Roundabouts Database

30665 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
Abita Springs, LA
St. Tammany Par.
United States 		LA 59 / LA 36
(30.47826, -90.03768) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8204 		Other (At-Grade)
Single-Lane 		2007 https://www.nola.com/news/traffic/article_6d2b5475-b7f9-5429-a8f7-2127046c5508.html ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		19th Ave. / Union St.
(46.19220, -119.18040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.2832 		Other (At-Grade)
Single-Lane 		2003 1/3 mile from school, primary bus and traffic route for the school, on school walking route, has adult crossing guards. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		4th Ave. / Union St.
(46.20640, -119.18010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4496 		Other (At-Grade)
Single-Lane 		2003 Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Kennewick Ave. / Union St.
(46.20983, -119.18000) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.1420 		Other (At-Grade)
Single-Lane 		2003 Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Young St. / Quinault Ave.
(46.22004, -119.21950) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6646 		Other (At-Grade)
Single-Lane 		2003 Completed November 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Creekstone Dr. / Irving St.
(46.18894, -119.19640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.0725 		Other (At-Grade)
Single-Lane 		2005 New roadway (Creekstone) connecting into existing subdivision stub-street (Irving) on south side and new subdivision on north side Functional Class: Collector ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		I-5 NB Off-Ramp / Galaxy Dr. / Quinault Dr.
(47.06127, -122.76890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.5438 		Other (At-Grade)
Single-Lane 		2000 Completed November 1, 2000. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Meridian Rd. / Orion Dr.
(47.06890, -122.74140) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.1661 		Other (At-Grade)
Single-Lane 		2002 Opened October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Marvin Rd. / Hawks Prairie Rd.
(47.08312, -122.78070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6509 		Other (At-Grade)
Single-Lane 		2002 Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		College St. / 45th Ave.
(47.00710, -122.82310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0923 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		SR 510 (Marvin Rd.) / Pacific Ave.
(47.03941, -122.76480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.5572 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Completed July 28, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Pacific Ave. / Golf Club Rd. / Lacey Blvd.
(47.03786, -122.82860) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
61.8604 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Completed July 22, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Pacific Ave. / Lacey Blvd. / Lacey St. / Homann Dr.
(47.03677, -122.80630) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
53.7220 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Completed September 16, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Shasta Dr. / Olympic Dr.
(38.55540, -121.77620) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.2833 		Other (At-Grade)
Single-Lane 		1999 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Asheville, NC
Buncombe Co.
United States 		WT Weaver Blvd / University Heights
(35.61435, -82.56285) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.1862 		Other (At-Grade)
Single-Lane 		2002 Completed August 2002. Entrance to University of North Carolina at Asheville. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		1st Ave. / Holiday Rd.
(41.69276, -91.56655) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.8896 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
San Antonio, TX
Bexar Co.
United States 		Blanco Rd. / Fulton Ave.
(29.46156, -98.50787) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		2007 .
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Lake Miona Dr.
(28.90940, -81.99397) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.4114 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		SW Meinecke Pkwy / SW Dewey Dr.
(45.35897, -122.85650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.8900 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		Meinecke Pkwy. / Cedar Brook Way
(45.36180, -122.85870) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.0842 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
(unincorporated), OR
Washington Co.
United States 		NW Verboort Rd. / Martin Rd.
(45.55150, -123.07350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.0173 		Other (At-Grade)
Single-Lane 		2003 Reverse curves on approaches. Designed as multilane roundabout, striped-out inner circulatory and entry/exit lanes. ICD estimated from Google Maps linework.
Billings, MT
Yellowstone Co.
United States 		Ironwood Dr. / Woodcreek Dr.
(45.81641, -108.67716) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003
Crozet, VA
Ablemarle Co.
United States 		Old Trail Dr. / West End Dr.
(38.06612, -78.71195) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.0297 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Kiel, WI
Manitowoc Co.
United States 		STH 67-STH 32 / STH 57
(43.90986, -88.02251) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.0446 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Opened November 13, 2009. Functional Class: Arterial ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		San Juan Rd. / Azevedo Dr.
(38.62740, -121.50840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1250 		Other (At-Grade)
Single-Lane 		2004 Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Coeur dAlene, ID
Kootenai Co.
United States 		4th St. / Margaret Ave.
(47.71537, -116.77880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1602 		Other (At-Grade)
Single-Lane 		2003 Near high school. ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States 		Palmetto St. / Casler Ave.
(27.97541, -82.76752) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.0954 		Other (At-Grade)
Single-Lane 		2003 John F. Kennedy Middle School on NE corner. Crossing guard operation across N and E legs. ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Dickinson Rd. (CTH G) / East River Dr.
(44.43684, -88.02830) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7306 		Other (At-Grade)
Single-Lane 		2001 Roundabout is slightly east of the Chicago/Swan roundabout and is located in a residential area. Roundabout is near East De Pere Middle School and De Pere High School. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
Rexburg, ID
Madison Co.
United States 		2nd W. / 4th S.
(43.81770, -111.78950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1941 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Honolulu, HI
Oahu Co.
United States 		Likini St. / Ala Ilima St. / Ala Lilikoi St.
(21.35054, -157.91460) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.4720 		Other (At-Grade)
Single-Lane 		2000 Roundabout is 500 ft from Salt Lake Elementary School. http://starbulletin.com/2000/02/28/news/story9.html ICD estimated from Google Maps linework.
Charlotte, NC
Mecklenburg Co.
United States 		E. 9th St. / N. Davidson St.
(35.22668, -80.83273) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.9516 		Other (At-Grade)
Single-Lane 		2006 Near elementary school. ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / I-70 WB Ramps
(39.62759, -106.49460) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.6349 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / I-70 EB Ramps
(39.62714, -106.49610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.7153 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / Fawcett Rd.
(39.62907, -106.50190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.7944 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Serves Home Depot and Walmart retail center. Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / US 6
(39.62460, -106.50490) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.6366 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Fatal crash February 22, 2007. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO
Eagle Co.
United States 		William J Post Blvd. / Yoder Ave.
(39.62753, -106.50320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.9554 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Functional Class: Arterial ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Chicago St. (CTH G) / Libal St.
(44.44026, -88.03812) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8455 		Other (At-Grade)
Single-Lane 		2001 Roundabout surrounded by homes, businesses, East De Pere Middle School, and De Pere High School. Roundabout serves as main entrance to the high school. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Dickinson Rd. (CTH G) / Swan Rd.
(44.43908, -88.03475) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.0241 		Other (At-Grade)
Single-Lane 		2001 Roundabout is slightly east of the Chicago/Libal roundabout and is surrounded by businesses and East De Pere Middle School. Roundabout serves as the entrance to a medical clinic. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
Green Bay, WI
Brown Co.
United States 		Airport Dr. (STH 172) / Airport Entrance
(44.49569, -88.12467) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1882 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Opened October 2011. ICD estimated from Google Maps linework.
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Terry Rd. / Pearl St. / Pascagoula St.
(32.29912, -90.19500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006
Jackson, MS
Hinds Co.
United States 		Metro Pkwy. / Rose St.
(32.30005, -90.20143) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Elliptical shaped. ICD = 160 ft x 115 ft.
Kennewick, WA
Benton Co.
United States 		27th Ave. / Vancouver St.
(46.18394, -119.14850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4604 		Other (At-Grade)
Single-Lane 		2004 Completed November 15, 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Denali National Park, AK
Denali National Park
United States 		Denali National Park
(63.73358, -148.91550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3554 		Other (At-Grade)
Single-Lane 		2002 Date estimated. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Grandridge Blvd. / Center Pkwy.
(46.22032, -119.23220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5746 		Other (At-Grade)
Single-Lane 		2006 Completed August 3, 2006. Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Gage Blvd. / Center Pkwy.
(46.22710, -119.23120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6169 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Kaukauna, WI
Outagamie Co.
United States 		CTH J / US 41 NB Ramps
(44.30463, -88.24939) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.6070 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Opened October 11, 2010. ICD estimated from Google Maps linework.
St. Simons, GA
Glynn Co.
United States 		Demere Rd. / Frederica Rd.
(31.15957, -81.38859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.9249 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Albany, OR
Linn Co.
United States 		N. Albany Rd. / Gibson Hill Rd.
(44.65688, -123.11730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.7877 		Other (At-Grade)
Single-Lane 		2005 Completed August 2005. Four leg added to north to extend North Albany Road. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		18th Ave. / Irving St.
(46.19221, -119.19620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.1649 		Other (At-Grade)
Single-Lane 		2006 New roads/intersection in subdivision - completed February 2006. Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		28th St. / O'Connell Rd.
(38.93372, -95.20499) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7292 		Other (At-Grade)
Single-Lane 		2004 Built as part of Widening of OConnell Road. Orig. T intersection, east leg currently unused. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Highland, IL
Madison Co.
United States 		US 40 / IL 160 / Poplar St.
(38.75010, -89.67197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9832 		Other (At-Grade)
Single-Lane 		2004 Roundabout operating nicely with no accidents reported during first six months of operation. Completed October 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		W. Harvard Rd. / George Williams Way
(38.96404, -95.32552) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.1446 		Other (At-Grade)
Single-Lane 		2005 Built in conjunction with construction of George Williams Way. Functional Class: Collector ICD estimated from Google Maps linework.
Bloomington, IN
Monroe Co.
United States 		Moores Pike / Winfield Rd.
(39.15027, -86.50103) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.3430 		Other (At-Grade)
Single-Lane 		2005 Completed August 2005. http://bloomington.in.gov/egov/docs/1124562196872.htm ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States 		Old Seward Hwy / Huffman Rd..
(61.10864, -149.86350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.8158 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Estimated completion 2008. ICD estimated from Google Maps linework.
Sioux Falls, SD
Minnehaha Co.
United States 		Career Ave. / W Nobel St.
(43.59985, -96.78073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008 Right-turn-only lane on north leg; added lane right-turn bypass lane on east leg. ICD estimated from Google Earth.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Phelps Ave.
(37.67470, -121.00600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.6873 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Lifescapes Dr. / Grecian Ave.
(37.69840, -120.98540) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.5700 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Sylvan Ave. / Roselle Ave.
(37.68896, -120.93980) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.2012 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		E. Lowry Blvd. / E Fairmount Dr. / Rampart Way
(39.71718, -104.89580) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.6091 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Graycroft
(38.97358, -104.78310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7125 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1999
Federalsburg, MD
Caroline Co.
United States 		MD 307 / MD 313 / MD 318
(38.68938, -75.78949) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4247 		Other (At-Grade)
Single-Lane 		1999 Rural, installed for safety reasons Previously controlled by two-way stop 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.
Cedar Lake Township, MN
Scott Co.
United States 		SH 13 (Langford Ave.) / CR 2 (260th St.)
(44.57259, -93.50546) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.9429 		Other (At-Grade)
Single-Lane 		2005 Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Rainier, MD
Prince Georges Co.
United States 		US 1 / 34th St. / Perry St.
(38.93647, -76.96074) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2001 Oval shaped. ICD = 135 ft x 115 ft.
Lutherville-Timonium, MD
Baltimore Co.
United States 		MD 139 (Charles St.) / Bellona Ave.
(39.41790, -76.62900) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Two-lane circulatory roadway across northern half.
Copley Township, OH
Summit Co.
United States 		Ridgewood Rd. / Hametown Rd.
(41.11395, -81.66791) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1947 		Other (At-Grade)
Single-Lane 		2006 Opened August 21, 2006. ICD estimated from Google Maps linework.
Decatur, GA
DeKalb Co.
United States 		N Decatur Rd. / Lullwater Rd.
(33.78744, -84.32914) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2004
Clovis, NM
Curry Co.
United States 		Hwy 245 (Llano Estacado Blvd.) / Norris St.
(34.43384, -103.17830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.3276 		Other (At-Grade)
Single-Lane 		2006 Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Taneytown, MD
Carroll Co.
United States 		MD 140 / MD 832 / Antrim Blvd.
(39.64809, -77.15468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Hilton Head, SC
Beaufort Co.
United States 		Whooping Crane Way / Main St.
(32.21647, -80.72187) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.4598 		Other (At-Grade)
Single-Lane 		1996 Completed February 1996. ICD estimated from Google Maps linework.
Huntsville, AL
Madison Co.
United States 		Old Monrovia Rd. / Providence Main St. / Indian Creek Rd.
(34.75765, -86.68776) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3429 		Other (At-Grade)
Single-Lane 		2004 Single-lane with right-turn only lanes. Built as staged construction with potential to be multilane. ICD estimated from Google Maps linework.
Camp Verde, AZ
Yavapai Co.
United States 		Middle Verde / Cliff Castle
(34.60927, -111.86130) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.3535 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Grant St. (CTH EE) / Lawrence Dr.
(44.44511, -88.09367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8430 		Other (At-Grade)
Single-Lane 		2008 Opened September 30, 2008. ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / W. River St. / McIver Crossing
(39.32510, -120.19200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1077 		Other (At-Grade)
Single-Lane 		1998 Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Montpelier, VT
Washington Co.
United States 		Keck Circle (Main St. / Spring St.)
(44.26283, -72.57178) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6594 		Other (At-Grade)
Single-Lane 		1995 Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Sarasota, FL
Sarasota Co.
United States 		St. Armands Circle: SR 780 / Boulevard of the Presidents / John Ringling Blvd.
(27.31842, -82.57722) 		Other
Existing 		Other
None 		5 Approaches
0 Driveways
128.0157 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian access to central island; parking along circulatory roadway. Shopping district. Completed 1940?
Sarasota, FL
Sarasota Co.
United States 		South Gate Circle: Tuttle Ave. / Siesta Dr.
(27.30536, -82.51414) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
129.5400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		Yield control on circulatory roadway.
Naples, FL
Collier Co.
United States 		7th St. N. / 7th Ave. N.
(26.15619, -81.79971) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.5125 		Other (At-Grade)
Single-Lane 		1998 Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		7th St. N. / 11th Ave. N.
(26.15712, -81.79420) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL
Collier Co.
United States 		7th St. N. / 12th Ave. N.
(26.15734, -81.79282) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Hollywood, FL
Broward Co.
United States 		Hollywood Blvd. / Rainbow Dr.
(26.01050, -80.18360) 		Other
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
274.3200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Uncontrolled mainline, stop-control on side street. Building and parking in central island.
Hollywood, FL
Broward Co.
United States 		Hollywood Blvd. / 26th Ave.
(26.01110, -80.15920) 		Signalized Roundabout/Circle
Existing 		Signal
None 		4 Approaches
0 Driveways
200.7172 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Signal access to parking and building in center of circle. ICD estimated from Google Maps linework.
Hollywood, FL
Broward Co.
United States 		Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St.
(26.01150, -80.14300) 		Signalized Roundabout/Circle
Existing 		Signal
None 		7 Approaches
0 Driveways
70.8411 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Signalized access, parking area in central island. ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Chandon Dr. / Calero Dr.
(37.67642, -120.93380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4132 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Fremont Ave.
(37.67470, -121.00260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9061 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by twsc ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States 		S. Dixie Hwy / SR 76 / SR A1A
(27.19767, -80.25266) 		Other
Existing 		Other
None 		0 Approaches
0 Driveways
26.5569 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Railroad crossing next to circle. ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States 		N. Colorado Ave. / E. Osceola St.
(27.19860, -80.25300) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9303 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 WB Ramps / North Frontage Rd.
(39.62828, -106.42120) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 EB Ramps / South Frontage Rd.
(39.62753, -106.42020) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		1997
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
770.9968 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
67.0560 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Santa Barbara, CA
Santa Barbara Co.
United States 		Milpas St. / US 101 NB Ramps / Carpinteria St.
(34.42073, -119.67765) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05.
Cottonwood, AZ
Yavapai Co.
United States 		AZ 89A / Verde Heights Dr.
(34.73999, -112.03740) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2009 Series of 5 roundabouts.
Oshkosh, WI
Winnebago Co.
United States 		CTH E (Witzel Ave.) / Koeller St.
(44.01805, -88.58098) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010 Opened September 24, 2010.
Carlsbad, CA
San Diego Co.
United States 		Legoland Dr. / Armada Dr.
(33.13229, -117.31660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1999 Unstriped circulatory roadway.
Phoenix, AZ
Maricopa Co.
United States 		S. Pointe Pkwy. W / S. Pointe Pkwy. E
(33.37649, -111.97210) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.8650 		Other (At-Grade)
Single-Lane 		1994 Before 1997. ICD estimated from Google Maps linework.
Douglasville, GA
Douglas Co.
United States 		SR 5 / SR 166
(33.61361, -84.83688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8602 		Other (At-Grade)
Single-Lane 		2007 Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework.
(unincorporated), MD
Anne Arundel Co.
United States 		Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9594 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		MD 17 / A St. / B St. / Maryland Ave.
(39.31433, -77.62807) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
42.5054 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.