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
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.
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.
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.
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.
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.
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.
Colorado Springs, CO
El Paso Co.
United States 		Stout Dr. / (parking lot)
(39.01775, -104.81250) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
20.4146 		Other (At-Grade)
Single-Lane 		2003 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.
Silverdale, WA
Kitsap Co.
United States 		NW Anderson Hill Rd. / Frontier Pl. NW
(47.65368, -122.70350) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
21.7218 		Other (At-Grade)
Single-Lane 		2003 Opened September 2003. ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		John R. Lynch St. / Metro Pkwy. / Eastview St.
(32.29798, -90.21458) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.4296 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Prentiss St.
(32.30098, -90.21120) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
51.4850 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Dalton St.
(32.30095, -90.20563) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.3614 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		John R. Lynch St. / Prentiss St.
(32.29755, -90.21119) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.3246 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Starkville, MS
Oktibbeha Co.
United States 		Blackjack Rd. / Oktoc Rd.
(33.44708, -88.79340) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
31.8893 		Other (At-Grade)
Single-Lane 		2002 http://www.msstate.edu/web/media/detail.php?id=1874 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Central St. / Buena Vista Ave.
(32.30306, -90.21358) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2005 Functional Class: Local
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / Grove Dr. / Mulberry Dr.
(38.96701, -95.29801) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.7862 		Other (At-Grade)
Unknown 		2005 Built as part of Harvard Road traffic calming plan. A temporary traffic circle was in place for some time prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / Goldfield St. / Goldfield Ct.
(38.96597, -95.29628) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7150 		Other (At-Grade)
Single-Lane 		2005 Built as part of Harvard Road Traffic Calming plan. A Temporary traffic circle with all way Yield control was installed prior to permanent construction. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		E. Cheyenne Mountain Blvd. / Springmeadow Dr.
(38.79132, -104.82750) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.9191 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States 		Curtiss Pkwy. / Royal Poinciana / Westward Dr. / Palmetto Dr.
(25.82130, -80.28160) 		Other
Existing 		Other
Unknown 		6 Approaches
0 Driveways
83.8565 		Other (At-Grade)
Multilane (3+ Lane) 		On-street parking within circulatory roadway, pedestrian access to central island, yield control on circulatory roadway, some stop-controlled entries. ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		Ponce de Leon Blvd. / Sevilla Ave. / Palermo Ave.
(25.74597, -80.25848) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
138.7738 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States 		Glendale Dr. / Beverly Dr.
(25.81348, -80.29934) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
33.3298 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Interlake Ave. N / N 39th St.
(47.65411, -122.34130) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
14.4811 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
New Castle, CO
Garfield Co.
United States 		Castle Valley Blvd. / Pyramid St.
(39.57959, -107.52880) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
33.1386 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
New Castle, CO
Garfield Co.
United States 		Castle Valley Blvd. / (TBD)
(39.57517, -107.52190) 		Roundabout
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
31.2996 		Other (At-Grade)
Single-Lane 		1999 Facilitates U-turns. ICD estimated from Google Maps linework.
Westminster, CO
Adams Co.
United States 		Promenade Dr. S. / (TBD)
(39.89188, -105.06330) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
20.1598 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Duxbury, MA
Plymouth Co.
United States 		Lincoln St. / Congress St.
(42.05532, -70.72294) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
21.2829 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Ashworth Ave. N / N 38th St.
(47.65269, -122.34020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
160.1009 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Burke Ave. N / N 35th St.
(47.64919, -122.33510) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6550 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Lindon, UT
Utah Co.
United States 		400 South / 600 West (Lindon Park Circle)
(40.33034, -111.73140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.6873 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Date estimated. ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		5000 North / Edgewood Dr.
(40.30066, -111.65750) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
19.1282 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Edmonton, AB
Edmonton Capital Region
Canada 		St. Albert Trl. / Groat Rd. / 118th Ave. NW
(53.57027, -113.54940) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
58.1573 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		N. Lake Orlando Pkwy / Cinderlane Pkwy
(28.60276, -81.43106) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
20.9715 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Orinda, CA
Contra Costa Co.
United States 		Hall Dr. / Donald Dr.
(37.86411, -122.15310) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
17.9148 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Estero, FL
Lee Co.
United States 		Williams Rd. / Chapel Trace
(26.41990, -81.83160) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.9485 		Other (At-Grade)
Single-Lane 		2006 Near Estero High School. ICD estimated from Google Maps linework.
Marshall, MI
Calhoun Co.
United States 		I-94 Business (W Michigan Ave.) / M-227 (Kalamazoo Ave.)
(42.27199, -84.96413) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.0730 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Homer, MI
Calhoun Co.
United States 		Hillsdale St. / Main St.
(42.14585, -84.80890) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
39.8485 		Other (At-Grade)
Single-Lane 		Before 1999. ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		SR 153 NB Ramps / Lake Resort Dr.
(35.10986, -85.22842) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
55.6902 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 At new intersection with new bridge and alignment of Lake Resort Drive. Former intersection was ~800 to the south. Non-symetric design. Some motions have two lanes. Previously controlled by signal ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		SR 153 SB Ramps / N. Access Rd. / TVA offices
(35.10868, -85.23122) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
97.7036 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Serenity Park Dr. / (parking lot)
(39.01540, -104.81010) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
23.1991 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Newport Rd. / Vapor Trl.
(38.80787, -104.72680) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.1284 		Other (At-Grade)
Single-Lane 		2002 Y-shaped intersection. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / University Park Blvd.
(38.91005, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
21.3750 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / Montebello Dr.
(38.90582, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.4468 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Carefree Cir. / New Center Pl.
(38.87741, -104.71720) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
44.6291 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Treeline View / Stately View
(38.87351, -104.86560) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.1228 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		(unknown #2)
(38.87847, -104.84910) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
18.5952 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Rd. / Kissing Camels Dr.
(38.87808, -104.86580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / S. Moundridge Dr.
(38.96770, -95.30438) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.0003 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		VFW Pkwy. / North Shore Rd. (Butler Circle)
(42.41228, -70.99350) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
84.6514 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States 		Broadway / Main
(42.40244, -71.06048) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
123.4694 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / E. Louise Dr.
(43.60317, -116.34880) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.4050 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		S. Touchmark Way / S. Worth Way
(43.60206, -116.34610) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.2704 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Arlington, VA
Arlington Co.
United States 		Memorial Dr. / Arlington Memorial Bridge
(38.88573, -77.06004) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
114.3488 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 3rd St. SW
(38.88127, -77.01520) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.9620 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 1st St. SW
(38.88119, -77.01228) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6106 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		H St. / Delaware Ave.
(38.88028, -77.01262) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6110 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Richmond, VA
Henrico Co.
United States 		Monument Ave. / Allen Ave.
(37.55384, -77.46020) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
74.8004 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Richmond, VA
Henrico Co.
United States 		Stuart Circle
(37.55246, -77.45788) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.9806 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Huntington, NY
Suffolk Co.
United States 		Clinton Ave. / Gerard St.
(40.87225, -73.42886) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
14.4499 		Other (At-Grade)
Single-Lane 		2002 http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Manistee, MI
Manistee Co.
United States 		Lakeshore Dr. / Monroe St. / Cottage Ln.
(44.25355, -86.33302) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
45.3388 		Other (At-Grade)
Single-Lane 		1992 Before 1993. No splitter islands on east leg. ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		Wigwam Creek Blvd. / (unknown)
(33.51746, -112.32560) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.9232 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Owensboro, KY
Daviess Co.
United States 		KY 56 / KY 81
(37.75357, -87.17403) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.6605 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Functional Class: Arterial ICD estimated from Google Maps linework.
Albuquerque, NM
Bernalillo Co.
United States 		8th St. / Central Ave.
(35.08526, -106.65660) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.3649 		Other (At-Grade)
Single-Lane 		2007 Transition between downtown Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Frankfort, KY
Franklin Co.
United States 		Cardwell Lane / C. Michael Davenport Blvd.
(38.16095, -84.91826) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.7458 		Other (At-Grade)
Single-Lane 		2015 Functional Class: Major Collector ICD estimated from Google Maps linework.
Santa Fe, NM
Santa Fe Co.
United States 		Richards Ave. / College Dr.
(35.60719, -106.00060) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.1017 		Other (At-Grade)
Single-Lane 		2003 Community College District South of I-25 Previously controlled by 2 way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 39th St.
(47.65429, -122.33140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8720 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 39th St.
(47.65431, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
12.8720 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Meridian Ave. N / N 37th St.
(47.65196, -122.33386) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Seattle, WA
King Co.
United States 		Corliss Ave. N / N 37th St.
(47.65195, -122.33150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
16.8953 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Honolulu, HI
Oahu Co.
United States 		Keeaumoku St. / Heulu St.
(21.30592, -157.83500) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
17.8032 		Other (At-Grade)
Single-Lane 		1999 Urban. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		N. Westfield Blvd. / E. 96th St.
(39.92686, -86.12680) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
55.8692 		Other (At-Grade)
Single-Lane 		2005 Completed December 2005. Fatal crash October 1, 2007: http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17. 11861-05. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		N. Ditch Rd. / W. 96th St.
(39.92681, -86.18403) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.8879 		Other (At-Grade)
Single-Lane 		2005 Previously controlled by 4-way stop ICD estimated from Google Maps linework.
Muskegon, MI
Muskegon Co.
United States 		W. Western Ave. / 3rd St.
(43.23536, -86.25337) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3635 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Kalamazoo, MI
Kalamazoo Co.
United States 		W. Michigan Ave. / Rankin Ave.
(42.28220, -85.61948) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Concentric striping in circulatory roadway. Replaced stop-controlled intersection with one uncontrolled approach.
Seattle, WA
King Co.
United States 		Bagley Ave. N / N 42nd St.
(47.65796, -122.33260) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Lawrence, KS
Douglas Co.
United States 		Fall Creek Dr. / Running Ridge Rd.
(38.98069, -95.28360) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
41.7789 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Clinton Pkwy. / Lake Pointe Dr.
(38.94298, -95.32938) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5831 		Other (At-Grade)
Single-Lane 		2005 Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 115th St.
(47.71221, -122.32060) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 117th St.
(47.71402, -122.32070) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 120th St.
(47.71584, -122.32070) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 123rd St.
(47.71767, -122.32080) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
29.7304 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Brazee St.
(45.54050, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Thompson St.
(45.53896, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.8845 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Tillamook St.
(45.53741, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.0495 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 21st Ave. / Thompson St.
(45.53898, -122.64420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.2980 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 21st Ave. / Brazee St.
(45.54051, -122.64420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
86.9974 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Morris St. / Wisteria St.
(45.54467, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7290 		Other (At-Grade)
Single-Lane 		1986 Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Brazee St.
(45.54057, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
119.6213 		Other (At-Grade)
Single-Lane 		1987 Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Thompson St.
(45.53904, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
94.5285 		Other (At-Grade)
Single-Lane 		1987 Completed 11/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Caruthers St.
(45.50550, -122.63470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
78.6812 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / West Quad
(38.54028, -121.75010) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.9467 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / North Quad
(38.54252, -121.75300) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.5511 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Storer Mall
(38.54082, -121.75250) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.0783 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.