Roundabouts Database

28784 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
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, 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, 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.
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.
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.
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 		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 		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
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
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.
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.
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.
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 		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).
Amelia Island, FL
Nassau Co.
United States 		SR A1A / Beach Lagoon Rd.
(30.55541, -81.44933) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2001 Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
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).
Amelia Island, FL
Nassau Co.
United States 		SR A1A (S Fletcher Ave.) / SR 108 (Sadler Rd.)
(30.63860, -81.43703) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2001
Amelia Island, FL
Nassau Co.
United States 		SR A1A / David Gregory Dr.
(30.56414, -81.45299) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7665 		Other (At-Grade)
Single-Lane 		2011 Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL
Nassau Co.
United States 		SR A1A / S Fletcher Ave.
(30.59266, -81.45858) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8426 		Other (At-Grade)
Single-Lane 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL
Nassau Co.
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 (At-Grade)
Single-Lane 		2009 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Amelia Island, FL
Nassau Co.
United States 		Beachwood Rd. / Ocean Club Dr.
(30.56242, -81.44521) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9090 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Amble, England
Northumberland
United Kingdom 		Church St. / Percy St. / Percy Dr.
(55.33337, -1.58103) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Ambarvale, NSW
Campbelltown
Australia 		Copperfield Dr. / Woodhouse Dr.
(-34.08790, 150.79844) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Ambarvale, NSW
Campbelltown
Australia 		Therry Rd. / Woodhouse Dr. / Central Rd.
(-34.08023, 150.80372) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Amaro, Friuli-Venezia Giulia
Udine
Italy 		SS52 (Via Nazionale) / Via Roma / Via della Fabbrica
(46.37196, 13.09103) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Amarillo, TX
Randall Co.
United States 		Heritage Hills Pkwy. / Legacy Pkwy.
(35.12594, -101.94150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020). Open to vehicular traffic before this but no pedestrian facilities.
Amarillo, TX
Randall Co.
United States 		Aberdeen Pkwy. / New England Pkwy. / Valcour Dr.
(35.14925, -101.93286) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Amarillo, TX
Randall Co.
United States 		Chatham Square / Time Square
(35.15163, -101.94459) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Amarillo, TX
Randall Co.
United States 		Town Square Blvd. / Union Square
(35.15003, -101.94662) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Amarillo, TX
Randall Co.
United States 		Town Square Blvd. / Time Square
(35.15006, -101.94460) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Amarapura, Mandalay
Mandalay
Myanmar 		AH1 (Sagaing-Ta Da U Rd. - Saging-Mandalay Expressway) / AH2 (Sagaing-Mandalay Rd.)
(21.87232, 96.00552) 		Unknown
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Älvsjö, Stockholm County
Stockholm
Sweden 		Vantörsvägen / Svartlösvägen
(59.27633, 17.98062) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.6276 		Other (At-Grade)
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 (At-Grade)
Multilane (2 Lane, unspecified) 		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 (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Altrich, Rhineland-Palatinate
Bernkastel-Wittlich
Germany 		L52 / K56
(49.94688, 6.91149) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Altoona, WI
Eau Claire Co.
United States 		Baumbach Way / Hong St.
(44.79151, -91.41359) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021
Altoona, IA
Polk Co.
United States 		1st Ave. N / 9th St. NW / NE 54th Ave.
(41.65860, -93.46447) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 https://littlevillagemag.com/altoona-1st-avenue-roundabout-woven-lines-sculpture/
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 (At-Grade)
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 (At-Grade)
Single-Lane 		2018 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 (At-Grade)
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 (At-Grade)
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 		10th Ave. SE / 15th St. SE
(41.63733, -93.45121) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
58.0190 		Other (At-Grade)
Single-Lane 		2005 Opened December 16, 2005. ICD estimated from Google Maps linework.
Altoona, IA
Polk Co.
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 (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Part of Bass Pro Shops commercial shopping center. ICD estimated from Google Maps linework.
Altona Meadows, VIC
Hobsons Bay
Australia 		R 41 (Central Ave. - Queen St.) / Merton St.
(-37.87158, 144.77759) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Altona, VIC
Hobsons Bay
Australia 		SR 39 (Maidstone St.) / SR 41 (Civic Parade)
(-37.86315, 144.81201) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Altona, VIC
Hobsons Bay
Australia 		SR 41 (Civic Parade) / Pier St.
(-37.86451, 144.83107) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Altona, VIC
Hobsons Bay
Australia 		Blyth St. / Upton St.
(-37.86768, 144.82349) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Altona, VIC
Hobsons Bay
Australia 		SR 41 (Maidstone St.) / Blyth St.
(-37.87047, 144.81181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Altona, VIC
Hobsons Bay
Australia 		SR 41 (Queen St.) / SR 39 (Maidstone St.)
(-37.87374, 144.81397) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Alton, IL
Madison Co.
United States 		Central Ave. / College Ave.
(38.90689, -90.17172) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Parking along circulatory roadway.
Alto Vista,

Aruba 		Rte 2A-2B / Caya Ange Perez
(12.56335, -70.03206) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Alto Vista,

Aruba 		Rte 2A-2B / Montana
(12.55489, -70.03069) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Altamont, KS
Labette Co.
United States 		US 160 (14000 Rd.) / US 59 / Ottawa Rd.
(37.19345, -95.26780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2020 https://www.fourstateshomepage.com/news/construction-to-an-altamont-intersection-is-making-progress/
Alta Vista, FL
Sarasota Co.
United States 		S Shade Ave. / Novus St.
(27.32957, -82.52205) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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 (Grade-Separated)
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 (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Alstonville, NSW
Ballina
Australia 		Main St. / Daley St. / Ambrose Ln.
(-28.84208, 153.44036) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Alpine, UT
Utah Co.
United States 		Canyon Crest Rd. / 200 West
(40.45012, -111.78150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3540 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Alpine, UT
Utah Co.
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 (At-Grade)
Single-Lane 		2003 Free-merge, active pedestrian warning Functional Class: Major Arterial ICD estimated from Google Maps linework.
Alpharetta, GA
Fulton Co.
United States 		Douglas Rd. / Southlake Dr.
(34.07639, -84.20667) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6668 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Alpharetta, GA
Fulton Co.
United States 		Rainwater Dr. / (unknown)
(34.06288, -84.28911) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.7564 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Local 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 (At-Grade)
Multilane (2 Lane, unspecified) 		2018 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 (At-Grade)
Multilane (2 Lane, unspecified) 		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 (At-Grade)
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 (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Merge-type right-turn bypass lane on west leg. Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Alpharetta, GA
Forsyth Co.
United States 		Shiloh Rd. / Shiloh Crossing / (church parking)
(34.11638, -84.20133) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020
Alpharetta, GA
Fulton Co.
United States 		Rucker Rd. / Charlotte Dr.
(34.07630, -84.33047) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2019
Alpharetta, GA
Fulton Co.
United States 		Mayfield Rd. / Bates Rd. / Cornerstone Way
(34.09215, -84.31308) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Alpharetta, GA
Forsyth Co.
United States 		Union Hill Rd. / Shepherds Pond
(34.13495, -84.21926) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Alpharetta, GA
Fulton Co.
United States 		Haynes Bridge Rd. / Thompson St. / (parking)
(34.07226, -84.29312) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013).
Alpharetta, GA
Forsyth Co.
United States 		Bethany Bend / Strickland Rd. / Deerfield Crossing Dr.
(34.10676, -84.25444) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2019
Alpharetta, GA
Fulton Co.
United States 		Morris Rd. / Preston Ridge Rd.
(34.07149, -84.26715) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
Alpharetta, GA
Fulton Co.
United States 		Lakeview Pkwy. / Lake St. / (parking)
(34.05755, -84.29142) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021