Roundabouts Database Index

30016 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
Amelia Island, FL Nassau Co. United States	Beach Walker Rd. / Beachwood Rd. (30.55425, -81.44608)	Roundabout Removed	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2012	Roundabout completed before 1999, removed 2011-2013.
Amelia Island, FL Nassau Co. United States	SR A1A / Amelia Island Plantation (30.55717, -81.45009)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003).
American Canyon, CA Napa Co. United States	Devlin Rd. / Boone Dr. / (parking) (38.20182, -122.26679)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2022
American Fork, UT Utah Co. United States	N 4850 W / 620 S (40.36393, -111.77437)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Interim configuration with north, south, and west legs only. Right-turn-only lane on west leg and striped out receiving lane in circulatory roadway. Two circulating lanes on north leg in interim configuration. Year Completed estimated (2021-2022).
American Fork, UT Utah Co. United States	W Grove Pkwy. / W Granite Way (40.35335, -111.76878)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2009).
American Fork, UT Utah Co. United States	E 980 N / N 800 E (40.39768, -111.77392)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2012	Painted splitter islands. Year Completed estimated (2011-2013).
American Fork, UT Utah Co. United States	N Meadow Ln. / (parking lot) (40.38230, -111.81949)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9320	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
American Fork, UT Utah Co. United States	Meadow Ln. / Pacific Dr. (40.38057, -111.81950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7524	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Americus, GA Sumter Co. United States	GA 49 / S Georgia Tech Pkwy. / District Line Rd. (32.11787, -84.16502)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4387	Other (At-Grade) Single-Lane	2016	Georgia Tech Pkwy rerouted southward to change location of its intersection with GA 49. The other half of its former intersection was not rerouted; instead District Line Rd was extended to meet this roundabout. Year Completed estimated (2016-2018 - streetview shows the beginning of the reroute in Jan 2016). ICD estimated from Google Maps linework.
Americus, GA Sumter Co. United States	GA 27 (Vienna Rd.) / District Line Rd. (32.06704, -84.16649)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2022).
Amerige Heights, CA Orange Co. United States	1919 W Malvern Ave (33.87845, -117.96296)	Other Existing	Other Unknown	3 Approaches 0 Driveways 26.7721	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 5 (52.20293, 5.41642)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 6 (52.20146, 5.42206)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 7 (52.19839, 5.42826)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 8 (52.19509, 5.43253)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 13 (52.18653, 5.41792)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Euroweg / Oostenrijkse Schilling (52.18578, 5.41644)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 14 (52.18884, 5.41483)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 15 (52.19226, 5.41010)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 16 (52.19477, 5.40903)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Turbo roundabout.
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 1 (52.19703, 5.40626)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 2 (52.19914, 5.40579)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Rotonde 3 (52.20136, 5.40886)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Zeldertsepoort / Waterdreef / Watersalamander (52.20086, 5.36883)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	N199 / Rondweg Noord (52.19416, 5.36788)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Concentric circulatory roadway striping.
Amersfoort, Utrecht Amersfoort Netherlands	Gaardendreef / Hooglandsepoort (52.19619, 5.37168)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Poortersdreef / Kattenbroekerpoort / Patricierslaan (52.19633, 5.38090)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Patriciërslaan / De Verguide Paarden (52.19680, 5.38018)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Raised intersection; no splitter islands.
Amersfoort, Utrecht Amersfoort Netherlands	Patricierslaan / De Vergulde Valk (52.19729, 5.37948)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Raised intersection; no splitter islands.
Amersfoort, Utrecht Amersfoort Netherlands	Laan van Duurzaamheid / Poortersdreef (52.19856, 5.38460)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Kattenbroekerweg / Paladijnenweg (52.16838, 5.38389)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Holkerweg / Paladijnenweg (52.16967, 5.39023)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Laan van Duurzaamheid / Zevenhuizerpoort / Nieuwlandsedreef / Kruidendreef (52.20243, 5.38499)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ames, IA Story Co. United States	University Blvd. / Airport Rd. / Oakwood Rd. (41.99735, -93.63922)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3798	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Free-flow right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Ames, IA Story Co. United States	University Blvd. (530th Ave.) / Cottonwood Rd. (41.99366, -93.63921)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 37.2812	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Ames, IA Story Co. United States	University Blvd. (530th Ave.) / Collaboration Pl. (41.99049, -93.63918)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.3954	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Amesbury, MA Essex Co. United States	Friend St / School St (Rte 150) / Allens Ct (42.85615, -70.93410)	Roundabout Existing	Other None	4 Approaches 0 Driveways 26.2656	Other (At-Grade) Single-Lane	2001	North leg stop-controlled. Fire station on south leg. Resurfaced on 2017. ICD estimated from Google Maps linework.
Amesbury, MA Essex Co. United States	Market St (Rte 150) / Elm St / Main St (Rte 150) / High St (42.85794, -70.93010)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 13.1324	Other (At-Grade) Single-Lane		On-Street parking in the traffic circle ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	Pleasant St / Governors Dr / Eastman Ln (42.39522, -72.52693)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7529	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	E Pleasant St / Triangle St (42.38156, -72.51932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3487	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	West St (Rte 116) / W Bay Rd (42.31886, -72.52762)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.9211	Other (At-Grade) Single-Lane	2011	Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	Bay Rd / West St (Rte 116) (42.31938, -72.52627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.2193	Other (At-Grade) Single-Lane	2011	Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework.
Amherst, VA Amherst Co. United States	US 60 / US 29 (37.58815, -79.04990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2314	Other (At-Grade) Single-Lane	2004	Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.
Amherst, NY Erie Co. United States	John James Audubon Pkwy. / Frontier Rd. (43.00764, -78.78133)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Amherst, MA Hampshire Co. United States	Rte 116 (West St.) / Pomeroy Ln. / W Pomeroy Ln. (42.34000, -72.52016)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2023	https://www.gazettenet.com/Amherst-road-projects-starting-Monday-50879230
Amherst, OH Lorain Co. United States	SR 113 (Telegraph Rd.) / Baumhart Rd. (41.34723, -82.27481)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.newskudo.com/ohio/lorain/government/3951055-odot-route-113-baumhart-road-roundabout-work-continuing
Amherst, MA Hampshire Co. United States	University Dr. / Fearing St. / (parking) (42.38077, -72.53192)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	Serves University of Massachusetts Parking Lot 21.
Amherst, NY Erie Co. United States	John James Audubon Pkwy. / I-990 WB Ramps / Alamosa Way (43.02618, -78.78262)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2023
Amilly, Centre-Val de Loire Eure-et-Loir France	N123 / D923 (Voie de la Liberté) (48.43679, 1.43093)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Amity, AR Clark Co. United States	Thompson St. / Main St. (34.26479, -93.46106)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 47.3782	Other (At-Grade) Single-Lane		Pedestrian access to center island; parking within circle. ICD estimated from Google Maps linework.
Ammon, ID Bonneville Co. United States	Crowley Rd. / E 17th St. (43.48173, -111.94459)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.1168	Other (At-Grade) Single-lane w/ Traversable Central Island	2019
Ammon, ID Bonneville Co. United States	E Lincoln Rd. / N 45th E (Crowley Rd.) (43.51059, -111.94433)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2020	https://www.eastidahonews.com/2020/09/major-intersection-to-close-next-week-for-roundabout-construction/
Amos, QC Abitibi-Témiscamingue Region Canada	Rue de l'Aeroport / Rue 4e Est (48.56009, -78.10670)	Roundabout Existing	Unknown Unknown	0 Approaches 0 Driveways 37.9415	Other (At-Grade) Unknown	2005	ICD estimated from Google Maps linework.
Amos, QC Abitibi-Témiscamingue Region Canada	Rue de l'Aeroport / Rue Principale (48.56037, -78.11145)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.1692	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Åmot, Vestfold og Telemark Vinje Norway	Storegutvegen / (connector to E134 (Haukelivegen)) (59.73809, 7.60360)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amstelveen, North Holland Gemeente Amstelveen Netherlands	Ouderkerkerlaan / Lindenlaan (52.29795, 4.86287)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Bicycle roundabout. https://fietsberaad.nl/getmedia/298a4e77-8f30-44a1-821b-e0fc2e5853c8/2024_Fietsberaadnotitie-Inrichtingsaanbevelingen-voor-fietsrotondes_v1-0.pdf.aspx?ext=.pdf
Amstelveen, North Holland Gemeente Amstelveen Netherlands	Rembrandtweg / Saskia van Uylenburgweg / Eleanor Rooseveltlaan (52.31627, 4.87275)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amsterdam, North Holland Amsterdam Netherlands	Surinameplein (52.35839, 4.85313)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 64.9167	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Amsterdam, North Holland Amsterdam Netherlands	Slotermeerlaan / Burgemeester Roellstraat (52.37571, 4.81903)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 82.3900	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Amsterdam, North Holland Amsterdam Netherlands	Burgemeester de Vlugtlaan / Antony Moddermanstraat (52.38343, 4.81879)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.5060	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Amsterdam, North Holland Amsterdam Netherlands	Anderlechtlaan / A4 WB Ramps (52.33866, 4.81302)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.7296	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Amsterdam, NY Fulton Co. United States	Rte 29 / Rte 30 (43.04745, -74.21695)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0217	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Amsterdam, North Holland Amsterdam Netherlands	Anderechtlaan / A4 EB Ramps (52.33754, 4.81377)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.2708	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Amursk, Khabarovsk Amursky District Russia	prospekt Stroiteley / Zapadnoye shosse / prospekt Mira (50.22994, 136.90150)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Anacortes, WA Skagit Co. United States	R Ave. / 30th St. (48.49794, -122.60960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2024	Elliptical shaped. ICD = 130 ft x 120 ft. Major street (R Ave.) reduced from two lanes in each direction to one lane in each direction at roundabout (road diet). https://www.anacorteswa.gov/1359/R-Avenue-Long-Term-Improvements---Phases
Anacortes, WA Skagit Co. United States	32nd St. / M Ave. (48.49641, -122.61753)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.goskagit.com/anacortes/news/federally-funded-roundabout-opens-at-32nd-and-m-in-anacortes/article_481122ae-2328-11ed-bc4e-6bf692cd6133.html
Anacortes, WA Skagit Co. United States	SR 20 / Miller Rd. / Gibralter Rd. (48.45438, -122.58269)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.7733	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	32nd St. / D Ave. (48.49654, -122.63159)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2018
Anacortes, WA Skagit Co. United States	SR 20 / SR 20 Spur (48.46352, -122.58156)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.8530	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	R Ave. / 22nd St. (48.50423, -122.60992)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.6011	Other (At-Grade) Single-Lane	2013	Open December 2013. ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	Commercial Ave. / SR20 Spur (48.49332, -122.61280)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 34.8256	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
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.
Anacortes, WA Skagit Co. United States	SR 20 (Oakes Ave.) / Glasgow Way / Ship Harbor Blvd. (48.50251, -122.66661)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2020	https://www.anacorteswa.gov/1172/Ship-Harbor-Boulevard-Roundabout---Compl
Anaheim, CA Orange Co. United States	Paradise Way / Downtown Dr. (33.80705, -117.92562)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Anaheim, CA Orange Co. United States	Convention Way / Hotel Way / (hotel driveway) (33.79976, -117.91729)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Two approaches controlled by yield, two controlled by stop.
Anaheim, CA Orange Co. United States	Transit Plaza (33.79806, -117.92072)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Mix of stop and yield.
Anaheim, CA Orange Co. United States	S Manchester Ave. (33.80065, -117.90323)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Anapa, Krasnodar Anapa Russia	Ob'yezdnaya ulitsa / Astrakhanskaya ulitsa (44.88267, 37.33823)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Anapa, Krasnodar Anapa Russia	ulitsa Lenina / Vladimirskaya ulitsa (44.87239, 37.33717)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Anapa, Krasnodar Anapa Russia	ulitsa Lenina / ulitsa Omel'kova (44.87397, 37.32789)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Ancaster, ON Hamilton Canada	Wilson St. / Meadowbrook Dr. / Hamilton Dr. (43.20797, -80.00224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6911	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Ancaster, Hamilton, ON Hamilton Canada	Wilson St. W / Shaver Rd. (43.20145, -80.01351)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.3067	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	http://forum.skyscraperpage.com/showthread.php?t=160141 ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Old Seward Hwy / Huffman Rd.. (61.10864, -149.86350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.8158	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Estimated completion 2008. ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Southport Dr. / Maritime Loop / Washington Ave. (61.12706, -149.92590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9886	Other (At-Grade) Single-Lane	2001	The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Dowling Rd. / New Seward Hwy SB Ramps (61.16636, -149.85780)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.1352	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2004	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Dowling Rd. / New Seward Hwy NB Ramps (61.16637, -149.85520)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0151	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2004	Spiral striping. 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
Anchorage, AK Anchorage United States	Elmore Rd. / E 135th Ave. / South Anchorage High School (61.09869, -149.80410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3650	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	W Dimond Blvd. / Snead St. / Westpark Dr. (61.13943, -149.98944)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane	2016
Anchorage, AK Anchorage United States	W Dimond Blvd. / Sand Lake Rd. (61.13761, -149.98206)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 10.3772	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Elmore Rd. / Health Dr. (61.18629, -149.81008)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.6548	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Piper St. / E 40th Ave. (61.18451, -149.82323)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2013	Located at entrance to Providence Medical Center hospital.
Anchorage, AK Anchorage United States	Klatt Rd. / Johns Rd. (61.11584, -149.87879)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0760	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	W 100th Ave. / Minnesota Dr. SB Ramps / Bietinger Dr. (61.13025, -149.90880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.2922	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	W 100th Ave. / Minnesota Dr. NB Ramps / Humphrey Dr. (61.13026, -149.90694)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.4820	Freeway Ramps (Grade-Separated) Single-Lane	2017	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Huffman Rd. / Huffman Park Dr. / Brandon St. (61.10862, -149.85617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.3143	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Huffman Rd. / Seward Hwy SB Ramps (61.10854, -149.85175)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0848	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Huffman Rd. / Seward Hwy NB Ramps-Brayton Dr. (61.10858, -149.84928)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.2781	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	C St. / W Klatt Rd. (61.11645, -149.88824)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2290	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.