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
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 		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 		NE 47th Ave. / NE Brazee St.
(45.54056, -122.61496) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
34.2970 		Other (At-Grade)
Single-Lane 		1990 Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 47th Ave. / NE Thompson St.
(45.53903, -122.61496) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
18.4038 		Other (At-Grade)
Single-Lane 		1990 Completed 9/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Harrison St.
(45.50879, -122.62572) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
80.3506 		Other (At-Grade)
Single-Lane 		1990 Completed 9/14/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 14th Ave. / SE Main St.
(45.51365, -122.65165) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.9013 		Other (At-Grade)
Single-Lane 		1988 Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 14th Ave. / SE Taylor St.
(45.51507, -122.65166) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
17.5747 		Other (At-Grade)
Single-Lane 		1988 Completed 9/12/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 14th Ave. / SE Pine St.
(45.52077, -122.65158) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0625 		Other (At-Grade)
Single-Lane 		1988 Completed 9/12/1988. 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 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 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 		SE 41st Ave. / SE Harrison St.
(45.50878, -122.62020) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
80.3506 		Other (At-Grade)
Single-Lane 		1990 Completed 5/30/1990. 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 		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 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 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 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 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 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 46th Ave. / SE Lincoln St.
(45.50802, -122.61510) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.1539 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Grant St. (W)
(45.50679, -122.63472) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
14.2293 		Other (At-Grade)
Single-Lane 		1990 Completed 4/16/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Grant St. (E)
(45.50726, -122.63473) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
109.6480 		Other (At-Grade)
Single-Lane 		1990 Completed 4/16/1990. ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States 		Kimball Ave. / Grand Mere Pkwy.
(39.20168, -96.63786) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.3931 		Other (At-Grade)
Single-Lane 		2000 Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework.
(unincorporated), CA
Sonoma Co.
United States 		Arnold Dr. / Agua Caliente Rd.
(38.32045, -122.50220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8586 		Other (At-Grade)
Single-Lane 		2013 Completed 2013. Previously controlled by two-way stop ICD estimated from Google Maps linework.
London, ON
Middlesex
Canada 		Raleigh Blvd. / Tillmann Rd.
(42.93469, -81.30829) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
110.0000 		Other (At-Grade)
Single-Lane 		2010 completed 2010 based on Google historical aerials
Varberg, Halland County
Varbergs kommun
Sweden 		Marmorgatan / Brearedsvägen / Täljstensgatan
(57.08555, 12.27473) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2005 Completed 2005 or earlier.
Varberg, Halland County
Varbergs kommun
Sweden 		Västkustvägen / Hobbyvägen
(57.08522, 12.27299) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2005 Completed 2005 or earlier
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 27th Ave. / SE Salmon St.
(45.51429, -122.63812) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
29.2916 		Other (At-Grade)
Single-Lane 		1982 Completed 2/16/1982. ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #9
(43.90348, -121.42740) 		Other
Existing 		Unknown
None 		0 Approaches
0 Driveways
84.3314 		Other (At-Grade)
Single-Lane 		Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #10
(43.89851, -121.42340) 		Other
Existing 		Unknown
None 		0 Approaches
0 Driveways
86.0596 		Other (At-Grade)
Single-Lane 		Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #11
(43.89212, -121.42430) 		Other
Existing 		Unknown
None 		0 Approaches
0 Driveways
82.6261 		Other (At-Grade)
Single-Lane 		Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #1
(43.87218, -121.43960) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
80.9318 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #2
(43.87863, -121.43480) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.7839 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #3
(43.88271, -121.43980) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
93.8299 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #4
(43.89000, -121.43850) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
84.3505 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #5
(43.89635, -121.44420) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
61.1046 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #6
(43.90435, -121.43830) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
79.1671 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR
Deschutes Co.
United States 		Circle #7
(43.91307, -121.43810) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
69.6913 		Other (At-Grade)
Single-Lane 		1968 Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Fruita, CO
Mesa Co.
United States 		Aspen Ave. / Mesa St. (Park Square)
(39.15884, -108.73360) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
77.7908 		Other (At-Grade)
Unknown 		Completed 1940? 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 Fremont Dr. / NE Dyer St.
(45.54603, -122.57509) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
29.2751 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE 86th Ave.
(45.54567, -122.57478) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
25.0931 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Fremont Dr. / NE Duddleson St.
(45.54667, -122.57574) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
33.4569 		Other (At-Grade)
Single-Lane 		1986 Completed 12/2/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE Ladd Ave. / SE Palm St.
(45.51025, -122.65144) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1743 		Other (At-Grade)
Single-Lane 		1993 Completed 11/8/1993. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE Ladd Ave. / SE Lavender St.
(45.50686, -122.64744) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
24.2734 		Other (At-Grade)
Single-Lane 		1983 Completed 11/8/1983. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Clackamas St. / NE 53rd Ave.
(45.53300, -122.60880) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
30.1185 		Other (At-Grade)
Single-Lane 		1988 Completed 11/3/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 53rd Ave. / NE Hassalo St.
(45.53048, -122.60880) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
35.1398 		Other (At-Grade)
Single-Lane 		1988 Completed 11/3/1988. 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 16th Ave. / SE Ash St.
(45.52148, -122.64956) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5935 		Other (At-Grade)
Single-Lane 		1988 Completed 10/7/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Bybee Blvd.
(45.47241, -122.62621) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
56.9518 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE Bybee Blvd. / (SE 37th Ave.)
(45.47243, -122.62440) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
20.1003 		Other (At-Grade)
Single-Lane 		1992 Completed 10/6/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 41st St.
(45.56858, -122.62172) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
81.9374 		Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 34th Ave.
(45.56826, -122.62965) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
159.6952 		Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE Holman St. / NE 37th Ave.
(45.56826, -122.62557) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1988 Completed 10/28/1988.
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 		NE Imperial Ave. / NE Multnomah St.
(45.53154, -122.62719) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
74.4616 		Other (At-Grade)
Single-Lane 		1987 Completed 10/22/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Gladstone St.
(45.49337, -122.63466) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6514 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Gladstone St.
(45.49335, -122.62978) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
61.9539 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. 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 US Grant Pl. / NE 35th Ave.
(45.53779, -122.62841) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
14.2214 		Other (At-Grade)
Single-Lane 		1989 Completed 10/11/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE US Grant Pl. / NE 36th Ave.
(45.53777, -122.62601) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1546 		Other (At-Grade)
Single-Lane 		1989 Completed 10/11/1989. ICD estimated from Google Maps linework.
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 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 7th Ave. / NE Cook St.
(45.54717, -122.65859) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
17.5647 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Tillamook St. (W)
(45.53790, -122.65861) 		Traffic Calming Circle
Existing 		Unknown
None 		3 Approaches
0 Driveways
83.6552 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Sacramento St.
(45.53955, -122.65862) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
121.2965 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Russell St.
(45.54126, -122.65861) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
161.4450 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 7th Ave. / NE Graham St.
(45.54296, -122.65859) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
161.4401 		Other (At-Grade)
Single-Lane 		1992 Completed 1/9/1992. 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.
Wetumpka, AL
Elmore Co.
United States 		Company St. / Orline St. / Spring St.
(32.53874, -86.20352) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Company Street is one-way into roundabout on southwest leg; Orline Street is one-way out of the roundabout on west leg. Converted from uncontrolled triangle intersection with stop control on Spring St. https://satellites.pro/Wetumpka_map.Alabama_region.USA#32.538481,-86.203482,19 https://www.thewetumpkaherald.com/news/downtown-roundabout-sidewalks-project-set-to-begin-soon/article_4a1c0578-6fdd-11eb-b5f6-2b2d840f04e5.html
Glen Ellyn, IL
DuPage Co.
United States 		Crescent Blvd. / Crescent Ct. / Park Row
(41.87975, -88.05899) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9936 		Other (At-Grade)
Single-Lane 		2015 Compact urban roundabout - T-intersection with fourth leg between top and stem of T. Providing a means for legal U-turns was an important factor in selection of a roundabout here.
Vancouver, WA
Clark Co.
United States 		SR 500 (NE Fourth Plain Rd.) / NE182nd Ave.
(45.67192, -122.48864) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
26.8221 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 Compact roundabout. WSDOT project. Completed August 20, 2022. Colored apron with asphalt interior.
Gardnerville, NV
Douglas Co.
United States 		NV-88 / Centerville Ln.
(38.91043, -119.77916) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.3749 		Other (At-Grade)
Single-Lane 		2018 Compact roundabout. ICD estimated from Google Maps linework.
(unincorporated), WA
Spokane Co.
United States 		SR 902 (W Medical Lake Rd.) / Craig Rd.
(47.59464, -117.60751) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.7735 		Other (At-Grade)
Single-Lane 		2018 Compact roundabout (95' ICD). Open to traffic July 23, 2018. ICD estimated from Google Maps linework.
Lincoln, RI
Providence Co.
United States 		(college entrance roadway) / (parking)
(41.89960, -71.45290) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Community College of Rhode Island Flanagan Campus.
Santa Fe, NM
Santa Fe Co.
United States 		Richards Ave. / College Dr.
(35.60719, -106.00060) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.1017 		Other (At-Grade)
Single-Lane 		2003 Community College District South of I-25 Previously controlled by 2 way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Eastham, MA
Barnstable Co.
United States 		Eastham Rotary (US 6 / Rte 6A / Smith Ln.)
(41.79887, -69.98398) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
151.3610 		Other (At-Grade)
Single-Lane 		Commonly known as "the Eastham rotary" ICD estimated from Google Maps linework.
Waterford, VA
Loudoun Co.
United States 		Charles Town Pike / E Colonial Hwy. / Dry Mill Pkwy. / SR 7 EB Ramps
(39.14003, -77.61273) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2015 Combines two stop-controlled intersections. Year Completed estimated (2014-2016).
St. George, UT
Washington Co.
United States 		E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd.
(37.05999, -113.58560) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
78.1526 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Combines interchange ramps and frontage road. ICD estimated from Google Maps linework.
Powell, TN
Knox Co.
United States 		W Beaver Creek Dr. / Brickyard Rd. / Lyngate Blvd.
(36.02440, -84.02453) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Combined two T-intersections. Year Completed estimated (2023-2024).
Fond du Lac, WI
Fond Du Lac Co.
United States 		Fond du Lac Ave. / Rienzi Rd. / National Ave.
(43.76212, -88.42196) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2021 Combined two T-intersections. Year Completed estimated (2020-2021).
Augusta, GA
Richmond Co.
United States 		Twiggs St. / Old Savannah Rd. / Martin Luther King Jr Blvd. / Picquet Ave.
(33.45716, -81.97994) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8642 		Other (At-Grade)
Single-Lane 		2018 Combined two three-way intersections, one previously controled by a single Yield, the other controlled by a single Stop. https://www.wrdw.com/content/news/Roundabouts-nearing-completion-across-Augusta-491061611.html ICD estimated from Google Maps linework.
Sauk Rapids, MN
Benton Co.
United States 		CSAH 3 (Golden Spike Rd NE) / US 10 WB Ramps / Quarry Rd.
(45.59872, -94.14657) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.7823 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 Combined two stop-controlled intersections into one. ICD estimated from Google Maps linework.
Quebec, QC
Quebec
Canada 		Boulevard Lebourgneuf / Rue de Celles / Boulevard St Jacques
(46.82286, -71.31871) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.4958 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Combined two signalized intersections. Bus-only lane in circulatory roadway. ICD estimated from Google Maps linework.
Howland, ME
Penobscot Co.
United States 		Coffin St. / Lagrange Rd. / River Rd.
(45.23886, -68.66019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
105.1237 		Other (At-Grade)
Single-Lane 		2012 Combined two one-way stop-controlled T-intersections and a new bridge alignment into a single-lane roundabout. ICD estimated from Google Maps linework.
Soo Township, MI
Chippewa Co.
United States 		S Mackinac Trl. / Three Mile Rd. / I-75 Business Spur
(46.46298, -84.37301) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.1835 		Other (At-Grade)
Single-Lane 		2018 Combined two intersections: Mackinac Trail/I-75 Bus. Spur (traffic light) and Mackinac Trail/3 MIle Rd (one-way stop) ICD estimated from Google Maps linework.
Fort Wayne, IN
Allen Co.
United States 		Bass Rd. / N Hadley Rd. / Yellow River Rd.
(41.08864, -85.23647) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019 Combined two intersections. Rail line crossing through center of roundabout. Gates cover circulatory roadway and one entry that intersects crossing.
Parma, MI
Jackson Co.
United States 		W Michigan Ave. / Norton Rd. / I-94 WB Ramps
(42.26653, -84.62125) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 Combined two intersections. https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/
Summit Township, PA
Erie Co.
United States 		Oliver Rd. / Hamot Rd. / Flower Rd.
(42.02926, -80.09261) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Combined two intersections, a 4-way and a 3-way, both with one/two-way stops. https://www.goerie.com/story/news/local/2022/09/02/summit-township-five-points-roundabout-detours-traffic-transportation-penndot-construction-roads/65466614007/
Bayfield, CO
La Plata Co.
United States 		N Mountain View Dr. / E Lakeside Dr. / E Oak Dr.
(37.23990, -107.59445) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
18.0655 		Other (At-Grade)
Single-Lane 		2018 Combined two close intersections. ICD estimated from Google Maps linework.