28735 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
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
N Clarendon Ave
(45.58974, -122.72415)
Traffic Calming Circle
Existing
Unknown
None
1 Approaches
1 Driveways
Other (At-Grade)
Single-Lane
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
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 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
NE 7th Ave. / NE Morris St.
(45.54468, -122.65860)
Traffic Calming Circle
Removed
One-Way/Two-Way Stop
None
3 Approaches
0 Driveways
128.8135
Other (At-Grade)
Single-Lane
2013 Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework.
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 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
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
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 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
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
NW 26th Ave. / NW Raleigh St.
(45.53397, -122.70479)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
19.2420
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 27th Ave. / NW Raleigh St.
(45.53395, -122.70680)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
10.0393
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
SE 15th Ave. / SE Oak St.
(45.52006, -122.65057)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
23.4309
Other (At-Grade)
Single-Lane
1988 Completed 9/6/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
SE 15th Ave. / SE Alder St.
(45.51792, -122.65058)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
15.9001
Other (At-Grade)
Single-Lane
1988 Completed 9/7/1988. 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 13th Ave. / SE Madison St.
(45.51294, -122.65266)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
12.5539
Other (At-Grade)
Single-Lane
1988 Completed 9/8/1988. 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 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 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.
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.
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 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
SE 34th Ave. / SE Bybee Blvd.
(45.47319, -122.62826)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
81.2389
Other (At-Grade)
Single-Lane
1992 Completed 9/30/1992. 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
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 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
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
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 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
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 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
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
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.
Mülheim an der Ruhr, North Rhine-Westphalia
Mülheim an der Ruhr
Germany
SalierStraße / (unknown)
(51.42349, 6.85574)
Other
Existing
Unknown
None
3 Approaches
0 Driveways
26.8104
Other (At-Grade)
Single-Lane
Parking along circulatory roadway. ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia
Mülheim an der Ruhr
Germany
Hardenbergstraße / Hingbergstraße
(51.43353, 6.92468)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
14.8914
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia
Mülheim an der Ruhr
Germany
Am Förderturm / Humboldtring
(51.44148, 6.94859)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.0554
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Mukachëvo, Zakarpattya
Mukacheve Raion
Ukraine
T-09 (vulytsia Myru) / Mykoly Rohlieva vulytsia / vulytsia Koshuta
(48.44168, 22.73059)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Udon Thani, Udon Thani
Mueang Udon Thani District
Thailand
Rte 2-AH12 (Thanon Thahan) / Rte 22 (Thanon Posri) / Adulyadet Rd
(17.40431, 102.79391)
Other
Existing
Uncontrolled
None
5 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Aimin District, Heilongjiang
Mudanjiang
China
Xiangyang St. / Xishenglin St. / (unknown)
(44.59312, 129.59736)
Unknown
Unknown
All-Way Yield
Unknown
6 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Dongan District, Heilongjiang
Mudanjiang
China
W Santiao Rd. / Wusuli Rd. / Miehe St.
(44.55653, 129.62837)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Aimin District, Heilongjiang
Mudanjiang
China
Dongdiming St. / Beian Rd.
(44.60754, 129.61475)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Pedestrian access to central island.
New Town, ND
Mountrail Co.
United States
ND 23 / ND 8
(47.97788, -102.34376)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
60.9600
Other (At-Grade)
Single-Lane
2023
Mount Isa City, QLD
Mount Isa
Australia
Rodeo Dr. / Miles St.
(-20.72618, 139.49169)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Mount Gambier, SA
Mount Gambier
Australia
Jubilee Hwy. (A1-B1) / Penola Rd. (A66-B66)
(-37.82341, 140.78317)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Mount Gambier, SA
Mount Gambier
Australia
B1 (Jubilee Hwy. W) / Sutton Ave. / Suttontown Rd.
(-37.81775, 140.76508)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Mount Gambier, SA
Mount Gambier
Australia
B1 (Jubilee Hwy. W) / Wehl St. N
(-37.82150, 140.77695)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Suttontown, SA
Mount Gambier
Australia
B1 (Jubilee Hwy. W) / Graham Rd. / O'Leary Rd.
(-37.81380, 140.75288)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Mount Gambier, SA
Mount Gambier
Australia
Suttontown Rd. / Wireless Rd. W
(-37.80802, 140.76999)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Mount Gambier, SA
Mount Gambier
Australia
Wehl St. N / Wireless Rd. W
(-37.81184, 140.78178)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Mount Gambier, SA
Mount Gambier
Australia
Wehl St. N / Allison St.
(-37.80631, 140.78458)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Mount Gambier, SA
Mount Gambier
Australia
Commercial St. W / Sutton Ave. / White Ave.
(-37.82264, 140.76252)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Mount Barker, SA
Mount Barker
Australia
B37 (Adelaide Rd. - Wellington Rd.) / Flaxley Rd. / Alexandrina Rd.
(-35.07319, 138.85757)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Castlemaine, VIC
Mount Alexander
Australia
Berkeley St. / Hargraves St.
(-37.06005, 144.22039)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Castlemaine, VIC
Mount Alexander
Australia
Hunter St. / Hargraves St.
(-37.05770, 144.22082)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Harcourt, VIC
Mount Alexander
Australia
A300 (Midland Hwy.) / Victoria Rd. / M79 (Calder Freeway) SB Ramps
(-37.00312, 144.25039)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Single-Lane
Castlemaine, VIC
Mount Alexander
Australia
B180 (Forest St.) / Hargraves St. / Wheeler St.
(-37.06708, 144.21916)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Castlemaine, VIC
Mount Alexander
Australia
Lyttleton St. / Urquhart St.
(-37.06503, 144.22215)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Moss, Viken
Moss
Norway
Fv118 (Fjordveien - Carsten Ankers Gate) / Dyreveien / Viggo Hansteens alle
(59.42368, 10.66716)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other (At-Grade)
Single-Lane