Roundabouts Database Index

16884 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
Hope Mills, NC Cumberland Co. United States	Old Plank Rd. / I-295 NB Ramps (34.94856, -78.99181)	Roundabout Unknown	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown	2020
Hope Mills, NC Cumberland Co. United States	Old Plank Rd. / I-295 SB Ramps (34.94898, -78.99309)	Roundabout Unknown	Unknown Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown	2020
Hope Mills, NC Cumberland Co. United States	Old Plank Rd. / Black Bridge Rd. (34.94479, -78.98670)	Roundabout Unknown	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown	2020
Carthage, NC Moore Co. United States	Camp Easter Rd. / McDeeds Creek Elementary / Pope John Paul II Catholic School (35.21261, -79.38105)	Roundabout Unknown	Unknown Unknown	3 Approaches 1 Driveways	Other (At-Grade) Unknown	2019
Linwood, NC Davidson Co. United States	Belmont Rd. / Clyde Fitzgerald Rd. / Egger Pkwy. (35.74823, -80.34129)	Roundabout Unknown	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown	2019
Waxhaw, NC Union Co. United States	NC 200 (Lancaster Hwy.) / McWhorter Rd. (34.86874, -80.66471)	Roundabout Unknown	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019
Forbush, NC Yadkin Co. United States	SR 1615 (Old US 421) / SR 1711 (Speer Bridge Rd.) (36.12095, -80.54517)	Roundabout Unknown	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2020
Onalaska, WI La Crosse Co. United States	Sand Lake Rd. / County Hwy OT (43.92355, -91.23538)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019
Sidney, MT Richland Co. United States	SR 16 (S Central Ave.) / SR 200 / SR 23 (47.68440, -104.17889)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Ferndale, WA Whatcom Co. United States	SR 548 (Grandview Rd.) / Kickerville Rd. (48.89209, -122.70435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Logan, OH Hocking Co. United States	SR 328 / US 33 SB Ramps (39.52126, -82.37668)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane	2017
Indianapolis, IN Marion Co. United States	S Franklin Rd. / Thompson Rd. (39.69603, -86.01786)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane)	2019
Lei Ke Ya Nei Zhen, Lei Ka Nei Si Iceland	Bolafótur / Hjallavegur (63.98847, -22.56361)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ge Lin Da Wei Ku Zhen, Lei Ka Nei Si Iceland	Rte 43 / Gerðavellir (63.84535, -22.43505)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cedar Rapids, IA Linn Co. United States	Stoney Point Rd. NW / E Ave. NW (41.97858, -91.75502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://kwwl.com/2019/08/16/stoney-point-rd-reopens-after-months-welcoming-cedar-rapids-4th-roundabout/
Lodz, Woj. Łódzkie Lodz Poland	(unknown) / S14 SB Ramps (51.79700, 19.33578)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Aleksandrów Łódzki, Woj. Łódzkie Powiat Zgierski Poland	(unknown) / S14 NB Ramps (51.79606, 19.33982)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Unknown
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Love Ln. (45.70012, -111.14498)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.mdt.mt.gov/pubinvolve/baxterlove/status.shtml
Tallahassee, FL Leon Co. United States	Circle Dr. / Seminole Dr. (30.43047, -84.26668)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Tallahassee, FL Leon Co. United States	Circle Dr. / Alban Ave. (30.43052, -84.26422)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Anacortes, WA Skagit Co. United States	Pennsylvania Ave. / W 12th St. (48.49817, -122.65669)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010	Built for the purpose of traffic calming near a residential park area. Concrete-asphalt.
Dover, DE Kent Co. United States	Mifflin Rd. / Woodmill Dr. (39.15527, -75.55831)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2005	Painted splitter islands.
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) Mini-roundabout	2000	Completed April 28, 2000. Pedestrian ramps into circulatory roadway.
Kill Devil Hills, NC Dare Co. United States	Veterans Dr. / 6th Ave. (36.00818, -75.66412)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2003	Built for new high school.
Las Vegas, NV Clark Co. United States	Lake South / Crystal Water Way (36.13289, -115.29050)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.0796	Other (At-Grade) Single-Lane	1994	Completed August 1994. Functional Class: Collector ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach Co. United States	Lakes at Boca Raton / Cain Blvd. (26.39603, -80.21160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.3962	Other (At-Grade) Single-Lane	1994	Completed November 1994. ICD estimated from Google Maps linework.
Lisbon, MD Howard Co. United States	MD 94 / MD 144 (39.33700, -77.07360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.0933	Other (At-Grade) Single-Lane	1993	First roundabout in Maryland. Built initially as temporary, made permanent after one month. ICD estimated from Google Maps linework.
Fort Walton Beach, FL Okaloosa Co. United States	Hollywood Blvd. / Doolittle Blvd. (30.41364, -86.66468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.6896	Other (At-Grade) Single-Lane	1994	ICD estimated from Google Maps linework.
Tallahassee, FL Leon Co. United States	Killarney Way / Shamrock Dr. (30.51361, -84.22315)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.7810	Other (At-Grade) Single-Lane	1994	Completed August 1994. ICD estimated from Google Maps linework.
Bradenton Beach, FL Manatee Co. United States	SR 789 / Bridge St. (27.46500, -82.69847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.8361	Other (At-Grade) Single-Lane	1994	Completed August 1994. ICD estimated from Google Maps linework.
Short Pump, VA Goochland Co. United States	Capitol One Dr. / (unknown) (37.62693, -77.66927)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 37.8365	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara Co. United States	Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd. (34.42903, -119.67720)	Roundabout Existing	All-Way Yield None	5 Approaches 1 Driveways 23.6427	Other (At-Grade) Single-Lane	1992	Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
Boca Raton, FL Palm Beach Co. United States	SW 18th St. / Juana Rd. (SW 12th Ave.) (26.33206, -80.11059)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0977	Other (At-Grade) Single-Lane		Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1995). ICD estimated from Google Maps linework.
Vail, CO Eagle Co. United States	Vail Rd. / I-70 EB Ramps / South Frontage Rd. (39.64355, -106.37810)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 49.6620	Other (At-Grade) Multilane (2 Lane)	1995	Completed October 1995. Circular central island. ICD estimated from Google Maps linework.
Lothian, MD Anne Arundel Co. United States	MD 2 / MD 408 / MD 422 (38.82973, -76.61590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8423	Other (At-Grade) Single-Lane	1995	Completed October 1995. ICD estimated from Google Maps linework.
Elkton, MD Cecil Co. United States	MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle) (39.66364, -75.85529)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0178	Other (At-Grade) Single-Lane	1995	Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework.
Cearfoss, MD Washington Co. United States	MD 63 / MD 58 / MD 494 (Cearfoss Pk) (39.70017, -77.77593)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2431	Other (At-Grade) Single-Lane	1995	Completed December 1995. ICD estimated from Google Maps linework.
West Palm Beach, FL Palm Beach Co. United States	S. Quadrille Blvd. (El Campeon Blvd.) / Fern St. (26.71040, -80.05505)	Roundabout Removed	All-Way Yield Unknown	4 Approaches 0 Driveways 18.1370	Other (At-Grade) Multilane (2 Lane)	1997	Replaced with TWSC. Year Completed estimated (1995-1999)/ ICD estimated from Google Maps linework.
Daytona Beach, FL Volusia Co. United States	Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.) (29.22941, -81.02484)	Rotary Removed	All-Way Yield Unknown	0 Approaches 0 Driveways 42.7326	Other (At-Grade) Multilane (2 Lane)	1997	Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). ICD estimated from Google Maps linework.
Lake Worth, FL Palm Beach Co. United States	Lake Worth Ave. (SR 802) / A St. (26.61670, -80.06500)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways 42.7103	Other (At-Grade) Multilane (2 Lane)	2002	ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	8th St. S / 12th Ave. S (26.13267, -81.79491)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.2281	Other (At-Grade) Single-Lane	1996	Installed for community enhancement. ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	7th St. N. / 3rd Ave. N. (26.15530, -81.80524)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 9.6483	Other (At-Grade) Single-Lane	1998	Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework.
Tavares, FL Lake Co. United States	Main St. / Disston Ave. / Lake Dora Dr. (28.80215, -81.72475)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.9315	Other (At-Grade) Single-Lane	1996	Railroad tracks running along edge of central island. RR unprotected, train frequency 1-2/wk, 10 mph. ICD estimated from Google Maps linework.
Clovis, NM Curry Co. United States	Hwy 245 (Llano Estacado Blvd.) / Norris St. (34.43384, -103.17830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3276	Other (At-Grade) Single-Lane	2006	Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Taneytown, MD Carroll Co. United States	MD 140 / MD 832 / Antrim Blvd. (39.64809, -77.15468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4627	Other (At-Grade) Multilane (2 Lane)	1996	Completed August 1996. Curbs set for double lane, striped for single outer circulating lane. ICD estimated from Google Maps linework.
Hilton Head, SC Beaufort Co. United States	Whooping Crane Way / Main St. (32.21647, -80.72187)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.4598	Other (At-Grade) Single-Lane	1996	Completed February 1996. ICD estimated from Google Maps linework.
Addison, TX Dallas Co. United States	Mildred St. / Quorum Dr. (32.96138, -96.82592)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 49.1022	Other (At-Grade) Multilane (2 Lane)	1997	ICD estimated from Google Maps linework.
Montpelier, VT Washington Co. United States	Keck Circle (Main St. / Spring St.) (44.26283, -72.57178)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.6594	Other (At-Grade) Single-Lane	1995	Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Sarasota, FL Sarasota Co. United States	St. Armands Circle (SR 780 / Blvd. of the Presidents / John Ringling Blvd.) (27.31842, -82.57722)	Other Existing	Other None	5 Approaches 0 Driveways 118.8460	Other (At-Grade) Multilane (2 Lane)		Shopping district. Completed 1940? Functional Class: Arterial ICD estimated from Google Maps linework.
Sarasota, FL Sarasota Co. United States	South Gate Circle (Tuttle Ave. / Siesta Dr.) (27.30536, -82.51414)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 120.9825	Other (At-Grade) Unknown		Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Naples, FL Collier Co. United States	7th St. N. / 7th Ave. N. (26.15619, -81.79971)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5125	Other (At-Grade) Single-Lane	1998	Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Hollywood, FL Broward Co. United States	Hollywood Blvd. / Rainbow Dr. (26.01050, -80.18360)	Other Existing	Two-Way Stop None	4 Approaches 0 Driveways 165.2974	Other (At-Grade) Multilane (2 Lane)		Uncontrolled mainline, stop-control on side street Functional Class: Arterial ICD estimated from Google Maps linework.
Hollywood, FL Broward Co. United States	Hollywood Blvd. / 26th Ave. (26.01110, -80.15920)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways 200.7172	Other (At-Grade) Multilane (2 Lane)		Signal access to parking and building in center of circle. ICD estimated from Google Maps linework.
Hollywood, FL Broward Co. United States	Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St. (26.01150, -80.14300)	Signalized Roundabout/Circle Existing	Signal None	7 Approaches 0 Driveways 70.8411	Other (At-Grade) Multilane (2 Lane)		Signalized access, parking area in central island. ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Chandon Dr. / Calero Dr. (37.67642, -120.93380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4132	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Bowen Ave. / Fremont Ave. (37.67470, -121.00260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.9061	Other (At-Grade) Single-Lane	2002	Previously controlled by twsc ICD estimated from Google Maps linework.
Stuart, FL Martin Co. United States	S. Dixie Hwy / SR 76 / SR A1A (27.19767, -80.25266)	Other Existing	Other None	0 Approaches 0 Driveways 26.5569	Other (At-Grade) Multilane (2 Lane)		Railroad crossing next to circle. ICD estimated from Google Maps linework.
Stuart, FL Martin Co. United States	N. Colorado Ave. / E. Osceola St. (27.19860, -80.25300)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9303	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Vail, CO Eagle Co. United States	Chamonix Rd. / I-70 WB Ramps / North Frontage Rd. (39.62828, -106.42120)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 40.4743	Other (At-Grade) Multilane (2 Lane)	1997	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Vail, CO Eagle Co. United States	Chamonix Rd. / I-70 EB Ramps / South Frontage Rd. (39.62753, -106.42020)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 38.6350	Other (At-Grade) Multilane (2 Lane)	1997	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	Avon Rd. / I-70 WB Ramps (39.63782, -106.52080)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 33.1108	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Raindrop-shaped central island. ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	Avon Rd. / I-70 EB Ramps (39.63683, -106.52170)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7903	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	Avon Rd. / Beaver Creek Blvd. (39.63528, -106.52220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7109	Other (At-Grade) Multilane (2 Lane)	1997	Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	Avon Rd. / US 6 (39.63110, -106.52260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4726	Other (At-Grade) Multilane (2 Lane)	1997	Highway ref. pt. 6-170.04. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Nederland, CO Boulder Co. United States	SH 72 / SH 119 / 2nd St. / Bridge St. (39.96261, -105.51030)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 23.8006	Other (At-Grade) Single-Lane	1995	Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Tampa, FL Hillsborough Co. United States	North Blvd. / Country Club Dr. (28.05466, -82.46759)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.7559	Other (At-Grade) Single-Lane	1996	Completed June 1996. ICD estimated from Google Maps linework.
Winston-Salem, NC Forsyth Co. United States	Salem Rd. / Old Salem Rd. / S. Main St. (36.08215, -80.24149)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.2265	Other (At-Grade) Multilane (2 Lane)	2005	TIP Project U-2926. Functional Class: Arterial ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. 64th St. / E. Lafayette Blvd. (33.49474, -111.94330)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.9119	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Olmos Park, TX Bexar Co. United States	Olmos Dr. / El Prado Dr. / McCullough Ave. (29.47094, -98.49162)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 24.9549	Other (At-Grade) Single-Lane	1996	Completed July 1996. ICD estimated from Google Maps linework.
Manchester, VT Bennington Co. United States	Rte. 7A / Equinox (Grand Union) (43.17309, -73.06181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1304	Other (At-Grade) Single-Lane	1997	Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Annapolis, MD Anne Arundel Co. United States	MD 450 (West St.) / Taylor Ave. / Spa Rd. (Gateway Circle) (38.97630, -76.50486)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4954	Other (At-Grade) Multilane (2 Lane)	1999	Opened December 1999. ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Scheuring Rd. (CTH F) / US 41 NB Ramps (44.43074, -88.10989)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.3491	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	2011	Series of 6 roundabouts. Opened September 2011. Circular central island. ICD estimated from Google Maps linework.
Acworth-Kennesaw, GA Cobb Co. United States	W. Sandtown Rd. / Villa Rica Rd. (33.92703, -84.63775)	Roundabout Existing	All-Way Yield None	0 Approaches 0 Driveways 27.7478	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Durango, CO La Plata Co. United States	Jenkins Ranch Rd. / Lizard Head (south) (37.28605, -107.84710)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 24.7061	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Durango, CO La Plata Co. United States	Jenkins Ranch Rd. / Lizard Head (north) (37.28920, -107.84310)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 27.5556	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara Co. United States	Milpas St. / US 101 NB Ramps / Carpinteria St. (34.42070, -119.67810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 75.8614	Other (At-Grade) Multilane (2 Lane)	2000	Oblong central island. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05. ICD estimated from Google Maps linework.
Cottonwood, AZ Yavapai Co. United States	AZ 89A / Verde Heights Dr. (34.73999, -112.03740)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0532	Other (At-Grade) Multilane (2 Lane)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Oshkosh, WI Winnebago Co. United States	CTH E (Witzel Ave.) / Koeller St. (44.01805, -88.58098)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0845	Other (At-Grade) Multilane (2 Lane)	2010	Opened September 24, 2010. ICD estimated from Google Maps linework.
Carlsbad, CA San Diego Co. United States	Legoland Dr. / Armada Dr. (33.13229, -117.31660)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0049	Other (At-Grade) Multilane (2 Lane)	1999	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	S. Pointe Pkwy. W / S. Pointe Pkwy. E (33.37649, -111.97210)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.8650	Other (At-Grade) Single-Lane	1994	Before 1997. ICD estimated from Google Maps linework.
Douglasville, GA Douglas Co. United States	SR 5 / SR 166 (33.61361, -84.83688)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8602	Other (At-Grade) Single-Lane	2007	Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework.
(unincorporated), MD Anne Arundel Co. United States	Arundel Beach Rd. / Leelyn Dr. (39.07955, -76.54560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9594	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Brunswick, MD Frederick Co. United States	MD 17 / A St. / B St. / Maryland Ave. (39.31433, -77.62807)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 42.5054	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Scheuring Rd. (CTH F) / US 41 SB Ramps (44.43050, -88.11402)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.7308	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	2011	Series of 6 roundabouts. Opened September 2011. ICD estimated from Google Maps linework.
Catonsville, MD Baltimore Co. United States	MD 372 / Hilltop Rd. / Entrance to UMBC (39.25733, -76.71964)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1417	Other (At-Grade) Single-Lane	1998	Functional Class: Collector ICD estimated from Google Maps linework.
Lisbon, MD Howard Co. United States	MD 94 / Old Frederick Rd. (Lisbon North) (39.34810, -77.06930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7839	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Ellicott City, MD Howard Co. United States	MD 103 / MD 100 WB Ramps (39.20846, -76.78294)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.3154	Freeway Ramps (Grade-Separated) Single-Lane	1998	Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD Howard Co. United States	MD 103 / MD 100 EB Ramps (39.20733, -76.78243)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.5396	Freeway Ramps (Grade-Separated) Single-Lane	1998	Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD Howard Co. United States	Snowden River Pkwy. / MD 100 WB Ramps (39.21233, -76.79544)	Roundabout Existing	All-Way Yield Metering Signal	3 Approaches 0 Driveways 25.9105	Freeway Ramps (Grade-Separated) Single-Lane	1998	Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework.
Ellicott City, MD Howard Co. United States	MD 104 (Waterloo Rd.) / MD 100 WB Ramps (39.22470, -76.80600)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.0085	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	1999	ICD estimated from Google Maps linework.
Federalsburg, MD Caroline Co. United States	MD 307 / MD 313 / MD 318 (38.68938, -75.78949)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4247	Other (At-Grade) Single-Lane	1999	Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Ladd Circle (45.50850, -122.64940)	Other Existing	Unknown None	0 Approaches 0 Driveways 92.0689	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Cedar Lake Township, MN Scott Co. United States	SH 13 (Langford Ave.) / CR 2 (260th St.) (44.57259, -93.50546)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.9429	Other (At-Grade) Single-Lane	2005	Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Rainier, MD Prince Georges Co. United States	US 1 / 34th St. / Perry St. (38.93647, -76.96074)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.6570	Other (At-Grade) Multilane (2 Lane)	2001	Functional Class: Arterial ICD estimated from Google Maps linework.
Lutherville-Timonium, MD Baltimore Co. United States	MD 139 (Charles St.) / Bellona Ave. (39.41790, -76.62900)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 34.1385	Other (At-Grade) Multilane (2 Lane)	1999	Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Copley Township, OH Summit Co. United States	Ridgewood Rd. / Hametown Rd. (41.11395, -81.66791)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1947	Other (At-Grade) Single-Lane	2006	Opened August 21, 2006. ICD estimated from Google Maps linework.
Decatur, GA DeKalb Co. United States	N. Decatur Rd. / Lullwater Rd. (33.78700, -84.32900)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 90.3283	Other (At-Grade) Single-Lane	2004	Functional Class: Arterial ICD estimated from Google Maps linework.
Durango, CO La Plata Co. United States	Jenkins Ranch Rd. / Ophir Dr. (37.28321, -107.85120)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 26.6075	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Huntsville, AL Madison Co. United States	Old Monrovia Rd. / Providence Main St. / Indian Creek Rd. (34.75765, -86.68776)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3429	Other (At-Grade) Single-Lane	2004	Single-lane with right-turn only lanes. Built as staged construction with potential to be multilane. ICD estimated from Google Maps linework.
Camp Verde, AZ Yavapai Co. United States	Middle Verde / Cliff Castle (34.60927, -111.86130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.3535	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.