Roundabouts Database

28870 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
Lincoln, NE
Lancaster Co.
United States 		Brummond Dr. / O'Malley Dr.
(40.73324, -96.67625) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
26.8221 		Other (At-Grade)
Single-Lane 		2000 East leg added in 2008.
Lincoln, NE
Lancaster Co.
United States 		Eagle Ridge Rd. / Marie Ln.
(40.73763, -96.65223) 		Other
Existing 		Uncontrolled
None 		3 Approaches
2 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2001 No splitter islands.
Lincoln, NE
Lancaster Co.
United States 		Eagle Ridge Rd. / Carmen Dr.
(40.73761, -96.65104) 		Other
Existing 		Uncontrolled
None 		3 Approaches
1 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2001
Lincoln, NE
Lancaster Co.
United States 		Pony Hill Ct. / S 53rd Street Ct.
(40.73628, -96.64731) 		Other
Existing 		Uncontrolled
None 		3 Approaches
4 Driveways
28.6512 		Other (At-Grade)
Single-Lane 		2000
Lincoln, NE
Lancaster Co.
United States 		S 93rd Pl. / Medinah Dr.
(40.75693, -96.59438) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
34.4421 		Other (At-Grade)
Single-Lane 		2006 No splitter island on west leg.
Milwaukee, WI
Milwaukee Co.
United States 		E Hartford Ave. / N Newhall St.
(43.07766, -87.89023) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
16.7637 		Other (At-Grade)
Single-Lane 		Installed before March 2000, exact date unknown
Milwaukee, WI
Milwaukee Co.
United States 		E Hartford Ave. / N Bartlett Ave.
(43.07765, -87.88901) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		Installed before March 2000.
Milwaukee, WI
Milwaukee Co.
United States 		E Hampshire Ave. / N Bartlett Ave.
(43.07567, -87.88907) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-Lane 		Installed before April 2005.
Milwaukee, WI
Milwaukee Co.
United States 		E Kenwood Blvd. / N Newhall St.
(43.07468, -87.89032) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
17.6784 		Other (At-Grade)
Single-Lane 		Installed before April 2005.
Milwaukee, WI
Milwaukee Co.
United States 		E Kenwood Dr. / N Bartlett Ave.
(43.07467, -87.88911) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		Installed before April 2005.
Milwaukee, WI
Milwaukee Co.
United States 		E Linnwood Ave. / N Bartlett Ave.
(43.07286, -87.88911) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
15.8496 		Other (At-Grade)
Single-Lane 		2006
Milwaukee, WI
Milwaukee Co.
United States 		E Brown St. / N Hubbard St.
(43.05646, -87.90837) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		Installed before February 2005.
Milwaukee, WI
Milwaukee Co.
United States 		E Reservoir Ave. / N Hubbard St.
(43.05516, -87.90840) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
19.2024 		Other (At-Grade)
Single-Lane 		Installed before March 2000.
Davidsonville, MD
Prince George's Co.
United States 		Town Center Blvd. / Emerald Way
(38.94399, -76.73410) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Inside shopping center. No splitter islands on east and west legs.
Milwaukee, WI
Milwaukee Co.
United States 		E Brown St. / N Hubbard St.
(43.05646, -87.90838) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Milwaukee, WI
Milwaukee Co.
United States 		N Hubbard St. / E Reservoir St.
(43.05517, -87.90840) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Midtown, WI
Milwaukee Co.
United States 		N 21st St. / W Barbee St.
(43.05404, -87.93893) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Loganville, GA
Walton Co.
United States 		Twin Lakes Rd. / (unknown)
(33.82555, -83.88011) 		Other
Existing 		Uncontrolled
None 		3 Approaches
1 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2017
Seattle, WA
King Co.
United States 		S Atlantic St. / Sturgus Ave. S
(47.59000, -122.31165) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Greenfield, IN
Hancock Co.
United States 		N Manchester Dr. / N Winchester Dr. / N Village Greene Dr.
(39.79872, -85.95045) 		Other
Existing 		Uncontrolled
None 		3 Approaches
3 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Desert Sunset, AZ
Maricopa Co.
United States 		(Glendale Heroes Regional Park road) / (parking)
(33.52624, -112.23562) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008 No truck apron or splitter islands other than painted pavement. No yield control on entry or circulating.
Maricopa, AZ
Pinal Co.
United States 		W Marion May Ln.
(33.05054, -112.00216) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		2007 No splitter islands.
Maricopa, AZ
Pinal Co.
United States 		W Dennis Ln.
(33.04972, -112.00217) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		2007 No splitter islands.
Conway, AR
Faulkner Co.
United States 		Sugar Creek Dr.
(35.06249, -92.45687) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		2 Approaches
3 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Medford, OR
Jackson Co.
United States 		E Main St. / E 8th St.
(42.32781, -122.86861) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Bicycle-only circular intersection.
Davis, CA
Yolo Co.
United States 		Engineering Bikeway / (unknown)
(38.53777, -121.75421) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Open to bicycles and pedestrians only.
Davis, CA
Yolo Co.
United States 		Tercero Hall Cir. / Bioletti Way
(38.53743, -121.75582) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Oval shaped. Painted and marked central and splitter islands.
Davis, CA
Yolo Co.
United States 		Bioletti Way / Bainer Hall Dr.
(38.53608, -121.75682) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted and marked central and splitter islands.
Davis, CA
Yolo Co.
United States 		Bainer Hall Dr. / (unknown)
(38.53655, -121.75405) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted splitter islands.
Louisville, KY
Jefferson Co.
United States 		James Thornton Way / Wickham Green Way
(38.27422, -85.49318) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2009 No splitter island on west leg. Concentric striped circulatory roadway.
Bradenton, FL
Manatee Co.
United States 		Polo Trl.
(27.42526, -82.36020) 		Other
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018
Saint Lucie West, FL
St. Lucie Co.
United States 		SW Gingerline Dr. / (unknown)
(27.23283, -80.42708) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2019
Saint Lucie West, FL
St. Lucie Co.
United States 		SW Gingerline Dr. / SW Sephia Dr.
(27.23169, -80.42154) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
35.9664 		Other (At-Grade)
Single-Lane 		2018
Saint Lucie West, FL
St. Lucie Co.
United States 		Champions Way / (unknown)
(27.30724, -80.42218) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
31.0896 		Other (At-Grade)
Single-Lane 		1999
Dawsonville, GA
Forsyth Co.
United States 		Serenity Park Dr. / Placid Way / Serene Way / Peaceful Path
(34.32854, -84.07263) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2017
Twin Rivers, FL
Manatee Co.
United States 		Twin Rivers Trl. / 15th St. E
(27.52359, -82.39426) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2020
Fort Riley, KS
Riley Co.
United States 		Trooper Dr. / Apennines Dr.
(39.10394, -96.81859) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Fort Riley, KS
Riley Co.
United States 		Normandy Dr. / Estes Rd.
(39.11209, -96.81585) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Raindrop shaped.
Fort Riley, KS
Riley Co.
United States 		1st Division Rd. / Trooper Dr.
(39.10684, -96.79804) 		Rotary
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Single-Lane
Las Vegas, NV
Clark Co.
United States 		Lake South / Crystal Water Way
(36.13289, -115.29050) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.0796 		Other (At-Grade)
Single-Lane 		1994 Completed August 1994. Functional Class: Collector ICD estimated from Google Maps linework.
Short Pump, VA
Goochland Co.
United States 		Capitol One Dr. / (unknown)
(37.62693, -77.66927) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
37.8365 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Addison, TX
Dallas Co.
United States 		Addison Cir. / Quorum Dr.
(32.96138, -96.82592) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 .
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Lizard Head (south)
(37.28605, -107.84710) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.7061 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Lizard Head (north)
(37.28920, -107.84310) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.5556 		Other (At-Grade)
Single-Lane 		2004 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.
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Ophir Dr.
(37.28321, -107.85120) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
26.6075 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States 		Jenkins Ranch Rd. / Kennebec Dr.
(37.29216, -107.84010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
23.7539 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Pearl, MS
Rankin Co.
United States 		MS 475 (Airport Rd.) / Old Brandon Rd.
(32.29057, -90.07133) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.3273 		Other (At-Grade)
Single-Lane 		1997 Use of paint to achieve (?) deflection. ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Banneker Rd. / Cul-de-sac
(39.21141, -76.87041) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
17.5824 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Southampton, NJ
Burlington Co.
United States 		US 206 / NJ 70 (Red Lion Circle)
(39.88715, -74.74104) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
136.5464 		Other (At-Grade)
Single-Lane 		Traffic circle conversion Functional Class: Arterial ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmoreland Blvd. / Pine Valley St.
(27.25530, -80.30157) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
72.1975 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E. Via Linda / E. San Pablo Dr.
(33.56833, -111.89350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
49.7573 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E. Via Linda / N. 87th St.
(33.56715, -111.89500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
69.6612 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E. Via Linda / E. San Rafael Dr.
(33.56711, -111.89565) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Earth.
Arcata, CA
Humboldt Co.
United States 		12th St. / I St.
(40.87160, -124.08700) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
48.7687 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		13th St. / J St.
(40.87260, -124.08780) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.7404 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E. Via Linda / N. 84th St.
(33.56832, -111.89880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
37.8156 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E. Via Linda / N. 83rd Pl.
(33.56770, -111.90100) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
63.6899 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N. Marshall Way / E. Main St.
(33.49311, -111.92830) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.9083 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		61st Ave. S / S Norfolk St.
(47.51337, -122.25705) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Henderson St.
(47.52286, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
42.7458 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		W. Palmilla Blvd. / W. Alvarado Dr.
(33.46978, -112.35190) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
23.9107 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		Wigwam Creek Blvd. / N. Rattler Way
(33.51643, -112.32870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.9277 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 42nd St.
(47.65774, -122.34850) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
56.3115 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		44th Ave. SW / SW College St.
(47.58301, -122.38780) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
37.0576 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		30th Ave. SW / SW Cloverdale St.
(47.52648, -122.37120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.5176 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6690 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		Sunset Rd (SW 72nd St) / LeJeune Rd (SW 42nd Ave) / Cocoplum Rd / Old Cutler Rd
(25.70536, -80.26083) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
71.0248 		Other (At-Grade)
Single-Lane 		Entering traffic yields to circling traffic Functional Class: Collector ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Cotton Center Blvd. / S. 44th Pl.
(33.40279, -111.98790) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
163.5163 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Crozet, VA
Ablemarle Co.
United States 		Old Trail Dr. / (unknown #2)
(38.05907, -78.71125) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.0923 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		17th Ave. E. / E. Spring St.
(47.61153, -122.31020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
5.6361 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Crozet, VA
Ablemarle Co.
United States 		Old Trail Dr. / Golf Dr.
(38.05766, -78.71016) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.0929 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		40th Ave. SW / SW Manning St.
(47.57122, -122.38250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
7.2520 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
164.7289 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Dearborn St.
(47.59557, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.6919 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Chesterfield, MO
St. Louis Co.
United States 		Schoettler Valley Dr. / Highcroft Dr.
(38.64415, -90.55331) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
17.7235 		Other (At-Grade)
Single-Lane 		1999 Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
48.3244 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Fort Worth, TX
Tarrant Co.
United States 		Bluebonnet Circle [W Biddson St. / Park Ridge Blvd. / S University Dr.]
(32.69902, -97.36044) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
141.7320 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1929 .
Buffalo, NY
Erie Co.
United States 		Gates Circle (Delaware Ave. / Lafayette Ave.)
(42.92054, -78.86776) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
66.4699 		Other (At-Grade)
Unknown 		2002 Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442
Orange, CA
Orange Co.
United States 		Chapman Ave. / Glassell St.
(33.78788, -117.85310) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.4752 		Other (At-Grade)
Single-Lane 		Old school traffic circle, pedestrian park in the middle, cars park along the sides. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue
(40.64572, -111.49500) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
46.2161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Ridgeland, MS
Madison Co.
United States 		Old Agency Rd / Highland Colony Pkwy
(32.43125, -90.14893) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
47.3786 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		26th Ave. S / S. Judkins St.
(47.59209, -122.29900) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.9420 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Norman St.
(47.59301, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
41.0778 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		South 20th Drive. / (none)
(33.37556, -112.10290) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
16.9552 		Other (At-Grade)
Single-Lane 		2003 Neighborhood traffic calming. ICD estimated from Google Maps linework.
Henderson (Seven Hills), NV
Clark Co.
United States 		Grand Hills Dr. / Rio Secoo Golf Club
(35.97713, -115.11100) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
74.4214 		Other (At-Grade)
Single-Lane 		1998 Functional Class: Collector ICD estimated from Google Maps linework.
Gordonsville, VA
Orange Co.
United States 		James Madison Hwy / N. Main St. / Spotswood Trl.
(38.14261, -78.18947) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
31.9366 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		550 West / 1950 North
(40.26043, -111.66600) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
21.8738 		Other (At-Grade)
Single-Lane 		Within parking lot; not fully developed as roundabout. Functional Class: Local ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance)
(40.27592, -111.71290) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.4480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1996 ICD estimated from Google Maps linework.
Nashville, TN
Davidson Co.
United States 		Demonbreun St. / 16th Ave. / Division St. / Music Square E.
(36.15210, -86.79163) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
54.0044 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		29th Ave. S / S. Judkins St.
(47.59217, -122.29550) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8873 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		31st Ave. E / E. Denny St.
(47.62016, -122.29230) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.4023 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Rosemont, MD
Frederick Co.
United States 		MD 17 / MD 180
(39.33768, -77.63950) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.4828 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Densmore Ave. N / N 137th St.
(47.72867, -122.33830) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8705 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Omaha, NE
Douglas Co.
United States 		N Saddle Creek Rd. / Country Club Ave. / Seward St. / 50th St. / Happy Hollow Rd.
(41.27431, -95.99039) 		Roundabout
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
28.7235 		Other (At-Grade)
Single-Lane 		2003 Dogbone/peanut shape. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		2nd Ave. NE / NE 91st St.
(47.69499, -122.32710) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0388 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Town and Country, MO
St. Louis Co.
United States 		MO 141 SB Ramps / Woods Mill Rd.
(38.63523, -90.51449) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.2503 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 36th St.
(47.65116, -122.34860) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
35.4002 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Woodlawn Ave. N / N. 36th St.
(47.65051, -122.33870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8730 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		18th Ave. E. / E. Spring St.
(47.61154, -122.30890) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.0516 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.