Roundabouts Database

29822 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
Casa Grande, AZ
Pinal Co.
United States 		N. Pottebaum Ave. / E. Manor Dr.
(32.88863, -111.72680) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
20.0582 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Lackawanna, NY
Erie Co.
United States 		McKinley Pkwy. / Choate Ave. / Red Jacket Pkwy.
(42.84436, -78.81496) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
138.3584 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Azusa, CA
Los Angeles Co.
United States 		The Promenade / (unknown)
(34.13805, -117.89310) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
34.5986 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Tallmadge, OH
Summit Co.
United States 		Howe Rd. / Northeast Ave. / N Munroe Rd.
(41.11800, -81.41503) 		Roundabout
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
52.1858 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Yakima, WA
Yakima Co.
United States 		E Valley Mall Blvd. / S Rudkin Rd.
(46.56300, -120.47520) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.3102 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Functional Class: Arterial ICD estimated from Google Maps linework.
Yakima, WA
Yakima Co.
United States 		E. Valley Mall Blvd. / I-82 EB Ramps
(46.56298, -120.47290) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
54.1971 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2010 ICD estimated from Google Maps linework.
Yakima, WA
Yakima Co.
United States 		E. Valley Mall Blvd. / I-82 WB Ramps
(46.56298, -120.47170) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
98.5403 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Nassau St. / Thompson Blvd. / Poinciana Dr.
(25.06443, -77.35457) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
51.9293 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Lake Stevens, WA
Snohomish Co.
United States 		Lundeen Parkway / Soper Hill Rd.
(48.01557, -122.10010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.5601 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 ICD estimated from Google Maps linework.
Issaquah, WA
King Co.
United States 		East Lake Sammamish Parkway / SE 43rd Way
(47.56792, -122.05500) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.6799 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Everett, WA
Snohomish Co.
United States 		13th St. / 1st Ave.
(48.00026, -122.21570) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
27.1714 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
North Auburn, CA
Placer Co.
United States 		Willow Creek / 1st St.
(38.93790, -121.10060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.0883 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Anacortes, WA
Skagit Co.
United States 		Commercial Ave. / SR20 Spur
(48.49332, -122.61280) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.8256 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Billings, MT
Yellowstone Co.
United States 		Shiloh Rd. / Hesper Rd.
(45.74060, -108.61740) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
43.3436 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Harrold Rd. / Sir Milo Butler Hwy
(25.04628, -77.37572) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
50.8550 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Harrold Rd. / Bahama Games Blvd.
(25.04516, -77.36151) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
50.8555 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Nassau, New Providence
Nassau
The Bahamas 		Harrold Rd. / Independence Dr. / Blue Hill Rd.
(25.04437, -77.35043) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
62.7582 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Coconut Creek, FL
Broward Co.
United States 		Centura Parc / NW 36th Ave. / NW 23rd Pl. / NW 23rd St. / NW 22nd Dr.
(26.25800, -80.17292) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
57.8387 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Augusta, ME
Kennebec Co.
United States 		Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105)
(44.31622, -69.76796) 		Roundabout
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
55.5448 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework.
Lansing, MI
Ingham Co.
United States 		Barnes Ave. / Beal Ave.
(42.71491, -84.56174) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
15.7953 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Lansing, MI
Ingham Co.
United States 		Barnes Ave. / Davis Ave.
(42.71489, -84.55698) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
18.4279 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Lansing, MI
Ingham Co.
United States 		Barnes Ave. / Coleman Ave.
(42.71488, -84.55390) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
20.1829 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Lansing, MI
Ingham Co.
United States 		Beal Ave. / Sparrow Ave.
(42.71602, -84.56174) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
8.7750 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Longmont, CO
Boulder Co.
United States 		Deerwood Dr. / Bluefield Ave.
(40.17346, -105.06460) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.4648 		Other (At-Grade)
Single-Lane 		2002 Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO
Boulder Co.
United States 		Deerwood Dr. / Windflower Dr.
(40.17093, -105.06300) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
25.5532 		Other (At-Grade)
Single-Lane 		2003 Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO
Boulder Co.
United States 		Deerwood Dr. / Stardance Cir.
(40.16962, -105.06120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
22.8158 		Other (At-Grade)
Single-Lane 		2003 Functional Class: Local ICD estimated from Google Maps linework.
Longmont, CO
Boulder Co.
United States 		Deerwood Dr. / Summer Hawk Dr.
(40.17087, -105.05720) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
25.5532 		Other (At-Grade)
Single-Lane 		2003 Functional Class: Local ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		Belmont Circle (Belmont Ave. / Motel Dr. / Arthur Ave. / Wesley Ave. / Thorne Ave.)
(36.75051, -119.81530) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
104.3080 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Venice, CA
Los Angeles Co.
United States 		Windward Ave. / Main St. / Grand Blvd.
(33.98816, -118.47100) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
48.5238 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Daingerfield, TX
Morris Co.
United States 		Webb St. / Jefferson St. / Coffey St. / Linda Dr.
(33.03180, -94.72192) 		Roundabout
Existing 		Unknown
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only) 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Railroad crossing through central island. Replaced two T-intersections.
Sacramento, CA
Sacramento Co.
United States 		X St. / 48th St.
(38.55347, -121.45030) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.0299 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 36th Ave. / SE Clinton St.
(45.50337, -122.62630) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
40.1792 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 45th Ave. / SE Clinton St.
(45.50336, -122.61610) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
87.0549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 47th Ave. / SE Clinton St.
(45.50336, -122.61400) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6456 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Pinehurst, NC
Moore Co.
United States 		US 15 / US 501 / NC 2 / NC 211
(35.20173, -79.45045) 		Rotary
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
201.0393 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		N Ridgecrest / Valley View Dr. / (parking)
(37.12601, -113.60230) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.8540 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		(unknown) / (unknown)
(37.15329, -113.63020) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.3648 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Mooresville, NC
Iredell Co.
United States 		Brawley School Rd. / The Point Dr.
(35.53482, -80.92054) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.5834 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Between 1998 and 2003 ICD estimated from Google Maps linework.
Augusta, ME
Kennebec Co.
United States 		US 202 / Rte. 17 / Rte. 11 / Rte. 27
(44.31047, -69.77929) 		Rotary
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
71.7881 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Ocean Shores, WA
Grays Harbor Co.
United States 		Point Brown Ave / Chance a la Mer
(47.00745, -124.16140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
39.9064 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Perryolpolis, PA
Fayette Co.
United States 		Independence St. / Liberty St.
(40.08707, -79.75069) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
27.4122 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		LA 92 / Bonin Rd.
(30.10895, -92.00773) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.1614 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		LA 92 / Chemin Metairie Pkwy.
(30.10922, -92.01561) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.2276 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		Prescott Blvd. / Broyles Ln.
(30.10179, -92.00802) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.1307 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		Copper Meadow Blvd. / Fountain View
(30.10510, -91.99648) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
49.5946 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Youngsville, LA
Lafayette Par.
United States 		LA 89 / Chemin Metairie Pkwy.
(30.08441, -91.99059) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.2372 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States 		Leucadia Blvd / Hermes Ave
(33.06482, -117.30010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
18.0164 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Dumont / Cresskill, NJ
Bergen Co.
United States 		Madison Ave. / Knickerbocker Rd. (Monument)
(40.94127, -73.97681) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
74.8804 		Other (At-Grade)
Single-Lane 		Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local 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 		21st Ave. E / E. Republican St.
(47.62320, -122.30470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
5.6349 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seward, NE
Seward Co.
United States 		7th St. / 6th Ave. / 8th Ave.
(40.91742, -97.10029) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
37.9050 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Brookfield, IL
Cook Co.
United States 		Grand Blvd. / Washington St.
(41.82755, -87.85150) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
41.8281 		Other (At-Grade)
Single-Lane 		I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
London, ON
Middlesex County
Canada 		Lambton Dr. / Oxford Dr.
(43.00616, -81.27515) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
38.4291 		Other (At-Grade)
Single-Lane 		Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Berry Ave.
(39.61682, -104.91340) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
11.9603 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Dorado Ave.
(39.61319, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.2007 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Dorado Pl.
(39.61199, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
11.0410 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Ida Ave.
(39.61082, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.7216 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Powers Ave.
(39.61501, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.2005 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		S. Monaco St. / E. Prentice Pl.
(39.61977, -104.91350) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
14.7197 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States 		Leucadia Blvd / Hymettus Ave
(33.06470, -117.29620) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
21.0192 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Westfield, NJ
Union Co.
United States 		NJ 28 / E. Broad St. (Westfield Circle)
(40.64849, -74.35027) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.5896 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial 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.
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.
Seattle, WA
King Co.
United States 		4th Ave. N / N. Prospect St.
(47.62890, -122.34880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
10.4636 		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.
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.
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.
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.
Boulder, CO
Boulder Co.
United States 		Pearl St. / 4th St.
(40.01571, -105.29050) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
20.1234 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pearl St. / Mid-Block
(40.01501, -105.29390) 		Traffic Calming Circle
Existing 		Unknown
None 		2 Approaches
0 Driveways
16.4647 		Other (At-Grade)
Single-Lane 		Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pine St. / 15th St.
(40.02072, -105.27670) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
16.4634 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Pine St. / 17th St.
(40.02126, -105.27410) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
10.9755 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Winchester, VA
Frederick Co.
United States 		Commonwealth Ct. / (parking lot)
(39.12518, -78.19009) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
28.7222 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Parkville, MO
Platte Co.
United States 		National Dr. / Ridge Rd.
(39.21333, -94.70781) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
49.9696 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		St. Johns St. / New Haven Ct. (Hampton Circle)
(40.04742, -105.24740) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.5996 		Other (At-Grade)
Single-Lane 		1997 ICD estimated from Google Maps linework.
Fruita, CO
Mesa Co.
United States 		Aspen Ave. / Mesa St. (Park Square)
(39.15884, -108.73360) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
77.7908 		Other (At-Grade)
Unknown 		Completed 1940? ICD estimated from Google Maps linework.
Henrietta, NY
Monroe Co.
United States 		Andrews Memorial Dr. / Lomb Memorial Dr.
(43.08770, -77.67448) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.7614 		Other (At-Grade)
Single-Lane 		2003 On campus of Rochester Institute of Technology. ICD estimated from Google Maps linework.
Hyannis, MA
Barnstable Co.
United States 		Iyannough Rd. / Barnstable Rd. / Falmouth Rd.
(41.66512, -70.28732) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
87.4371 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / B St.
(40.17772, -74.01782) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / D St.
(40.17855, -74.02169) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Summit, NJ
Union Co.
United States 		Union Pl. / Beechwood Rd.
(40.71691, -74.35757) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
19.0099 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		S. Ridgeview Rd. / E. Loula St.
(38.88069, -94.79726) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.1027 		Other (At-Grade)
Single-Lane 		2004 Completed August 2004. ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Evergreen Ave. / 9th St.
(40.03106, -105.28560) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
16.4609 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Highland Ave.
(40.73043, -74.25748) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.2644 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Norfolk Ave.
(40.73111, -74.25972) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.2907 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
East Lansing, MI
Ingham Co.
United States 		Bogue St. / Wilson Rd.
(42.72326, -84.47186) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
36.8508 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Glen Isle Dr. / Buckingham Cir.
(40.43580, -105.10680) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
64.5421 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Horseshoe Dr.
(40.42844, -105.05100) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.0011 		Other (At-Grade)
Single-Lane 		1996 Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Madison Ave.
(40.42698, -105.05790) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
18.1832 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Windjammer Dr. / Brigantine Dr.
(38.95401, -104.77020) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.5070 		Other (At-Grade)
Single-Lane 		1995 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Pine Manor Dr. / Stoneglen Dr.
(38.96827, -104.76670) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9289 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr.
(40.53008, -105.05420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.4175 		Other (At-Grade)
Single-Lane 		Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Sugarloaf Pkwy. / Denison St.
(39.33490, -77.34180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.9503 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Watermill Rd.
(37.75548, -121.90970) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
31.1610 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Albion Rd.
(37.76511, -121.90780) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9336 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Harcourt Way
(37.75982, -121.90820) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9361 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
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.
Colorado Springs, CO
El Paso Co.
United States 		Sybilla Ln. / (parking lot)
(39.01263, -104.81160) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.9841 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.