Roundabouts Database Index

11205 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
Avon, CO Eagle 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 Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Raindrop-shaped central island. ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach United States	Hagen Ranch Rd. / Charleston Shores Blvd. (26.56520, -80.15560)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 23.5012	Other Single-Lane	1998	ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce 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 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.
Eagle, CO Eagle 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 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.
Alpine, UT Utah United States	Canyon Crest Rd. / Alpine Hwy. (S. Main St.) (40.44784, -111.77840)	Roundabout Existing	Uncontrolled Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 42.7174	Other Single-Lane	2003	Free-merge, active pedestrian warning Functional Class: Major Arterial ICD estimated from Google Maps linework.
Vernon, BC North Okanagan Regional District Canada	30th Ave. / 31st Ave. (50.26386, -119.28024)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 22.9043	Other Single-Lane	2004	ICD estimated from Google Maps linework.
Olympia, WA Thurston United States	Olympic Way NW / 4th Ave. W / 5th Ave. W (47.04422, -122.91200)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 38.2512	Other Multilane (2 Lane)	2004	Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Olympia, WA Thurston United States	Olympic Way NW / Harrison Ave. NW / W Bay Dr. NW (47.04582, -122.91330)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 34.9947	Other Multilane (2 Lane)	2004	Opened March 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Jockvale Rd. / Fable St. / Weybridge Dr. (45.27378, -75.76441)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 32.7784	Other Single-Lane	2007	Functional Class: Major Collector ICD estimated from Google Maps linework.
Dalton Gardens, ID Kootenai United States	4th St. / Hanley Ave. (47.72981, -116.77610)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 32.1335	Other Single-Lane	2009	ICD estimated from Google Maps linework.
Missoula, MT Missoula Co. United States	N Orange St. / N 5th St. / I-90 EB Ramps (46.87980, -113.99314)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 45.7162	Freeway Ramps Single-Lane	2017	Completed June 2017. ICD estimated from Google Maps linework.
Los Angeles, CA Los Angeles Co. United States	N San Fernando Rd. / N Figueroa St. (34.08149, -118.22572)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 37.5893	Unknown Multilane (2 Lane)	2017	Estimated opening January or March 2017. ICD estimated from Google Maps linework.
Fruita, CO Mesa Co. United States	CO-340 / I-70 EB Ramps / I-70 Frontage Rd. (39.15470, -108.73769)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 40.7499	Freeway Ramps Multilane (2 Lane)	2009	ICD estimated from Google Maps linework.
Sterling, MA Worcester Co. United States	Leominster Rd. (Rte 12) / I-190 SB Ramps (42.46038, -71.74610)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 41.4121	Freeway Ramps Single-Lane	2018	RRFB ICD estimated from Google Maps linework.
Charlottetown, PE Queens Canada	Capital Dr. (Trans-Canada Hwy.) / Upton Rd. / Maypoint Rd. (46.26149, -63.16922)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 51.1947	Other Multilane (2 Lane)	2016	Right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
West Jordan, UT Salt Lake Co. United States	8200 S / Fall Oak Dr. (40.60225, -112.03816)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 27.2037	Other Single-Lane	2014	Reduced speed school zone flashers. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Lehi, UT Utah United States	Main St. (Hwy 73) / N 500 W (Hwy 197) (40.38755, -111.85710)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 30.9296	Other Single-Lane	2003	Railroad approx. 400 feet from roundabout. Traffic is backed up on Main St. at all locations including the RR xing and roundabout - high growth and no other traffic options to and from freeway. ICD estimated from Google Maps linework.
Cabazon, CA Riverside United States	Apache Trl. / I-10 EB Ramps (33.92071, -116.80680)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	3 Approaches 0 Driveways 54.5087	Freeway Ramps Multilane (2 Lane)	2008	Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity. ICD estimated from Google Maps linework.
Blaine, WA Whatcom United States	I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 26.6422	Freeway Ramps Single-Lane	2010	May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework.
Kinston, NC Lenoir United States	King St. (NC 55) / MLK Jr. Blvd. (NC 11) / S Tiffany St. (35.25871, -77.57288)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 46.8112	Other Multilane (2 Lane)	2011	At-grade railroad crossings 310 ft from roundabout on west leg and 330 ft from roundabout on south leg. ICD estimated from Google Maps linework.
Prairie du Chien, WI Crawford Co. United States	S Marquette Rd. / E Blackhawk Ave. (43.05193, -91.14100)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 40.1459	Other Multilane (2 Lane)	2014	Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework.
Prairie du Chien, WI Crawford Co. United States	S Marquette Rd. / E Wisconsin St. (43.05037, -91.14098)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 33.1649	Other Single-Lane	2014	Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework.
Prairie du Chien, WI Crawford Co. United States	S Marquette Rd. / E Iowa St. (43.04911, -91.14094)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 41.8934	Other Multilane (2 Lane)	2014	Series of three roundabouts. Nearby at-grade rail crossing. ICD estimated from Google Maps linework.
Eskilstuna, Sodermanland County Eskilstuna Sweden	Skogstorpsvägen / Skjulstagatan / Skjulsta kvarnväg (59.34148, 16.48679)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 40.8038	Other Single-Lane		ICD estimated from Google Maps linework.
Red Wing, MN Goodhue Co. United States	Levee Rd. / Jackson St. (44.56404, -92.54655)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	3 Approaches 1 Driveways 39.9932	Other Single-Lane	2016	Elliptical shape. At-grade rail crossing on south leg. ICD estimated from Google Maps linework.
Wrightstown, WI Brown Co. United States	Broadway St. / Main St. (44.32745, -88.16800)	Roundabout Existing	All-Way Yield At-Grade Rail Crossing Gates (controlling approach only)	4 Approaches 0 Driveways 51.2624	Other Single-Lane	2015	At-grade rail crossing on north leg. ICD estimated from Google Maps linework.
Salt Lake City, UT Salt Lake United States	South Campus Dr. / Center Campus Dr. (40.75968, -111.84490)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Gates (controlling roundabout)	3 Approaches 0 Driveways 30.7581	Other Single-Lane	2003	Light rail runs through center of roundabout, protected by gates. ICD estimated from Google Maps linework.
Jensen Beach, FL Martin United States	Jensen Beach Blvd. / Candice Ave. / Pineapple Dr. (27.24387, -80.22741)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Gates (controlling roundabout)	5 Approaches 0 Driveways 42.4735	Other Multilane (2 Lane)	2002	Railroad running through central island. ADT volume of 27000 on five-lane road west leg. Also an evacuation route. High volume FEC freight line. ICD estimated from Google Maps linework.
Daingerfield, TX Morris United States	Webb St. / Jefferson St. / Coffey St. / Linda Dr. (33.03180, -94.72192)	Roundabout Existing	Unknown At-grade Rail Crossing Gates (controlling roundabout)	4 Approaches 0 Driveways 34.0438	Other Single-Lane	2008	Railroad crossing through central island. Replaced two "T"-intersections. ICD estimated from Google Maps linework.
Santa Cruz, CA Santa Cruz Co. United States	Pacific Ave. / Beach St. (36.96282, -122.02388)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Gates (controlling roundabout)	4 Approaches 0 Driveways 33.4005	Other Multilane (2 Lane)	2015	Railroad tracks cut through part of circle. ICD estimated from Google Maps linework.
Calgary, AB Alberta Canada	Highfield Rd. SE / 26 Ave. SE / Dartmouth Rd. SE (51.03040, -114.04103)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Gates (controlling roundabout)	4 Approaches 0 Driveways 46.5696	Other Multilane (2 Lane)	2010	CPR tracks through center of roundabout. http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf Previous control: rail crossing signal (no gates); Yield on one approach. ICD estimated from Google Maps linework.
Sandersville, GA Washington Co. United States	GA 242 / Hospital Rd. (32.96740, -82.79420)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Gates (controlling roundabout)	4 Approaches 0 Driveways 40.0807	Other Single-Lane	2019	At-grade rail crossing through central island. ICD estimated from Google Maps linework.
Pemberton, BC Pemberton Valley Canada	Portage Rd. / Aspen Blvd. (50.32201, -122.80508)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 35.0000	Other Single-Lane
Basel, Basel Basel-Stadt Switzerland	Luzernnerring / Voltastrasse / Huningerstrasse / Lothringerstrasse (47.57107, 7.57478)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	6 Approaches 0 Driveways 48.3470	Other Single-Lane		Tram rail lines running through central island. Signal control for tram crossings; yield control on entries. ICD estimated from Google Maps linework.
Sharon, PA Mercer Co. United States	Connelly Blvd. / Dock St. (41.23144, -80.50617)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	4 Approaches 1 Driveways 44.9099	Other Single-Lane	2018	Near railroad crossing with flashing lights but no gates. ICD estimated from Google Maps linework.
Jeffersonville, IN Clark Co. United States	E 10th St. / IN-62 EB Ramps (38.34309, -85.70641)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 65.5707	Freeway Ramps Multilane (3+ Lane)	2015	At-grade rail crossing on south legm with PHBs controlling west and north legs. No pedestrian crossings. ICD estimated from Google Maps linework.
Reedley, CA Fresno Co. United States	Reed Ave. / North Ave. / I St. (36.60072, -119.45756)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 32.5998	Other Single-Lane	2017	Intersection is near at-grade railroad crossing. The two legs of the roundabout not crossing the railroad tracks have train-activated flashing beacons requiring traffic to stop when flashing. ICD estimated from Google Maps linework.
Tempe, AZ Maricopa Co. United States	Rio Salado Pkwy / S Ash Ave. (33.42935, -111.94276)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 0.0000	Other Multilane (2 Lane)	2020	Tempe Street Car crossing through the middle. https://www.tempe.gov/government/engineering-and-transportation/transportation/streets-signals-traffic/roundabouts/first-st-ash-ave-rio-salado-pkwy-roundabout
Ellicott City, MD Howard 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 Single-Lane	1998	Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework.
Clearwater, FL Pinellas 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 Multilane (2 Lane)	1999	Functional Class: Arterial ICD estimated from Google Maps linework.
Richland, WA Benton 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 49.5636	Freeway Ramps Multilane (2 Lane)	2007	5th leg is on-ramp to SR 240. Opened November 2007. 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/ ICD estimated from Google Maps linework.
Carmel, IN Hamilton United States	E 136th St. / Keystone Pkwy NB Ramps (39.98598, -86.11404)	Roundabout Existing	All-Way Yield Metering Signal	3 Approaches 0 Driveways 34.7737	Freeway Ramps Single-Lane	2009	Part of tight diamond interchange with raindrop shape central island. Northbound ramp from Keystone Pkwy has a metering signal (PHB) that activates during peak hours when triggered by a long westbound queue. Eastbound approach has a metering signal (PHB) that activates during peak hours when triggered by a long northbound queue. ICD estimated from Google Maps linework.
(unincorporated), FL Palm Beach 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 Single-Lane	1994	Completed November 1994. ICD estimated from Google Maps linework.
Lisbon, MD Howard United States	MD 94 / MD 144 (39.33700, -77.07360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.0933	Other Single-Lane	1993	First roundabout in Maryland. Built initially as temporary, made permanent after one month. ICD estimated from Google Maps linework.
Gainesville, FL Alachua United States	SE 7th St. / SE 4th Ave. (29.64824, -82.31792)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 18.2880	Other Single-Lane	1992	Pedestrian crossings within circulatory roadway. Completed April 1992.
Fort Walton Beach, FL Okaloosa United States	Hollywood Blvd. / Doolittle Blvd. (30.41364, -86.66468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.6896	Other Single-Lane	1994	ICD estimated from Google Maps linework.
Tallahassee, FL Leon United States	Killarney Way / Shamrock Dr. (30.51361, -84.22315)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.7810	Other Single-Lane	1994	Completed August 1994. ICD estimated from Google Maps linework.
Bradenton Beach, FL Manatee United States	SR 789 / Bridge St. (27.46500, -82.69847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.8361	Other Single-Lane	1994	Completed August 1994. ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara 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 Single-Lane	1992	Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
Long Beach, CA Los Angeles United States	Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal) (33.78989, -118.14250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 141.7320	Other Multilane (2 Lane)	1993	Traffic circle conversion. ICD estimated from Google Earth.
Las Vegas (Summerlin), NV Clark United States	Town Center Dr. / Hualapai Way (36.17850, -115.31770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 65.5547	Other Multilane (2 Lane)	1990	Completed March 1990. ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV Clark United States	Town Center Dr. / Village Center Cir. / Library Hills Dr. (36.18960, -115.30360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 78.0762	Other Multilane (2 Lane)	1990	Completed March 1990. ICD estimated from Google Maps linework.
Boca Raton, FL Palm Beach 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 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 United States	Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd. (39.64477, -106.37770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.4288	Other Multilane (2 Lane)	1995	Raindrop-shaped central island. ICD estimated from Google Maps linework.
Vail, CO Eagle 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 Multilane (2 Lane)	1995	Completed October 1995. Circular central island. ICD estimated from Google Maps linework.
Lothian, MD Anne Arundel 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 Single-Lane	1995	Completed October 1995. ICD estimated from Google Maps linework.
Elkton, MD Cecil 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 Single-Lane	1995	Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework.
Cearfoss, MD Washington 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 Single-Lane	1995	Completed December 1995. ICD estimated from Google Maps linework.
Towson, MD Baltimore United States	MD 45 / MD 146 / Joppa Rd. / Allegheny Ave. (39.40185, -76.60230)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 47.9894	Other Multilane (2 Lane)	1998	Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework.
Naples, FL Collier 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 Single-Lane	1996	Installed for community enhancement. ICD estimated from Google Maps linework.
Naples, FL Collier United States	7th St. N. / 3rd Ave. N. (26.15530, -81.80524)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 9.6483	Other Single-Lane	1998	Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework.
Clovis, NM Curry 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 Single-Lane	2006	Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Taneytown, MD Carroll 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 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 United States	Whooping Crane Way / Main St. (32.21647, -80.72187)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.4598	Other Single-Lane	1996	Completed February 1996. ICD estimated from Google Maps linework.
Montpelier, VT Washington 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 Single-Lane	1995	Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Sarasota, FL Sarasota 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 Multilane (2 Lane)		Shopping district. Completed 1940? Functional Class: Arterial ICD estimated from Google Maps linework.
Sarasota, FL Sarasota 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 Unknown		Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Naples, FL Collier United States	7th St. N. / 7th Ave. N. (26.15619, -81.79971)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5125	Other 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.
Naples, FL Collier United States	7th St. N. / 11th Ave. N. (26.15712, -81.79420)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.7160	Other Single-Lane	1996	Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL Collier United States	7th St. N. / 12th Ave. N. (26.15734, -81.79282)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.7160	Other Single-Lane	1996	Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Hollywood, FL Broward United States	Hollywood Blvd. / Rainbow Dr. (26.01050, -80.18360)	Other Existing	Two-Way Stop None	4 Approaches 0 Driveways 165.2974	Other Multilane (2 Lane)		Uncontrolled mainline, stop-control on side street Functional Class: Arterial ICD estimated from Google Maps linework.
Hollywood, FL Broward United States	Hollywood Blvd. / 26th Ave. (26.01110, -80.15920)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways 200.7172	Other Multilane (2 Lane)		Signal access to parking and building in center of circle. ICD estimated from Google Maps linework.
Hollywood, FL Broward 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 Multilane (2 Lane)		Signalized access, parking area in central island. ICD estimated from Google Maps linework.
Modesto, CA Stanislaus United States	Chandon Dr. / Calero Dr. (37.67642, -120.93380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4132	Other Single-Lane	2002	ICD estimated from Google Maps linework.
Modesto, CA Stanislaus United States	Bowen Ave. / Fremont Ave. (37.67470, -121.00260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.9061	Other Single-Lane	2002	Previously controlled by twsc ICD estimated from Google Maps linework.
Stuart, FL Martin United States	S. Dixie Hwy / SR 76 / SR A1A (27.19767, -80.25266)	Other Existing	Other None	0 Approaches 0 Driveways 26.5569	Other Multilane (2 Lane)		Railroad crossing next to circle. ICD estimated from Google Maps linework.
Stuart, FL Martin United States	N. Colorado Ave. / E. Osceola St. (27.19860, -80.25300)	Neighborhood Traffic Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9303	Other Single-Lane		ICD estimated from Google Maps linework.
Vail, CO Eagle 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 Multilane (2 Lane)	1997	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Vail, CO Eagle 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 Multilane (2 Lane)	1997	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Avon, CO Eagle 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 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 United States	Avon Rd. / Beaver Creek Blvd. (39.63528, -106.52220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7109	Other Multilane (2 Lane)	1997	Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO Eagle United States	Avon Rd. / Benchmark Rd. (39.63425, -106.52220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9520	Other Multilane (2 Lane)	1997	Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO Eagle United States	Avon Rd. / US 6 (39.63110, -106.52260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4726	Other 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 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 Single-Lane	1995	Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Tampa, FL Hillsborough United States	North Blvd. / Country Club Dr. (28.05466, -82.46759)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.7559	Other Single-Lane	1996	Completed June 1996. ICD estimated from Google Maps linework.
Winston-Salem, NC Forsyth 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 Multilane (2 Lane)	2005	TIP Project U-2926. Functional Class: Arterial ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa 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 Single-Lane	2000	ICD estimated from Google Maps linework.
Olmos Park, TX Bexar 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 Single-Lane	1996	Completed July 1996. ICD estimated from Google Maps linework.
Manchester, VT Bennington United States	Rte. 7A / Equinox (Grand Union) (43.17309, -73.06181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1304	Other 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 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 Multilane (2 Lane)	1999	Opened December 1999. ICD estimated from Google Maps linework.
De Pere, WI Brown 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 Multilane (2 Lane)	2011	Series of 6 roundabouts. Opened September 2011. Circular central island. ICD estimated from Google Maps linework.
Acworth-Kennesaw, GA Cobb 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 Single-Lane	2008	ICD estimated from Google Maps linework.
Ritchie, MD Prince Georges United States	Ritchie-Marlboro Rd. / I-95 SB Ramps (38.86894, -76.84738)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.6345	Freeway Ramps Multilane (2 Lane)	2001	ICD estimated from Google Maps linework.
Ritchie, MD Prince Georges United States	Ritchie-Marlboro Rd. / I-95 NB Ramps (38.86824, -76.84158)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.2844	Freeway Ramps Multilane (2 Lane)	2001	ICD estimated from Google Maps linework.
Santa Barbara, CA Santa Barbara 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 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 United States	AZ 89A / Verde Heights Dr. (34.73999, -112.03740)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0532	Other Multilane (2 Lane)	2009	Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Oshkosh, WI Winnebago 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 Multilane (2 Lane)	2010	Opened September 24, 2010. ICD estimated from Google Maps linework.
Carlsbad, CA San Diego United States	Legoland Dr. / Armada Dr. (33.13229, -117.31660)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0049	Other Multilane (2 Lane)	1999	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa 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 Single-Lane	1994	Before 1997. ICD estimated from Google Maps linework.
Douglasville, GA Douglas United States	SR 5 / SR 166 (33.61361, -84.83688)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8602	Other Single-Lane	2007	Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework.