Roundabouts Database

8898 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType 		Year Completed Comments
Portland, OR
Multnomah Co.
United States 		SE 16th Ave./SE Ash St.
(45.52148, -122.64956) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 10/7/1988.
Portland, OR
Multnomah Co.
United States 		SE 27th Ave./SE Salmon St.
(45.51429, -122.63812) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1982 Completed 2/16/1982.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave./SE Grant St. (W)
(45.50679, -122.63472) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/16/1990.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave./SE Grant St. (E)
(45.50726, -122.63473) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/16/1990.
Portland, OR
Multnomah Co.
United States 		SE 41st Ave./SE Harrison St.
(45.50878, -122.62020) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 5/30/1990.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave./SE Bybee Blvd.
(45.47241, -122.62621) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1992 Completed 10/6/1992.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave./SE Bybee Blvd.
(45.47243, -122.62440) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1992 Completed 10/6/1992.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave./SE Bybee Blvd.
(45.47319, -122.62826) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1992 Completed 9/30/1992.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave./SE Gladstone St.
(45.49337, -122.63466) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1996 Completed 10/17/1996.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave./SE Gladstone St.
(45.49335, -122.62978) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1996 Completed 10/17/1996.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave./SE Harrison St.
(45.50879, -122.62572) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 9/14/1990.
Portland, OR
Multnomah Co.
United States 		SE Ladd Ave./SE Palm St.
(45.51025, -122.65144) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1993 Completed 11/8/1993.
Portland, OR
Multnomah Co.
United States 		SE Ladd Ave./SE Lavender St.
(45.50686, -122.64744) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1983 Completed 11/8/1983.
Portland, OR
Multnomah Co.
United States 		SE 46th Ave./SE Lincoln St.
(45.50802, -122.61510) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/23/1990.
Portland, OR
Multnomah Co.
United States 		SW 47th Dr./SW 43rd Ave.
(45.49244, -122.72114) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2007 Completed 4/29/2007.
Portland, OR
Multnomah Co.
United States 		1095 NE Gertz Rd
(45.59076, -122.65482) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		2 Approaches
0 Driveways 		Other
Single-Lane 		1988 Truck trap. Completed 3/17/1988.
Portland, OR
Multnomah Co.
United States 		SE 13th Ave./SE Salmon St.
(45.51434, -122.65264) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1989 Completed 1/11/1989.
Portland, OR
Multnomah Co.
United States 		SE 16th Ave./SE Salmon St.
(45.51435, -122.64961) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1982 Completed 2/18/1982.
Portland, OR
Multnomah
United States 		SE 36th Ave./SE Clinton St.
(45.50337, -122.62630) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 6/22/1990.
Portland, OR
Multnomah
United States 		SE 45th Ave./SE Clinton St.
(45.50336, -122.61610) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/25/1990.
Portland, OR
Multnomah
United States 		SE 47th Ave./SE Clinton St.
(45.50336, -122.61400) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/25/1990.
Portland, OR
Multnomah
United States 		SE 56th Ave./SE Woodward St.
(45.50140, -122.60500) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 10/27/1998.
Portland, OR
Multnomah
United States 		SE 58th Ave./SE Woodward St.
(45.50140, -122.60310) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 10/27/1998.
Portland, OR
Multnomah
United States 		NE 24th Ave./Brazee St.
(45.54050, -122.64110) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah
United States 		NE 24th Ave./Thompson St.
(45.53896, -122.64110) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah
United States 		NE 24th Ave./Tillamook St.
(45.53741, -122.64110) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah
United States 		NE 21st Ave./Thompson St.
(45.53898, -122.64420) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah
United States 		NE 21st Ave./Brazee St.
(45.54051, -122.64420) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah
United States 		NE 37th Ave./Morris St./Wisteria St.
(45.54467, -122.62500) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1986 Completed 12/23/1986.
Portland, OR
Multnomah
United States 		NE 37th Ave./Brazee St.
(45.54057, -122.62500) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1987 Completed 10/16/1987.
Portland, OR
Multnomah
United States 		NE 37th Ave./Thompson St.
(45.53904, -122.62500) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1987 Completed 11/16/1987.
Portland, OR
Multnomah
United States 		SE 32nd Ave./SE Lincoln St.
(45.50825, -122.63270) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/25/1990.
Portland, OR
Multnomah
United States 		SE 30th Ave./SE Caruthers St.
(45.50550, -122.63470) 		Neighborhood Traffic Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/23/1990.
Portland, OR
Multnomah
United States 		SE 31st Ave./SE Clinton St.
(45.50354, -122.63360) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 6/22/1990.
Portland, OR
Multnomah
United States 		SE 23rd Ave./SE Clinton St.
(45.50339, -122.64260) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 6/22/1990.
Portland, OR
Multnomah
United States 		SE 37th Ave./SE Lincoln St.
(45.50806, -122.62570) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/25/1990.
Portland, OR
Multnomah
United States 		SE 43rd Ave./SE Lincoln St.
(45.50799, -122.61810) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/23/1990.
Portland, OR
Multnomah
United States 		SE 51st Ave./SE Lincoln St.
(45.50803, -122.61000) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 4/23/1990.
Portland, OR
Multnomah
United States 		SE 55th Ave. (N)/SE Lincoln St.
(45.50806, -122.60650) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah
United States 		SE 55th Ave. (S)/SE Lincoln St.
(45.50804, -122.60610) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah
United States 		SE 58th Ave. (S)/SE Lincoln St.
(45.50805, -122.60380) 		Neighborhood Traffic Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1990 Completed 5/8/1990.
Portland, OR
Multnomah
United States 		SW Terwilliger Blvd./Palater Rd.
(45.45290, -122.67660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Previously controlled by one-way stop Functional Class: Collector
Portland, OR
Multnomah
United States 		NW 25th Ave./NW Quimby St.
(45.53330, -122.70280) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Portland, OR
Multnomah
United States 		NW 25th Ave./NW Overton St.
(45.53190, -122.70270) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Portland, OR
Multnomah
United States 		NW 25th Ave./NW Marshall St.
(45.53040, -122.70270) 		Neighborhood Traffic Circle
Existing 		Two-Way Stop
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		1988 Completed 9/30/1988.
Portland, OR
Multnomah
United States 		NE 39th Ave./Glisan St.
(45.52640, -122.62300) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. Functional Class: Arterial
Portland, OR
Multnomah
United States 		SE Ladd Circle
(45.50850, -122.64940) 		Other
Existing 		Unknown
None 		0 Approaches
0 Driveways 		Other
Single-Lane
Portland, OR
Multnomah
United States 		NE Mt. Hood Avenue/Frontage Road (PDX airport)
(45.57770, -122.55950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2000 Previously controlled by two-way stop Functional Class: Collector
Portland, WI
Monroe Co.
United States 		STH 27/STH 33
(43.74201, -90.79387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2016
Portsmouth, VA
N/A
United States 		Crawford St./Bart St.
(36.83202, -76.29770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2007

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