Roundabouts Database Index

29483 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Portland, OR Multnomah Co. United States	SW 47th Dr. / SW 43rd Ave. (45.49245, -122.72111)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.4198	Other (At-Grade) Single-lane w/ Traversable Central Island	2007	Completed 4/29/2007. Painted but unraised central island. No splitter islands. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Salmon St. (45.51435, -122.64961)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 15.0642	Other (At-Grade) Single-Lane	1982	Completed 2/18/1982. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Salmon St. (45.51434, -122.65264)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 17.5750	Other (At-Grade) Single-Lane	1989	Completed 1/11/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 36th Ave. / SE Clinton St. (45.50337, -122.62630)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 40.1792	Other (At-Grade) Single-Lane	1990	Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 45th Ave. / SE Clinton St. (45.50336, -122.61610)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 87.0549	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 47th Ave. / SE Clinton St. (45.50336, -122.61400)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 32.6456	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 56th Ave. / SE Woodward St. (45.50140, -122.60500)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 43.5289	Other (At-Grade) Single-Lane	1988	Completed 10/27/1998. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 58th Ave. / SE Woodward St. (45.50140, -122.60310)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1988	Completed 10/27/1998.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Quimby St. (45.53328, -122.70277)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 15.8958	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Overton St. (45.53190, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 44.3420	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NW 25th Ave. / NW Marshall St. (45.53040, -122.70270)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 62.7498	Other (At-Grade) Single-Lane	1988	Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St. (45.52640, -122.62300)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 68.6113	Other (At-Grade) Multilane (2 Lane, unspecified)		Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE Ladd Circle (45.50850, -122.64940)	Other Existing	Unknown None	0 Approaches 0 Driveways 92.0689	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SW Terwilliger Blvd. / SW Palater Rd. (45.45290, -122.67660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2002	Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Portland, OR Multnomah Co. United States	NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot (45.57770, -122.55950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7822	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Brazee St. (45.54050, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Thompson St. (45.53896, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 56.8845	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 24th Ave. / Tillamook St. (45.53741, -122.64110)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 56.0495	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 21st Ave. / Thompson St. (45.53898, -122.64420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 34.2980	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 21st Ave. / Brazee St. (45.54051, -122.64420)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 86.9974	Other (At-Grade) Single-Lane	1989	Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Morris St. / Wisteria St. (45.54467, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 16.7290	Other (At-Grade) Single-Lane	1986	Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Brazee St. (45.54057, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 119.6213	Other (At-Grade) Single-Lane	1987	Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 37th Ave. / Thompson St. (45.53904, -122.62500)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 94.5285	Other (At-Grade) Single-Lane	1987	Completed 11/16/1987. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 32nd Ave. / SE Lincoln St. (45.50825, -122.63270)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 12.5549	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 30th Ave. / SE Caruthers St. (45.50550, -122.63470)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 78.6812	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 31st Ave. / SE Clinton St. (45.50354, -122.63360)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 14.2301	Other (At-Grade) Single-Lane	1990	Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 23rd Ave. / SE Clinton St. (45.50339, -122.64260)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 31.8085	Other (At-Grade) Single-Lane	1990	Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 37th Ave. / SE Lincoln St. (45.50806, -122.62570)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0659	Other (At-Grade) Single-Lane	1990	Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 43rd Ave. / SE Lincoln St. (45.50799, -122.61810)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 22.5989	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 51st Ave. / SE Lincoln St. (45.50803, -122.61000)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 15.0659	Other (At-Grade) Single-Lane	1990	Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 55th Ave. (N) / SE Lincoln St. (45.50806, -122.60650)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	1990	Completed 5/14/1990.
Portland, OR Multnomah Co. United States	SE 55th Ave. (S) / SE Lincoln St. (45.50804, -122.60610)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	1990	Completed 5/14/1990.
Portland, OR Multnomah Co. United States	SE 58th Ave. (S) / SE Lincoln St. (45.50805, -122.60380)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 104.6245	Other (At-Grade) Single-Lane	1990	Completed 5/8/1990. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE 108th St. / NE Oregon St. (45.52814, -122.55147)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Portland, OR Multnomah Co. United States	NE Everett St. / NE 108th St. (west) (45.52447, -122.55243)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Part of a double mini-roundabout. https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Portland, OR Multnomah Co. United States	NE Everett St. / NE 108th Ave. (east) (45.52447, -122.55223)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2021	Part of a double mini-roundabout. https://bikeportland.org/2022/01/13/video-a-closer-look-at-pbots-three-new-roundabouts-on-ne-108th-343711.
Portland, OR Multnomah Co. United States	NE Cascades Pkwy. / (parking) (45.57191, -122.55594)	Other Existing	Other Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)
Mumbai, MH Mumbai India	Khan Abdul Gaffar Khan Rd. / Prabhadevi New Rd. / Sir Pochkhanwala Marg (19.01525, 72.81726)	Unknown Existing	Unknown None	3 Approaches 1 Driveways	Other (At-Grade) Unknown
Chidlow, WA Mundaring Australia	Old Northam Rd. / Herbert St. / Thomas St. (-31.86245, 116.26917)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mundaring, WA Mundaring Australia	Mundaring Weir Rd. / Weir Village Rd. / Allen Rd. (-31.95097, 116.17313)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stoneville, WA Mundaring Australia	Stoneville Rd. / Riley Rd. (-31.87861, 116.17140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Elliptical shaped.
Swan View, WA Mundaring Australia	Morrison Rd. / Talbot Rd. (-31.88589, 116.05233)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mundaring, WA Mundaring Australia	Stoneville Rd. / Hartung St. (-31.90035, 116.16822)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mundaring, WA Mundaring Australia	Mundaring Weir Rd. / Jacoby St. (-31.90462, 116.16817)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Elliptical shaped.
Mundaring, WA Mundaring Australia	Phillips Rd. / Mundaring Weir Rd. (-31.90575, 116.16848)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Munich, Bavaria Munich Germany	Karolinenplatz (48.14473, 11.56916)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 80.4887	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Munich, Bavaria Munich Germany	Gartnerplatz (48.13171, 11.57603)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 49.4214	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Catedral, Bolivar State Municipio Angostura del Orinoco Venezuela	Avenida Germania / Avenida La Paragua / Avenida N (8.13201, -63.52646)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Catedral, Bolivar State Municipio Angostura del Orinoco Venezuela	Avenida Germania / (unknown) (8.13245, -63.53588)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Catedral, Bolivar State Municipio Angostura del Orinoco Venezuela	Avenida 19 de abril / Avenida 5 de Julio (8.13703, -63.53822)	Unknown Existing	Unknown Unknown	6 Approaches 0 Driveways	Other (At-Grade) Unknown
Jacinto Vera, Montevideo Municipio C Uruguay	Bulevar General Artigas / Avenida Jose Pedro Varela / Avenida Luis A De Herrera / Calle General Artigas (-34.86950, -56.16780)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Münster, North Rhine-Westphalia Münster Germany	Ludgeriplatz (51.95584, 7.62645)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Murmansk, Murmansk Murmansk Russia	Geroyev-Severomortsev prospekt / Lobova ulitsa / Ivchenko ulitsa (69.01290, 33.10654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Oval shaped.
Murmansk, Murmansk Murmansk Russia	ulitsa Pavlova / prospekt Kirova / Gvardeyskaya ulitsa (68.95131, 33.09893)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Murmansk, Murmansk Murmansk Russia	ulitsa Askol'dovtsev / ulitsa Chumbarova-Luchinskogo (69.00169, 33.07926)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Unknown		Parking along circulatory roadway.
Pinjarra, WA Murray Australia	Sutton St. / Country Rd. / Sanctuary Dr. (-32.61094, 115.86438)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Murray Bridge, SA Murray Bridge Australia	B35 (Swanport Rd.) / Mulgundawah Rd. / Monash Terr. (-35.12868, 139.27946)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Chatsworth, GA Murray Co. United States	GA 225 / Mt Carmel Church Rd. / Mitchell Bridge Rd. (34.81145, -84.81570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2017	Elliptical shaped. ICD = 160 ft x 140 ft.
Muscatine, IA Muscatine Co. United States	Mulberry Ave. / 2nd St. (41.42371, -91.04141)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.youtube.com/watch?v=nyJfLuvBF_A
Muscatine, IA Muscatine Co. United States	Cedar St. / Logan St. (41.43575, -91.06473)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.7570	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	St. Marys Rd. / Northstar Dr. / Lakefront Dr. (32.44089, -84.91252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2782	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Single-lane except for two circulating lanes in one section (although fed by single-lane entries). ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Schatulga Rd. / Corporate Ridge Pkwy. (32.50364, -84.86957)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.2536	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	S Lumpkin Rd. / Chattahoochee Riverwalk (32.40150, -84.95556)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.4194	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	14th St. / Front Ave. (32.47244, -84.99457)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 20.1519	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Yellow Pine Rd. / Calumet Dr. (32.54861, -84.81565)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.1820	Other (At-Grade) Single-Lane	2011	Completed June 2011. Functional Class: Collector ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Transport Blvd. / Cargo Dr. (32.51770, -84.87556)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.3899	Other (At-Grade) Single-Lane	2012	Completed March 2012. Separate right-turn lane on northwest leg. Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	18th Ave. / Garrard St. (32.48277, -84.96620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.3067	Other (At-Grade) Single-Lane	2012	Elongated central island. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Ashley Station Blvd. / Olive St. (32.48650, -84.97856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.1785	Other (At-Grade) Single-Lane	2007	Completed February 2007. Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Antietam Dr. / (apartment entrance) (32.42582, -84.91289)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 22.1786	Other (At-Grade) Single-Lane	2008	Completed April 2008. Functional Class: Collector ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Antietam Dr. / Lexington Lake Dr. (32.42737, -84.91043)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.2025	Other (At-Grade) Single-Lane	2010	Completed April 2010. Functional Class: Collector ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Grove Park Dr. / (apartment entrance) (32.55886, -84.97034)	Roundabout Existing	All-Way Yield None	4 Approaches 2 Driveways 40.2651	Other (At-Grade) Single-Lane	2006	Completed June 2006. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Gazebo Way / Vine St. (32.42785, -84.94247)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.1862	Other (At-Grade) Single-Lane	2009	Completed November 2009. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Preservation Way / Broadleaf Ln. (32.56264, -84.84101)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.2765	Other (At-Grade) Single-Lane	2007	Completed May 2007. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Wellington Trace / Wellington Way (32.57888, -84.90186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2817	Other (At-Grade) Single-Lane	2005	Completed April 2005. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Whitesville Walk / Woodville Dr. (32.55371, -84.97279)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1939	Other (At-Grade) Single-Lane	2007	Completed March 2007. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Warm Springs Rd. / Blackmon Rd. (32.54701, -84.89021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.1555	Other (At-Grade) Single-Lane	2011	Completed February 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	GA 219 (River Rd.) / Green Island Dr. / Bradley Park Dr. / Cascade Rd. (32.52817, -84.99224)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 52.3625	Other (At-Grade) Single-Lane	2019	https://www.wrbl.com/news/local-news/river-road-roundabout-opens-monday-afternoon-first-test-comes-tuesday-morning/ ICD estimated from Google Maps linework.
Columbus, GA Muscogee Co. United States	Cusseta Rd. / Fort Benning Rd. / Brennan Rd. / Lakeside Dr. (32.43741, -84.94018)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	https://chattvoice.com/new-south-columbus-roundabout-to-open-next-week-p2277-1.htm
Columbus, GA Muscogee Co. United States	Blackmon Rd. / Greystone Rd. (32.55196, -84.89764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2014-2016).
Columbus, GA Muscogee Co. United States	Flat Rock Rd. / Midland Commons Blvd. (32.54189, -84.87478)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Lane changes required to exit. Year Completed estimated (2022-2022).
Columbus, GA Muscogee Co. United States	Flat Rock Rd. / (unknown) (32.54468, -84.87492)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2021	Lane changes required to exit. Year Completed estimated (2020-2022).
Muskegon, MI Muskegon Co. United States	Beach St. / Lakeshore Dr. (43.21957, -86.33019)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mlive.com/news/muskegon/2020/06/roundabout-at-muskegons-pere-marquette-beach-opens-to-traffic.html
Casnovia, MI Muskegon Co. United States	M-37 / M-46 / Newaygo Rd. (43.23445, -85.81060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1950	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Muskegon, MI Muskegon Co. United States	W. Western Ave. / 3rd St. (43.23536, -86.25337)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3635	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Muskegon Township, MI Muskegon Co. United States	Chesapeake Dr. / Walker Rd. (43.23787, -86.17437)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4138	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Muskegon, MI Muskegon Co. United States	Terrace Point Rd. / (parking lot access) (43.24145, -86.25485)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.5812	Other (At-Grade) Single-Lane	1996	Year Completed unknown (before 1997). ICD estimated from Google Maps linework.
Bracebridge, ON Muskoka Canada	Taylor Rd. / Cedar Ln. (45.05055, -79.29578)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2009-2012).
(unknown), Rostov Myasnikovsky District Russia	(unknown) / (unknown) (47.36941, 39.64573)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown
Míkonos, Southern Aegean Mykonos Greece	Mykonou-Ano Meras / Pros Agio Ioanni-Orno / Mykonou-Tourlou (37.44612, 25.33487)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Myski, Kemerovo Myski Russia	Sovetskaya ulitsa / Olimpiyskaya ulitsa (53.71630, 87.79651)	Other Existing	Other Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)		Circulating traffic yields to entering traffic.
Myski, Kemerovo Myski Russia	Olimpiyskaya ulitsa / ulitsa Kuyukova (53.71320, 87.81136)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mysłowice, Śląskie Mysłowice Poland	DW 934 (Brzezińska) / Białobrzeska (50.19396, 19.16316)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Mytishchi, Moscow Mytishchi Russia	Ulitsa Mira / Yubileyinaya Ulitsa (55.91700, 37.72498)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 107.0000	Other (At-Grade) Multilane (3+ Lane)
Mytishchi, Moscow Mytishchinsky District Russia	Novomytishchinskiy prospekt / ulitsa Komarova (55.91634, 37.74717)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Mytishchi, Moscow Mytishchinsky District Russia	ulitsa Beloborodova / ulitsa Komarova / Ulitsa Institutskaya (55.91910, 37.74300)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whitehorse, YT N/A Canada	Hamilton Blvd. / McIntyre Dr. (60.71350, -135.10290)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.3912	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Whitehorse, YT N/A Canada	4th Ave. / Robert Service Way (60.71251, -135.05100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.7860	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2004-2010). ICD estimated from Google Maps linework.
Yorkton, SK N/A Canada	Bradbrooke Dr. / Gladstone Ave. / King St. / Winchester St. (51.20293, -102.47442)	Roundabout Existing	All-Way Yield Other	0 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2007	At-grade rail crossing on east leg (crossbucks only, no active devices). Year Completed estimated (2004-2009).
Saskatoon, SK N/A Canada	3rd Ave. / Spadina Crescent / Victoria St. (bridge) (52.12299, -106.66400)	Roundabout Existing	Unknown Unknown	0 Approaches 0 Driveways 22.7317	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	G St. / 3rd St. SW (38.88127, -77.01520)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 26.9620	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.