Roundabouts Database

29411 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
Sequim, WA
Clallam Co.
United States 		W Washington St. / River Rd.
(48.07758, -123.13480) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
31.9184 		Other (At-Grade)
Single-Lane 		2004 Opened June 2004. Northbound right turn bypass lane. ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		E. Sharp Ave. / N. Columbus St.
(47.66950, -117.39490) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.5195 		Other (At-Grade)
Single-Lane 		1992 September 1992. ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		49th Ave. NE / 33rd St. NE / Norpoint Way NE
(47.28643, -122.38220) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.9249 		Other (At-Grade)
Single-Lane 		2004 Opened December 2004. ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		S Tyler St. / S 66th St.
(47.19746, -122.49280) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.9685 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. Fatal crash August 12. 2006. 11861-05. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		W. 6th St. / Esther St.
(45.62572, -122.67610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.2336 		Other (At-Grade)
Single-Lane 		2005 Opened June 2005. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 137th Ave. / NE 49th St.
(45.65733, -122.53190) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0691 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened January 2008. ICD estimated from Google Maps linework.
West Richland, WA
Benton Co.
United States 		Bombing Range Rd. / Keene Rd.
(46.26271, -119.34237) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2005 Free-flow bypass lane on east leg. Opened October 2005. Plans underway to replace with signalized intersection: https://www.tricitiesbusinessnews.com/2021/12/wr-traffic-circle/
White Center, WA
King Co.
United States 		10th Ave. SW / SW 100th St.
(47.51379, -122.34770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
12.1000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2006 Opened April 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework.
White Center, WA
King Co.
United States 		9th Ave. SW / SW 100th St.
(47.51379, -122.34640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.5200 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2006 Opened April 2006. Previously controlled by two-way stop Functional Class: Neighborhood Collector ICD estimated from Google Maps linework.
Woodinville, WA
King Co.
United States 		136th Ave. NE / Woodinville High School Entrance
(47.77161, -122.15860) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.6862 		Other (At-Grade)
Single-Lane 		2003 Opened October 2003. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		64th St W / Park Entrance
(47.19891, -122.56530) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.4022 		Other (At-Grade)
Single-Lane 		2004 Completed before July 2004. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Cirque Dr. W / Alameda Ave. W / 56th St. W
(47.20639, -122.51600) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.3624 		Other (At-Grade)
Single-Lane 		2002 Completed December 2002. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		40th St. W / Drexler Dr. W
(47.22084, -122.53430) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.6351 		Other (At-Grade)
Single-Lane 		2006 Completed June 2006. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Vashon Dr. NE / Columbia Way NE
(47.09724, -122.77000) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.0175 		Other (At-Grade)
Single-Lane 		2005 Opened December 2005. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Britton Pkwy. NE / Gateway Blvd.
(47.06858, -122.78590) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.3012 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Opened September 2007. ICD estimated from Google Maps linework.
Fruitland, MD
Wicomico Co.
United States 		MD 513 Cedar Ln. / Division St.
(38.32094, -75.61021) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.0471 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Saint Leonard, MD
Calvert Co.
United States 		Calvert Beach Rd. / MD 765 Saint Leonard Rd.
(38.47316, -76.50607) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.2460 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Hampstead, MD
Carroll Co.
United States 		MD 88 / MD 833
(39.60434, -76.83682) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.0470 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Chaptico, MD
St. Marys Co.
United States 		MD 234 / MD 238
(38.36791, -76.78179) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.5833 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Clarksville, MD
Howard Co.
United States 		Brighton Dam Rd. / Ten Oaks Rd.
(39.20491, -76.95455) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
35.1680 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Deale, MD
Anne Arundel Co.
United States 		MD 256 / MD 258
(38.79327, -76.54586) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.4423 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States 		Constant Friendship Blvd. / BJ's
(39.45546, -76.31870) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
29.5092 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Odenton, MD
Anne Arundel Co.
United States 		MD 175 / MD 677 / Higgins Dr.
(39.07831, -76.68481) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Reduced from two lanes to one lane in 2010. 21442
Loveland, CO
Larimer Co.
United States 		Monte Vista Dr. East / W. 22nd St.
(40.41451, -105.13180) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.5519 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Monte Vista Dr. West / W. 22nd St.
(40.41449, -105.13290) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
26.3706 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		New Castle Dr. / Tabernash Dr.
(40.42599, -105.12010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.5477 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Scenic Dr. / Foothills Dr.
(40.39674, -105.13522) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1998 Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 43rd St.
(47.65912, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Loveland, CO
Larimer Co.
United States 		Sculptor Dr. / Corvus Dr.
(40.39647, -105.03130) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
37.2926 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Tacanecy Dr. / Marcy Dr.
(40.39230, -105.12140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.1082 		Other (At-Grade)
Single-Lane 		1995 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Tiger Ave. / Angora Dr.
(40.37680, -105.12750) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.2050 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Valley Oak Dr. / Clearwater Dr.
(40.44328, -105.02180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.5398 		Other (At-Grade)
Single-Lane 		2000 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		Main St. / (unknown)
(39.51799, -104.75580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
19.3480 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Independent Ave. / Sams Club entrance
(39.08170, -108.58310) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
33.3754 		Other (At-Grade)
Single-Lane 		2003 Serves commercial development parking lot. ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Colorado Ave. / S. 2nd St.
(39.06636, -108.56950) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.9643 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		G Rd. / 25th Rd.
(39.10636, -108.58940) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.5834 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		G Rd. / 24 1 / 2 Rd.
(39.10635, -108.59870) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.2905 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 43rd St.
(47.65914, -122.33380) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Colorado Springs, CO
El Paso Co.
United States 		University of Colorado - Colorado Springs
(38.89215, -104.80190) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
36.2537 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 42nd St.
(47.65797, -122.33380) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Loveland, CO
Larimer Co.
United States 		Crestone Dr. / Foothills Dr.
(40.39717, -105.13149) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1997 Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Greeley, CO
Weld Co.
United States 		W. 29th St. / 67th Ave.
(40.38995, -104.78710) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
48.2121 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Erie, CO
Weld Co.
United States 		CW Bixler Blvd. / Washburn St.
(40.06230, -105.05650) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.1096 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Erie, CO
Weld Co.
United States 		Lehigh Cir. / Bonanza Dr.
(40.03702, -105.04080) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
29.2612 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Erie, CO
Weld Co.
United States 		Vista Pkwy. / Mountain View Blvd.
(40.00784, -105.03110) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
27.4441 		Other (At-Grade)
Single-Lane 		2006 Northbound right turn bypass lane. Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Burke Ave. N / N 43rd St.
(47.65915, -122.33500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		Burke Ave. N / N 44th St.
(47.66031, -122.33500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8926 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 44th St.
(47.66030, -122.33370) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9147 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Broomfield, CO
Adams Co.
United States 		Zang St. / (parking lot #1)
(39.92782, -105.13320) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.6350 		Other (At-Grade)
Single-Lane 		2001 Serves commercial development. ICD estimated from Google Maps linework.
Broomfield, CO
Adams Co.
United States 		Zang St. / (parking lot #2)
(39.92641, -105.13170) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.7199 		Other (At-Grade)
Single-Lane 		2001 Serves commercial development. ICD estimated from Google Maps linework.
Englewood, CO
Arapahoe Co.
United States 		Englewood Pkwy. / S. Cherokee St.
(39.65491, -104.99110) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.3782 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Englewood, CO
Arapahoe Co.
United States 		W. Sheri Ln. / Belleview Park
(39.62281, -105.00620) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.3174 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 44th St.
(47.66029, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Applewood, CO
Jefferson Co.
United States 		W. 32nd Ave. / Eldridge St.
(39.76180, -105.15660) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.3790 		Other (At-Grade)
Single-Lane 		2005 North leg serves golf course parking lot. ICD estimated from Google Maps linework.
Evergreen, CO
Jefferson Co.
United States 		CR 65 / Bergen Pkwy.
(39.69101, -105.36050) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
26.6520 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 43rd St.
(47.65912, -122.33140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 42nd St.
(47.65795, -122.33140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.6756 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Sunnyside Ave. N / N 42nd St.
(47.65794, -122.33020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8934 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		2nd Ave. NE / NE 43rd St.
(47.65896, -122.32730) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
70.7899 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Littleton, CO
Arapahoe Co.
United States 		W. Caley Ave. / S. Spotswood St.
(39.60239, -105.01160) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
23.9256 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		2nd Ave. NE / NE 44th St.
(47.66022, -122.32730) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
33.7853 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Superior, CO
Boulder Co.
United States 		Rock Creek Pkwy. / 88th St.
(39.93764, -105.14780) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
47.6187 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Molas Dr.
(37.28099, -107.85550) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
28.5089 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Scenic Dr. / Lookout Dr.
(40.39773, -105.13528) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1998 Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO
Larimer Co.
United States 		E. 13th St. / (unknown) / (parking lot)
(40.40565, -105.03960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
132.7798 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Sculptor Dr. / (unknown) / (parking lot)
(40.40465, -105.03520) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
59.1152 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		E. Neu Towne Pkwy. / S. Cedar Gulch Ln.
(39.51147, -104.79250) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.0140 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		S. Cedar Gulch Ln. / (unknown)
(39.51289, -104.79120) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
35.9347 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		E. Neu Towne Pkwy. / (unknown)
(39.51047, -104.78530) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.0931 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Commerce City, CO
Adams Co.
United States 		Turnberry Pkwy. / Revere St.
(39.89062, -104.83800) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Commerce City, CO
Adams Co.
United States 		E 105th Ave. / Uvalda St.
(39.88673, -104.83520) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003).
Commerce City, CO
Adams Co.
United States 		Wheeling St. / E 106th Ave. / Victor St.
(39.88895, -104.83121) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands.
Middletown, DE
New Castle Co.
United States 		Bunker Hill Rd. / Choptank Rd.
(39.45790, -75.74350) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.3525 		Other (At-Grade)
Single-Lane 		2007 Rural, redesigned in 2008 to better accommodate trucks and farm equipment. ICD estimated from Google Maps linework.
Quakertown, PA
Bucks Co.
United States 		Station Rd. / Old Bethlehem Pike
(40.42421, -75.33921) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.0036 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Medical Center of the Rockies South
(40.41537, -105.00150) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0100 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Medical Center of the Rockies North
(40.41752, -105.00030) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
47.2831 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rocky Mountain Ave. / Kendall Pkwy. / Artisan Dr.
(40.42604, -105.00249) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
51.8230 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States 		Elmore Rd. / E 135th Ave. / South Anchorage High School
(61.09869, -149.80410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3650 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Promenade Dr. / Somerset Cir.
(38.64501, -121.73150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7154 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Campos Ave. / Mack Way / Shoemaker Ct.
(38.64920, -121.73140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1843 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Campos Ave. / Ortiz Ave.
(38.65290, -121.73120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7792 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Knoxville, TN
Knox Co.
United States 		Concord Rd. / Northshore Dr.
(35.86081, -84.14137) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.9098 		Other (At-Grade)
Single-Lane 		2008 http://www.knoxnews.com/news/2008/feb/20/countys-first-roundabout-opened-concord-northshore/ ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Addison Ave. / Bryant St.
(37.44197, -122.15540) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.1722 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Lytton Ave. / Fulton St.
(37.45214, -122.15750) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.4813 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Palo Alto, CA
Santa Clara Co.
United States 		Park Blvd. / Park Ave.
(37.43076, -122.14980) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.6585 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Cupertino, CA
Santa Clara Co.
United States 		Portal Ave. / Wheaton Dr.
(37.32445, -122.01964) 		Traffic Calming Circle
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (2000-2002).
Springfield, IL
Sangamon Co.
United States 		Capitol Ave. / 12th St.
(39.79816, -89.63947) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2012
Hayward, CA
Alameda Co.
United States 		Orchard Ave. / Joyce St.
(37.65808, -122.07850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9103 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework.
El Cajon, CA
San Diego Co.
United States 		Murray Ave. / W. Main St. / Blackthorne Ave. / S. Westwind Dr.
(32.79107, -116.98510) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
32.1284 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Escalon, CA
San Joaquin Co.
United States 		1st Ave. / Riesling Way
(37.79437, -121.01140) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8755 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. College Dr. / Southside Pkwy.
(34.92111, -120.42530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.0676 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. College Dr. / E. McCoy Ln.
(34.91648, -120.42510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8427 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. Bradley Rd. / Southside Pkwy.
(34.92075, -120.42200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.0056 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States 		S. Bradley Rd. / E. McCoy Ln.
(34.91219, -120.42160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.8868 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Armdale, NS
Halifax Regional Municipality
Canada 		Chebucto Rd. / Quinpool Rd. / Herring Cove Rd. / St. Margaret's Bay Rd. / Joseph Howe Dr.
(44.64159, -63.62042) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
70.5321 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Old rotary that was converted to roundabout rules of road in 2005. Functional Class: Arterial ICD estimated from Google Maps linework.
Waterloo, ON
Waterloo Regional Municipality
Canada 		Ira Needles Blvd. / Erb St.
(43.44632, -80.57117) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.4250 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Fishhook pavement markings. Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Woolwich, ON
Waterloo Regional Municipality
Canada 		Arthur St. / Sawmill Rd.
(43.54355, -80.54693) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006
Kitchener, ON
Waterloo Regional Municipality
Canada 		Ira Needles Blvd. / Highland Rd.
(43.42294, -80.55246) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.2743 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework.
Kitchener, ON
Waterloo Regional Municipality
Canada 		Ira Needles Blvd. / Highview Dr.
(43.41460, -80.55273) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
45.1131 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework.
Cambridge, ON
Waterloo Regional Municipality
Canada 		Fountain St. / Blair Rd.
(43.38601, -80.38981) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2005