Single-Lane	2001	Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	Promontory Cir. / W 11th St. (40.41889, -104.84990)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Lawrence, KS Douglas Co. United States	E. 19th St. / Barker Ave. (38.95003, -95.23283)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 16.7188	Other (At-Grade) Single-Lane	2004	Functional Class: Arterial ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr. (26.53700, -80.16410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4660	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Peoria, AZ Maricopa Co. United States	N Sunrise Point / Sunset Point (33.75294, -112.33084)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 80.7720	Other (At-Grade) Single-Lane	2004
Phoenix, AZ Maricopa Co. United States	Pointe Pkwy. / S 48th St. (33.37162, -111.97410)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Multilane (2 Lane, unspecified)	2000
Greeley, CO Weld Co. United States	Promontory Cir. / W. 16th St. (40.41505, -104.85090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Greeley, CO Weld Co. United States	Promontory Cir. / W 18th St. (40.40869, -104.85120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6717	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Phoenix, AZ Maricopa Co. United States	23rd Ave. / W. Osborn Rd. (33.48775, -112.10840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.9372	Other (At-Grade) Single-Lane	2005	Small roundabout. ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	W 18th St. / Promontory Cir. / (parking) (40.41203, -104.85840)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Part of 6 in vicinity.
Greeley, CO Weld Co. United States	Promontory Cir. / W 16th St. / (parking) (40.41524, -104.85540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Part of 6 in vicinity.
Hutchinson, KS Reno Co. United States	23rd Ave. / Severence St. (38.07940, -97.91340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7846	Other (At-Grade) Single-Lane	2000	Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Garnett, KS Harvey Co. United States	US 59 / US 169 (38.25832, -95.24861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.8910	Other (At-Grade) Single-Lane	2006	None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Newton, KS Harvey Co. United States	Broadway St. / I-135 Ramps (38.05000, -97.32250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.1441	Freeway Ramps (Grade-Separated) Single-Lane	2003	Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Lenexa, KS Johnson Co. United States	Prairie Star Pkwy / Montecello Rd. (38.95251, -94.84398)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.0123	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Functional Class: Arterial ICD estimated from Google Maps linework.