Roundabouts Database Index

11254 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
Albany, NY Albany United States	Fuller Rd. (CR 156) / I-90 WB Ramps (42.69511, -73.82928)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6231	Other Multilane (2 Lane)	2012	Year Completed estimated (2011-2013). Functional Class: Arterial ICD estimated from Google Maps linework.
Albemarle, NC Stanly Co. United States	North East Connector / Mountain Creek Rd. (35.38512, -80.18379)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0273	Other Single-Lane	2012	Right-turn lane on west leg; right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Albemarle, NC Stanly Co. United States	North East Connector / Ridge St. (35.37729, -80.17034)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1094	Other Single-Lane	2012	ICD estimated from Google Maps linework.
Alberton, PE Prince Canada	Western Rd. / Ohalloran Rd. / Mill River East Rd. (46.76125, -64.18012)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7265	Other Single-Lane	2017	https://www.theguardian.pe.ca/news/local/roundabout-at-bloomfield-corner-completed-104904/ ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Las Estancias Dr. / Las Estancias Way (35.01852, -106.71345)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.2778	Other Multilane (2 Lane)	2013	ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Nunzio Ave. NW / Vista Fuente Rd. NW (35.18391, -106.67731)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.2362	Other Single-Lane	2008	Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Monolith Dr. NW / Boulder Trl. Pl. NW (35.19212, -106.70888)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.3050	Other Single-Lane	2012	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Ventana Ridge Rd. NW / Ventana W Pkwy. NW (35.19845, -106.74948)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.0864	Other Single-Lane	2004	Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Las Estancias Dr. / (unknown) (35.01799, -106.71186)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.0811	Other Multilane (2 Lane)	2013	Two legs stubbed. ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	4th St. NW / Roy Ave. (35.21026, -106.60148)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.7666	Other Multilane (2 Lane)	2010	ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Rio Puerco / Central Ave. NW / I-40 WB Onramp (35.03300, -106.94539)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.9412	Freeway Ramps Multilane (2 Lane)	2013	ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Yale Blvd. NE / Camino de Salud (35.08985, -106.62158)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0450	Other Multilane (2 Lane)	2008	ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Indian School Rd NW / Menaul Extension NW (35.11094, -106.66180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 144.5972	Other Single-Lane	2012	ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo United States	8th St. / Central Ave. (35.08526, -106.65660)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.3649	Other Single-Lane	2007	Transition between downtown Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Candelaria Rd. NW / Rio Grande Blvd. NW (35.12510, -106.67385)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4673	Other Single-Lane	2019	https://www.krqe.com/news/albuquerque-metro/roundabout-at-candeleria-and-rio-grande-now-open/ ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	Loop Two NW / Learning Rd. NW (Bosque School Rd. NW) / Antequera Rd. NW (35.14393, -106.69165)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other Single-Lane	2007	Difference of opinion between Bing and Googlemaps of name of Learning/Bosque School Rd.
Albuquerque, NM Bernalillo Co. United States	Antequera Rd. NW / Mirandela St. NW (35.14597, -106.68837)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other Single-Lane	2007
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 Unknown
Aleksandrów Łódzki, Woj. Łódzkie Powiat Zgierski Poland	ulica Słowiańska / ulica Panska / ulica Koscielna / ulica Aleksandrowska (51.78946, 19.32078)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5052	Other Single-Lane		https://www.huffpost.com/entry/roundabout-crash-flying-car_n_5e968401c5b6ead140048120 ICD estimated from Google Maps linework.
Alexander City, AL Tallapoosa Co. United States	Tallapoosa St (32.94353, -85.95363)	Roundabout Existing	Two-Way Stop None	4 Approaches 0 Driveways 48.1099	Other Single-Lane	2002	Peanut-shaped roundabout. Year completed estimated (1997-2006). ICD estimated from Google Maps linework.
Alexandria, MN Douglas Co. United States	STH 29 / CR 28 / CR 87 (45.83127, -95.38801)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1054	Other Single-Lane	2015	Merge-type right-turn bypass lanes on east and north legs. ICD estimated from Google Maps linework.
Alexandria, MN Douglas Co. United States	Hazel Hill Rd. SE / McKay Ave. S / 34th Ave. E (45.86060, -95.35298)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1013	Other Single-Lane	2017	https://www.voiceofalexandria.com/news/local/roundabout-should-be-finished-by-labor-day-weekend/article_f6af82d6-8c0d-11e7-a3f0-2b7a68b8879b.html ICD estimated from Google Maps linework.
Alice Springs, Northern Territory Australia	Tom Brown Roundabout (B7 / Gap Rd./ South Terrace / Bradshaw Dr.) (-23.72178, 133.86739)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 99.5012	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Aliso Viejo, CA Orange Co. United States	Lions Way / (unknown) (33.55813, -117.73431)	Other Existing	All-Way Stop None	3 Approaches 0 Driveways 31.8485	Other Single-Lane		No splitter islands. Located at Soka University. ICD estimated from Google Maps linework.
Aliso Viejo, CA Orange Co. United States	(parking lot) (33.56895, -117.72473)	Other Existing	Other Unknown	4 Approaches 0 Driveways 21.8931	Other Single-Lane		Mix of stop-controlled and uncontrolled approaches. ICD estimated from Google Maps linework.
Aliso Viejo, CA Orange Co. United States	Grand / Vanatis Dr. (33.57694, -117.72981)	Other Existing	Other Unknown	3 Approaches 1 Driveways 28.8564	Other Single-Lane		One approach controlled by yield, two by stop sign, and one is uncontrolled. ICD estimated from Google Maps linework.
Aliso Viejo, CA Orange Co. United States	Antares / (parking lot) (33.58578, -117.73300)	Other Existing	Uncontrolled Unknown	5 Approaches 0 Driveways 0.0000	Other Single-Lane
Aliso Viejo, CA Orange Co. United States	Woodcrest Ln. / Alder Dr. (33.58374, -117.73886)	Other Existing	All-Way Stop Unknown	3 Approaches 1 Driveways 0.0000	Other Single-Lane
Allen, TX Collin Co. United States	Curtis Ln. / Stockton Dr. (33.12333, -96.67096)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0079	Other Single-Lane	2016	ICD estimated from Google Maps linework.
Allen, TX Collin Co. United States	Kennedy Dr. / Benton Dr. (33.11166, -96.68376)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0114	Other Single-Lane	2015	ICD estimated from Google Maps linework.
Allen, TX Collin Co. United States	Bossy Boots Dr. / Bray Central Dr. (33.11992, -96.68636)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0085	Other Single-Lane	2015	Bypass lanes on all three legs. ICD estimated from Google Maps linework.
Allen, TX Collin United States	N Allen Dr. / St. Mary Dr. (33.10674, -96.67113)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.0143	Other Single-Lane	2006	Lat / Long - +33° 6' 24.38 ICD estimated from Google Maps linework.
Alliance, OH Stark Co. United States	Beeson St. NE / Freshley Ave. NE (40.92355, -81.15375)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8773	Other Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Allouez, WI Brown Co. United States	Hoffman Rd. (CTH XX) / Libal St. (44.46042, -88.02819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other Single-Lane	2014	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=44.46040658672803%2C-88.03253203284055&z=15.
Allouez, WI Brown United States	Allouez Ave. (CTH O) / Libal St. (44.47738, -88.01638)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.8612	Other Single-Lane	2006	Opened July 1, 2006. ICD estimated from Google Maps linework.
Allwood, NJ Passaic Co. United States	Allwood Rd. / Bloomfield Ave. (40.84302, -74.15957)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0792	Other Multilane (2 Lane)	2004	Converted from non-circular rotary. ICD estimated from Google Maps linework.
Aloha, OR Washington Co. United States	SW 175th St. / SW Kemmer Rd. (45.45121, -122.85724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.3785	Other Single-Lane	2018	ICD estimated from Google Maps linework.
Alpha, MI Iron United States	Main St. / 4th St. / Center St. / 8th Ave. (46.04575, -88.37727)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 68.8040	Other Unknown		ICD estimated from Google Maps linework.
Alpharetta, GA Fulton United States	Douglas Rd. / Southlake Dr. (34.07639, -84.20667)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6668	Other Single-Lane	2011	ICD estimated from Google Maps linework.
Alpharetta, GA Fulton United States	Rainwater Dr. / (unknown) (34.06288, -84.28911)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.7564	Other Single-Lane	1999	Functional Class: Local ICD estimated from Google Maps linework.
Alpharetta, GA Fulton Co. United States	Birmingham Hwy / Providence Rd. / New Providence Rd. (34.11947, -84.34246)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.5049	Other Multilane (2 Lane)	2014	Replaced highly skewed two-way stop intersection. ICD estimated from Google Maps linework.
Alpharetta, GA Fulton Co. United States	Hopewell Rd. / Francis Rd. (34.13774, -84.28448)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6446	Other Single-Lane	2014	Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Alpharetta, GA Fulton Co. United States	Hopewell Rd. / Birmingham Rd. (34.16261, -84.28773)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.6591	Other Multilane (2 Lane)	2016	Merge-type right-turn bypass lane on west leg. Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Alpharetta, GA Fulton Co. United States	Crabapple Rd. / Crabapple Chase Dr. / Branyan Trl. (34.08884, -84.34451)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.5207	Other Multilane (2 Lane)	2018	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.
Alpine, UT Utah United States	Canyon Crest Rd. / 200 West (40.45012, -111.78150)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3540	Other Single-Lane	2004	ICD estimated from Google Maps linework.
Älta, Stockholm County Nacka Sweden	Lovisedalsvägen / Ältabergsvägen / Rte 229 WB Ramps (59.24845, 18.19148)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.8087	Freeway Ramps Single-Lane		ICD estimated from Google Maps linework.
Älta, Stockholm County Nacka Sweden	Töresjövägen / Rte 229 EB Ramps / Skrubba Malmväg (59.24739, 18.19310)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.8098	Freeway Ramps Single-Lane		ICD estimated from Google Maps linework.
Altoona, WI Eau Claire Co. United States	Blue Stem Blvd. / Front Porch Pl. (44.82143, -91.45639)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.8858	Other Single-Lane	2016	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=44.820497288186075%2C-91.45543828018646&z=16. ICD estimated from Google Maps linework.
Altoona, WI Eau Claire Co. United States	Meadowlark Ln. / Front Porch Pl. (44.82051, -91.46056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1222	Other Single-Lane	2016	https://www.google.com/maps/d/viewer?mid=1kRgB04jjoXd6tLLe0r20FJoxJMI&ll=44.82028420322557%2C-91.46035208710174&z=16. ICD estimated from Google Maps linework.
Altoona, IA Polk Co. United States	Adventureland Dr. / 34th Ave. SW (41.65855, -93.50315)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2615	Other Unknown	2018	ICD estimated from Google Maps linework.
Altoona, IA Polk Co. United States	NW Tallgrass Pkwy. / Prairie Fire NW (41.65368, -93.50710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3407	Other Single-Lane	2018	ICD estimated from Google Maps linework.
Altoona, IA Polk United States	Bass Pro Dr. / Prairie Fire Blvd. (41.65177, -93.51022)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.8352	Other Multilane (2 Lane)	2009	Part of Bass Pro Shops commercial shopping center. ICD estimated from Google Maps linework.
Altoona, IA Polk United States	10th Ave. SE / 15th St. SE (41.63733, -93.45121)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 58.0190	Other Single-Lane	2005	Opened December 16, 2005. ICD estimated from Google Maps linework.
Älvsjö, Stockholm County Stockholm Sweden	Vantörsvägen / Svartlösvägen (59.27633, 17.98062)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.6276	Other Single-Lane		ICD estimated from Google Maps linework.
Älvsjö, Stockholm County Stockholm Sweden	Mickelsbergsvägen / Älvsjövägen / Elsa Brändströms gata (59.28797, 17.98117)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3989	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Älvsjö, Stockholm County Stockholm Sweden	Sköldingevägen / Helgestavägen (59.27087, 18.02892)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.1906	Other Single-Lane		ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	SR A1A / S Fletcher Rd. / Sadler Ave. (30.63860, -81.43703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6900	Other Single-Lane	2001	Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	SR A1A / David Gregory Dr. (30.56414, -81.45299)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.7665	Other Single-Lane	2011	Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	SR A1A / S Fletcher Ave. (30.59266, -81.45858)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8426	Other Single-Lane	2010	Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	Amelia Island Pkwy / 14th St. S (30.61876, -81.45530)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.8899	Other Single-Lane	2009	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	Beachwood Rd. / Ocean Club Dr. (30.56242, -81.44521)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9090	Other Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	SR A1A / Beach Lagoon Rd. (30.55541, -81.44933)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other Single-Lane	2001	Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
Amelia Island, FL Nassau United States	Beach Walker Rd. / Beachwood Rd. (30.55425, -81.44608)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 159.4166	Other Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Amelia Island, FL Nassau United States	SR A1A / Amelia Island Plantation (30.55717, -81.45009)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other Single-Lane	2001	Year Completed estimated (1999-2003).
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 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 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 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.
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 Single-Lane		ICD estimated from Google Maps linework.
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 Multilane (2 Lane)	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 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 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 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)	Neighborhood Traffic Circle Existing	Other None	4 Approaches 0 Driveways 13.1324	Other 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 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 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 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 Single-Lane	2011	Side-by-side roundabouts replacing two T-intersections ICD estimated from Google Maps linework.
Amherst, VA Amherst United States	US 60 / US 29 (37.58815, -79.04990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2314	Other Single-Lane	2004	Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.
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 Single-Lane		Pedestrian access to center island; parking within circle. ICD estimated from Google Maps linework.
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 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 Single-Lane	2005	ICD estimated from Google Maps linework.
Amsterdam, North Holland Amsterdam Netherlands	Surinameplein (52.35839, 4.85313)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 64.9167	Other Multilane (2 Lane)		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 Multilane (2 Lane)		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 Multilane (2 Lane)		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 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 Multilane (2 Lane)	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 Single-Lane		ICD estimated from Google Maps linework.
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 Multilane (2 Lane)	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 Unknown	4 Approaches 0 Driveways 18.9946	Other Single-Lane	2018	ICD estimated from Google Maps linework.
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 Multilane (2 Lane)	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 Single-Lane	2013	Open December 2013. ICD estimated from Google Maps linework.
Anacortes, WA Skagit United States	Commercial Ave. / SR20 Spur (48.49332, -122.61280)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 34.8256	Other Single-Lane	2009	ICD estimated from Google Maps linework.
Anacortes, WA Skagit United States	Pennsylvania Ave. / W 12th St. (48.49817, -122.65669)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other Single-Lane	2010	Built for the purpose of traffic calming near a residential park area. Concrete-asphalt.
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 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 Multilane (2 Lane)		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 Single-Lane		Mix of stop and yield.
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 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 Multilane (2 Lane)	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 Multilane (2 Lane)	2008	Estimated completion 2008. ICD estimated from Google Maps linework.