Roundabouts Database

29465 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
Marysville, WA
Snohomish Co.
United States 		34th Ave. NE / Quil Ceda Blvd.
(48.10637, -122.18610) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
35.0906 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Opened May 2007. ICD estimated from Google Maps linework.
New Bern, NC
Craven Co.
United States 		Broad St. / Front St.
(35.10776, -77.03563) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.3573 		Other (At-Grade)
Single-Lane 		2001 Part of enhancement project. ICD estimated from Google Maps linework.
Chapel Hill, NC
Durham Co.
United States 		Ephesus Church Rd. / Pope Rd.
(35.93135, -78.99929) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.0780 		Other (At-Grade)
Single-Lane 		2005 Built by developer. ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		NC 751 / Old Erwin Rd.
(36.00068, -78.96225) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
27.0543 		Other (At-Grade)
Single-Lane 		2003 Spot safety project. Right-turn bypass lane. ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		Circuit Dr. / Research Dr.
(36.00615, -78.94078) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.2216 		Other (At-Grade)
Single-Lane 		2003 New north-south road through Duke University campus. ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		Towerview Rd. / Campus Dr.
(35.99779, -78.93916) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.1565 		Other (At-Grade)
Single-Lane 		2004 New entrance to parking areas on Duke University campus. ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		Woodcroft Pkwy. / Highgate Rd.
(35.92228, -78.93601) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.8186 		Other (At-Grade)
Single-Lane 		2005 City safety project in lieu of signal. ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		Southpoint Auto Park Blvd. / Johnson Victory Cir.
(35.90882, -78.94987) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
42.5633 		Other (At-Grade)
Single-Lane 		2004 Built by developer. ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		Glendale Ave. / Washington St.
(36.02251, -78.90046) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.7744 		Other (At-Grade)
Single-Lane 		2000 Modified circle, part of I-85 detour route. ICD estimated from Google Maps linework.
Greensboro, NC
Guilford Co.
United States 		Bluford St. / Obemeyer St.
(36.07512, -79.77265) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
23.1675 		Other (At-Grade)
Single-Lane 		2005 North Carolina A&T University campus redevelopment. ICD estimated from Google Maps linework.
Winston-Salem, NC
Forsyth Co.
United States 		Westview Dr. / Buckingham Rd.
(36.09549, -80.28940) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2001 City project. Painted splitter islands.
Charlotte, NC
Mecklenburg Co.
United States 		Park Rd. / Brookside Ave. / Tremont Ave.
(35.20321, -80.85256) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.5662 		Other (At-Grade)
Single-Lane 		2003 City- possible traffic calming location. ICD estimated from Google Maps linework.
Charlotte, NC
Mecklenburg Co.
United States 		Moores Chapel Rd. / I-485 NB Ramp
(35.27366, -80.96478) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
37.0520 		Freeway Ramps (Grade-Separated)
Single-Lane 		2005 Interchange terminal. Fatal crash May 14, 2008. ICD estimated from Google Maps linework.
Charlotte, NC
Mecklenburg Co.
United States 		Moores Chapel Rd. / I-485 SB Ramp
(35.27376, -80.96779) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
37.0520 		Freeway Ramps (Grade-Separated)
Single-Lane 		2005 Interchange terminal. Fatal crash June 28, 2011. ICD estimated from Google Maps linework.
Davidson, NC
Mecklenburg Co.
United States 		Griffith St. / Davidson Gateway Dr.
(35.50277, -80.86375) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.9469 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Built by developer - multilane existing intersection. ICD estimated from Google Maps linework.
Davidson, NC
Mecklenburg Co.
United States 		Griffith St. / Jetton St.
(35.50210, -80.86121) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
39.8641 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Built by developer - multilane existing intersection. ICD estimated from Google Maps linework.
Huntersville, NC
Mecklenburg Co.
United States 		Stumptown Rd. / Hugh Torance Pkwy.
(35.42301, -80.87071) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
58.3951 		Other (At-Grade)
Single-Lane 		2004 Built by developer. ICD estimated from Google Maps linework.
Norwood, NC
Stanly Co.
United States 		Cottonville Rd. / S. Stanly School Rd.
(35.23319, -80.16761) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.1684 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Waxhaw, NC
Union Co.
United States 		Waxhaw-Indian Trl. / Potter Rd.
(35.02373, -80.69185) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.2538 		Other (At-Grade)
Single-Lane 		2006 Safety location. ICD estimated from Google Maps linework.
Gastonia, NC
Gaston Co.
United States 		Gaston Day School Rd. / Kendrick Rd.
(35.21435, -81.13301) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.2003 		Other (At-Grade)
Single-Lane 		2005 Safety problem - did not meet signal warrants. ICD estimated from Google Maps linework.
Asheville, NC
Buncombe Co.
United States 		Bleachery Blvd. / Wal-Mart parking lot entrance
(35.57649, -82.51315) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
36.9130 		Other (At-Grade)
Single-Lane 		2006 Built by developer - entrance to Wal-Mart parking lot. ICD estimated from Google Maps linework.
Waynesville, NC
Haywood Co.
United States 		US 23B (Asheville Rd.-N Main St) / Ratcliffe Cove Rd. / Zemery Ln.
(35.49899, -82.96632) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.8933 		Other (At-Grade)
Single-Lane 		2004 TIP project. Right turn bypass lane. Fatal crash June 5, 2007. ICD estimated from Google Maps linework.
Columbus, NC
Polk Co.
United States 		NC 108 / I-26 EB Ramps
(35.24493, -82.20628) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.1144 		Freeway Ramps (Grade-Separated)
Single-Lane 		2004 Part of interchange - two-lane bridge. ICD estimated from Google Maps linework.
Columbus, NC
Polk Co.
United States 		NC 108 / I-26 WB Ramps
(35.24627, -82.20499) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.1384 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 Part of interchange - two-lane bridge. ICD estimated from Google Maps linework.
Concord, NC
Mecklenburg Co.
United States 		Christenbury Rd. / Millstream Ridge Dr.
(35.38115, -80.74506) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
27.2652 		Other (At-Grade)
Single-Lane 		2003 Developer subdivision. ICD estimated from Google Maps linework.
Mount Vernon, WA
Skagit Co.
United States 		SR 538 (E College Way) / SR 9
(48.43002, -122.26460) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
38.0389 		Other (At-Grade)
Single-Lane 		2007 Opened July 2007. Rural. Fatal crash December 22, 2011. 11861-05. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		Evergreen Pkwy. NW / McCann Plaza
(47.06936, -122.97440) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.3006 		Other (At-Grade)
Single-Lane 		2005 Entrance to college. Opened November 2005. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		14th Ave. SE / E Bay Dr. / Henderson Blvd. SE
(47.02971, -122.89140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.3772 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. Southbound right turn bypass lane. ICD estimated from Google Maps linework.
Sammamish, WA
King Co.
United States 		Issaquah Pine Lake Rd. / SE 32nd Way
(47.57894, -122.02810) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
33.8378 		Other (At-Grade)
Single-Lane 		2005 Opened March 2005. ICD estimated from Google Maps linework.
Sequim, WA
Clallam Co.
United States 		N Sequim Ave. / Old Olympic Hwy.
(48.09418, -123.10230) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.5265 		Other (At-Grade)
Single-Lane 		2005 Opened September 2005. ICD estimated from Google Maps linework.
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.
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.
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.
Hughesville, MD
Charles Co.
United States 		MD 231 / MD 5 NB Ramps
(38.53426, -76.77790) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
54.1863 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Hughesville, MD
Charles Co.
United States 		MD 231 / MD 5 SB Ramps
(38.53381, -76.77969) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
58.8579 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
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.
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
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.
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.
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.
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.
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.
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.