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
Owatonna, MN
Steele Co.
United States 		CSAH 7 / TH 14 EB Ramps
(44.05747, -93.27671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3480 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Owatonna, MN
Steele Co.
United States 		CSAH 7 / TH 14 WB Ramps
(44.05998, -93.27671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1964 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2012 ICD estimated from Google Maps linework.
Kemptville, ON
United Counties of Leeds and Grenville
Canada 		CR 43 / Rideau River Rd.
(45.02990, -75.63668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Westmoreland Dr. / S. Lake Adair Blvd.
(28.55947, -81.39339) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.0291 		Other (At-Grade)
Single-Lane 		1998 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints; skewed Functional Class: Collector? ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		Washington Ave. / Tyler St. / Winfield St.
(35.10256, -92.44462) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.1988 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Arterial ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Westmoreland Dr. / N. Lake Adair Blvd.
(28.56104, -81.39342) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
17.8328 		Other (At-Grade)
Single-Lane 		1999 Old circle, judging by condition of brick pavement; additional yield signs w/ minimum fine; official bike route; drainage constraints Functional Class: Collector? ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Pike St.
(47.61410, -122.29250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pike St.
(47.61408, -122.29140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		33rd Ave. E / E. Pike St.
(47.61405, -122.29030) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
73.2661 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Pine St.
(47.61526, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
63.6032 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Olive St.
(47.61643, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5424 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		32nd Ave. E / E. Howell St.
(47.61763, -122.29130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.2709 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		33rd Ave. E / E. Howell St.
(47.61764, -122.29020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
79.7016 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / Wallingfor Ave. N
(47.69778, -122.33650) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.6460 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N. 36th St.
(47.65051, -122.33750) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.6775 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Bourne, MA
Barnstable Co.
United States 		US 6 / Rte. 28 (Main St.)
(41.74607, -70.61805) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
92.6736 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Lehi, UT
Utah Co.
United States 		Main St. (Hwy 73) / N 500 W (Hwy 197)
(40.38755, -111.85710) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
30.9296 		Other (At-Grade)
Single-Lane 		2003 Railroad approx. 400 feet from roundabout. Traffic is backed up on Main St. at all locations including the RR xing and roundabout - high growth and no other traffic options to and from freeway. ICD estimated from Google Maps linework.
Bellevue, WI
Brown Co.
United States 		US 141 / Allouez Ave.
(44.45882, -87.95038) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4753 		Other (At-Grade)
Single-Lane 		2007 Railroad is ~110 feet from roundabout. Seasonal summaer crossing and maybe 1 train per day for a short duration. Opened November 2, 2007. ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Kilborn Ave. / Lamira St.
(45.38604, -75.67085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.5195 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Prince of Wales Dr. / National Capital Com Driveway
(45.39028, -75.70744) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.2598 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Converted old circle. ICD estimated from Google Maps linework.
Bridal Falls, BC
Fraser Valley Regional District
Canada 		Hwy 9 / Yale Road East
(49.18523, -121.76500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Completed October 29, 2004.
Fort Wayne, IN
Allen Co.
United States 		Old Mill Rd. / Westover Rd.
(41.04247, -85.15324) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7261 		Other (At-Grade)
Single-Lane 		2001 Previously controlled by two-way stop control Functional Class: Collector ICD estimated from Google Maps linework.
Fort Wayne, IN
Allen Co.
United States 		Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St.
(41.06100, -85.10003) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 One of two adjacent roundabouts.
Fort Wayne, IN
Allen Co.
United States 		Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St.
(41.06183, -85.09948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 One of two adjacent roundabouts.
Dublin, OH
Union Co.
United States 		Hyland-Croy Rd. / Glacier Ridge Blvd
(40.15634, -83.18476) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9484 		Other (At-Grade)
Single-Lane 		2006 A school nearby and park on the other side. Previously controlled by stop control side street Functional Class: Arterial/Residential ICD estimated from Google Maps linework.
Asheville, NC
Buncombe Co.
United States 		College St. / Valley St. / Oak St.
(35.59719, -82.54733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1343 		Other (At-Grade)
Single-Lane 		2005 Entrance to downtown. Downtown redevelopment - "road diet". ICD estimated from Google Maps linework.
West Jordan, UT
Salt Lake Co.
United States 		W 8020 S / (parking lots)
(40.60561, -111.93990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.3888 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Main St. / 7th St.
(39.06731, -108.56104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.8912 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Riverhead, NY
Suffolk Co.
United States 		Rte. 58 / Roanoke Ave.
(40.93315, -72.67399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.7005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework.
Fort Montgomery, NY
Orange Co.
United States 		US 6 / US 9W / Bear Mountain Bridge
(41.32020, -73.99147) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
98.6676 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Bear Mountain, NY
Rockland Co.
United States 		US 6 / Seven Lakes Dr.
(41.30530, -74.03460) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
109.4564 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Squamish, BC
Squamish-Lillooet District
Canada 		Commercial Way / Discovery Way
(49.72279, -123.15057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Home Depot retail center on one corner. Uses fishhook signs and pavement markings. Year Completed estimated (2004-2009).
Orlando, FL
Orange Co.
United States 		Arbor Park Ln. / Village Oak Ln.
(28.78793, -81.35421) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.4483 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		Arbor Park Ln. / Colonial Center Pkwy. / Colonial Grand Ln.
(28.79006, -81.35422) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.3075 		Other (At-Grade)
Single-Lane 		Part of retail shopping center/office park development. Series of three roundabouts. Functional Class: Local ICD estimated from Google Maps linework.
Quincy, MA
Norfolk Co.
United States 		Washington St (Rte 3A) / Dee Rd
(42.24553, -70.97224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
66.3095 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Rotary update ICD estimated from Google Maps linework.
Hingham, MA
Plymouth Co.
United States 		Rte. 3A (Summer St.) / Chief Justic Cushing Hwy. / Green St.
(42.24615, -70.88130) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
60.1200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Newport, RI
Newport Co.
United States 		J. T. Connell Hwy. / Admiral Kalbfus Rd.
(41.50703, -71.31757) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2022 Conversion from rotary to roundabout. https://www.newportthisweek.com/articles/rotary-morphing-into-a-roundabout/
Boston, MA
Suffolk Co.
United States 		Columbia Rd. / William J. Day Blvd.
(42.32172, -71.05128) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
69.7616 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		Willard St. / I-93 Ramps / Furnace Brook Expwy.
(42.24208, -71.02673) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
99.0276 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Woburn, MA
Middlesex Co.
United States 		I-95 Ramps / MA 38 (Main St.)
(42.49945, -71.15711) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.8196 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Revere, MA
Suffolk Co.
United States 		Copeland Circle [Rte 60 (Squire Rd.) / US 1 Ramps]
(42.43008, -71.01710) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
381.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		Retrofitted (November 2018) with multi-lane approaches/departures on the Route 1 ramps and roundabout style pavement markings and signs within the circulating roadway. ICD = 1250 ft x 880 ft. 21442
Sedona, AZ
Coconino Co.
United States 		AZ 89A / AZ 179
(34.86597, -111.76370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.1774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Hollymead, VA
Albemarle Co.
United States 		Timberwood Blvd. / Conner Blvd.
(38.13065, -78.44083) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.8813 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Hollymead, VA
Albemarle Co.
United States 		Timberwood Blvd. / Grand Forks Blvd.
(38.13111, -78.44283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
93.9459 		Other (At-Grade)
Single-Lane 		2006 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.
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / West Quad
(38.54028, -121.75010) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.9467 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / North Quad
(38.54252, -121.75300) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.5511 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Storer Mall
(38.54082, -121.75250) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.0783 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Hutchison Dr.
(38.53909, -121.75200) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3015 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Palm Ave. / Keystone Ave.
(38.68635, -121.77050) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.0198 		Other (At-Grade)
Single-Lane 		Circular intersection in older neighborhood. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Kendall Ave. / Grand Ave.
(43.07145, -89.43156) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1997
Madison, WI
Dane Co.
United States 		New Washburn Way / Dandaneau Trl. / Chautauqua Trl.
(43.04669, -89.51501) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.9650 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Glenway St. / Hillcrest Dr.
(43.06437, -89.43896) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.3433 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Beaverton, OR
Washington Co.
United States 		SW Hart Rd. / Sorrento Rd. / Juniper Terr.
(45.46680, -122.80880) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1283 		Other (At-Grade)
Single-Lane 		Functional Class: Collector. Pedestrian ramps into circulatory roadway. 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.
Eno, CO
Adams Co.
United States 		Kittredge St. / E. 107th Ave.
(39.89114, -104.80140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.3237 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Oshkosh, WI
Winnebago Co.
United States 		Jackson St. / Murdock Ave.
(44.03947, -88.54265) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Elmgrove St.
(47.53009, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Edmonton, AB
Edmonton Capital Region
Canada 		107th Ave. / 142nd St. NW
(53.55102, -113.56580) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
81.5992 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Hayden Run Rd.
(40.06202, -83.13750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD = 160 feet in one-lane section, 180 in two-lane section.
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Riggins Rd.
(40.06493, -83.13857) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006 Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes.
Eno, CO
Adams Co.
United States 		Memphis St. / E. 105th Way
(39.88830, -104.79660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.8265 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Centre St.
(42.28730, -71.14774) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
68.9162 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Tumwater Blvd. / New Market St.
(46.97971, -122.91320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.7052 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Medford, OR
Jackson Co.
United States 		Highland Dr. / Siskiyou Blvd.
(42.32110, -122.84986) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006 Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg.
Yelm, WA
Thurston Co.
United States 		SR 510 / Mud Run Rd. SE
(46.96465, -122.63230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8630 		Other (At-Grade)
Single-Lane 		2010 October 2010. ICD estimated from Google Maps linework.
Mendon, NY
Monroe Co.
United States 		NY 65 / NY 251
(42.99061, -77.57766) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8180 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States 		Tartan Hills Pkwy (VA 3254) / Broadsword Dr. (VA 3256)
(38.74232, -77.58066) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.9462 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Linton Hall, VA
Prince William Co.
United States 		Braemar Pkwy. (VA 3080) / Iona Sound Dr. (VA 3089)
(38.73510, -77.56889) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.5816 		Other (At-Grade)
Single-Lane 		1999 Year Completed estimated (1994-2002). ICD estimated from Google Maps linework.
Amherst, VA
Amherst Co.
United States 		US 60 / US 29
(37.58815, -79.04990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.2314 		Other (At-Grade)
Single-Lane 		2004 Constructed in 1936, upgraded in 1940 and again in 2004. ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmoreland Blvd. / Morningside Blvd.
(27.25997, -80.30961) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.8991 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		SR 206 (Mt. Spokane Park Dr.) / Bruce Rd.
(47.78761, -117.30400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3076 		Other (At-Grade)
Single-Lane 		2005 http://www.wsdot.wa.gov/Projects/SR206/BruceRoadRoundabout/. Opened December 2005. Previously controlled by 2-way stop control ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		Wellesley Ave. / A St.
(47.70076, -117.45400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7401 		Other (At-Grade)
Single-Lane 		2005 Opened October 2005. ICD estimated from Google Maps linework.
Petaluma, CA
Sonoma Co.
United States 		Casa Grande Rd. / Ely Blvd.
(38.24348, -122.59580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8924 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		W Riverwood Blvd. / W Kirby Ave.
(33.41608, -112.27480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.9473 		Other (At-Grade)
Single-Lane 		2002 Painted splitter islands. ICD estimated from Google Maps linework.
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Avenida Centerville
(34.75854, -112.05880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.0983 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Clarkdale, AZ
Yavapai Co.
United States 		AZ 89A / Cement Plant Rd. / Clarkdale Pkwy.
(34.76220, -112.06416) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009).
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Groseta Ranch Rd.
(34.74706, -112.04510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.1235 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Lisa St. / Lincoln Dr.
(34.75449, -112.05400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0444 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 5 roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		16th Ave. E. / E. Spring St.
(47.61154, -122.31150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
8.8568 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		15th Ave. E. / E. Spring St.
(47.61155, -122.31280) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
44.2838 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.