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
(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
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.
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.
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.
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.
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.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Berthie Cir.
(38.79348, -104.83950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7557 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Old Broadmoor Rd.
(38.79479, -104.83360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3405 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Belvedere Blvd.
(28.91778, -81.99953) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States 		Morse Blvd. / El Camino Real / Paige Pl.
(28.94803, -81.95540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
68.9771 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 ICD estimated from Google Maps linework.
Killingworth, CT
Middledex Co.
United States 		Rte. 80 / Rte. 81
(41.35801, -72.56517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		1997 First rotary modification in Connecticut. 21442
North Stonington, CT
New London Co.
United States 		Rte 2 / Rte 184
(41.42439, -71.86039) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
103.6320 		Other (At-Grade)
Single-Lane 		Yield signs added 1999?
Miami Springs, FL
Miami-Dade Co.
United States 		DeSoto Dr. / Labaron Dr.
(25.81180, -80.27770) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
36.5558 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
The Villages, FL
Marion Co.
United States 		Buena Vista Blvd. / Mulberry Ln.
(28.98078, -82.01563) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
70.0001 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 ICD estimated from Google Maps linework.
The Villages, FL
Marion Co.
United States 		Buena Vista Blvd. / Legacy Ln.
(28.97006, -82.01506) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.3341 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 ICD estimated from Google Maps linework.
The Villages, FL
Marion Co.
United States 		Buena Vista Blvd. / Belle Meade Cir.
(28.96300, -82.00399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.3827 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States 		Buena Vista Blvd. / Glenview Rd. / El Camino Real
(28.95271, -82.00076) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
71.0641 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States 		Pinecrest Dr. / South Dr.
(25.81530, -80.28000) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
43.0055 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		S. Allison Pkwy. / W. Virginia Ave.
(39.70705, -105.08390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
33.9964 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Local ICD estimated from Google Maps linework.
Oskaloosa, IA
Mahaska Co.
United States 		Hwy 432 / Old Hwy 163 / Pella Ave. / Orchard Ave.
(41.30376, -92.66716) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8882 		Other (At-Grade)
Single-Lane 		2004 Completed April 2004. Site has sunken hole in central island with tunnels for bike path that passes under circulatory roadway. Experienced two single-vehicle crashes into sunken central island (alcohol-related). ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States 		First St. / I-135 Ramps
(38.04250, -97.32240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.8419 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		W. 141st St. / Bluejacket St.
(38.87130, -94.71130) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6150 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Local 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.
New London, CT
New London Co.
United States 		Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer
(41.34204, -72.09873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8671 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Collector ICD estimated from Google Maps linework.
Indianapolis, IN
Marion Co.
United States 		Monument Circle [Market St. / Meridian St.]
(39.76848, -86.15804) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1820 Most famous traffic circle in the State of Indiana. Completed 1820.
Carmel, IN
Hamilton Co.
United States 		Hazel Dell Pkwy. / E 126th St.
(39.97119, -86.07069) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1998
Carmel, IN
Hamilton Co.
United States 		Hazel Dell Pkwy. / E 131st St.
(39.97845, -86.07054) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1998 Built in late 1990s.Converted to multilane 2010-2012. Right-turn-only lane on west leg; left-turn-only lane on east leg.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 SB Ramp
(39.19810, -119.77540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7669 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Arrowhead Dr. / I-580 NB Ramps / Imus Rd.
(39.19840, -119.77380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6923 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
Medford, MN
Steele Co.
United States 		CR 12 / I-35 NB Ramps
(44.17349, -93.25775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6872 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
East Lansing, MI
Ingham Co.
United States 		Wilson Rd. / Red Cedar Rd.
(42.72324, -84.48238) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
23.6898 		Other (At-Grade)
Unknown 		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.
Eagle, CO
Eagle Co.
United States 		Eby Creek Rd. / US 6
(39.65630, -106.82500) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
40.4579 		Other (At-Grade)
Single-Lane 		2001 Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial 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.
Gypsum, CO
Eagle Co.
United States 		I-70 Frontage Roads / US 6
(39.65086, -106.95510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3351 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA
Skagit Co.
United States 		SR 20 / Padilla Heights Rd.
(48.45519, -122.51940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2280 		Other (At-Grade)
Single-Lane 		2002 The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local 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.
Hilton Head, SC
Beaufort Co.
United States 		US 278 / Pope Ave. / Greenwood Dr. / William Hilton Pkwy.
(32.15560, -80.76283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.0011 		Other (At-Grade)
Single-Lane 		2000 Converted rotary with large diameter. Right turn bypass lanes on all legs. Conversion Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		River Rd. / East 131st St. / Longest Dr.
(39.97910, -86.05145) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		1997 First roundabout in Carmel.
Carmel, IN
Hamilton Co.
United States 		Gray Rd. / 106th St.
(39.94151, -86.08847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6277 		Other (At-Grade)
Single-Lane 		2003 Under construction in December 2002; completed January 2003. Intersection closed until completion. Construction cost $430,000 per Indianapolis Star article authored by Bill Ruthhart (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Spring Mill Rd. / W. 131st St.
(39.97776, -86.16474) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2691 		Other (At-Grade)
Single-Lane 		2007 Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Spring Mill Rd. / W. 136th St.
(39.98505, -86.16485) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.6893 		Other (At-Grade)
Single-Lane 		2005 Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / Pennsylvania St.
(39.96796, -86.15526) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2008
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / 131st (Main) St.
(39.97806, -86.14577) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2007 Painted spirals next to central island. Skewed intersection.
Bettendorf, IA
Scott Co.
United States 		53rd Ave. / Middle Rd.
(41.57538, -90.46408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5252 		Other (At-Grade)
Single-Lane 		2002 Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework.
Johnson City, NY
Broome Co.
United States 		Riverside Dr. / Floral Ave. / Rte 201 Ramps
(42.10678, -75.96601) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 http://www.dot.state.ny.us/reg/r9/cur_project/circle/about/index.html
Raleigh, NC
Wake Co.
United States 		Pullen Rd. / Stinson Dr.
(35.78457, -78.66421) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.3773 		Other (At-Grade)
Single-Lane 		2002 Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		67th St. / Gleason Rd.
(39.00723, -94.86295) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3387 		Other (At-Grade)
Single-Lane 		2002 Built as part of extension of both streets -- road originally curved from the north to the east. Completed October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Royal Pine Dr.
(38.98067, -104.77060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9242 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Reno, NV
Washoe Co.
United States 		Wedekind Rd. / Clear Acre Ln.
(39.55157, -119.78930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.0222 		Other (At-Grade)
Single-Lane 		1999 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Lake Oswego, OR
Clackamas Co.
United States 		SW Stafford Rd. / SW Rosemont Rd.
(45.39300, -122.69020) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7740 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
(unincorporated), OR
Clackamas Co.
United States 		SW Stafford Rd. / SW Borland Rd.
(45.37472, -122.70240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.6945 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		E 5th St. / Fairview Dr.
(39.16090, -119.72790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		1999
Hinesville, GA
Liberty Co.
United States 		Washington Ave. / Memorial Dr.
(31.84992, -81.59570) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5366 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Brookfield, WI
Waukesha Co.
United States 		Barker Rd. (CTH Y) / North Ave. (CTH M)
(43.06136, -88.16629) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.9042 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Functional Class: Arterial 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.
Scottsdale, AZ
Maricopa Co.
United States 		E. Oak St. / N. 70th St.
(33.47301, -111.93050) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.9249 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		22nd Ave. E / E Thomas St.
(47.62138, -122.30360) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
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
Greenbelt, MD
Prince Georges Co.
United States 		Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance
(38.98378, -76.87333) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.4960 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1994-2001). ICD estimated from Google Maps linework.
Superior, CO
Boulder Co.
United States 		5th Ave. / Center Dr.
(39.95764, -105.17190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.1262 		Other (At-Grade)
Single-Lane 		1999 Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework.
Windsor, CO
Weld Co.
United States 		Westgate Dr. / Oakmond St.
(40.48121, -104.98870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg.
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.
Linton Hall, VA
Prince William Co.
United States 		Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way
(38.74593, -77.58755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1911 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
McPherson, KS
McPherson Co.
United States 		E. 1st St. / Centennial Dr.
(38.37671, -97.62996) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3878 		Other (At-Grade)
Single-Lane 		2005 Fatal crash January 20, 2010. 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.
Overland Park, KS
Johnson Co.
United States 		110th St. / Lamar Ave.
(38.92910, -94.65830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.3130 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		133rd St. / Lamar Ave.
(38.88654, -94.65847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1862 		Other (At-Grade)
Single-Lane 		2006 Completed May 2006. ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		58th St. / Thurston Rd.
(44.05320, -122.92640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.7507 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Maple Island Rd. / International Way
(44.08840, -123.03490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1668 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Reed Market Dr. / SW Bond St. / SW Brookswood Blvd.
(44.04047, -121.31678) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2003
Bend, OR
Deschutes Co.
United States 		SW Reed Market Dr. / Mt. Bachelor Dr.
(44.03830, -121.33340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2015 		Other (At-Grade)
Single-Lane 		2002 Fourth leg was built with completion of new bridge over Deschutes River. ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Sylvan Ave. / Millbrook Ave.
(37.68898, -120.93520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.3658 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States 		W. 8th Ave. / Magnolia Ave.
(39.74451, -121.85270) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.7130 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Rigden Pkwy. / Custer Dr.
(40.54863, -105.02960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.9307 		Other (At-Grade)
Single-Lane 		2001 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Stanton Creek Dr. / St. Thomas Dr.
(40.49066, -105.05590) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.5241 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		E. 13th St. / N. Denver Ave.
(40.40520, -105.04480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7445 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Silverwood Dr. / Centennial Rd.
(40.54545, -105.05120) 		Traffic Calming Circle
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7646 		Other (At-Grade)
Single-Lane 		Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector 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 		Bennett Creek Ave. / Bennett Creek Rd.
(39.32223, -77.35181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2613 		Other (At-Grade)
Single-Lane 		2000 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.
Denver, CO
Denver Co.
United States 		Chopper Cir. / VIP Parking / 9th St. / Access Rd
(39.74721, -105.00810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.3424 		Other (At-Grade)
Single-Lane 		1999 Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sugarloaf Pkwy.
(39.32862, -77.35193) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8013 		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.
Oshkosh, WI
Winnebago Co.
United States 		CTH E (Witzel Ave.) / Washburn St.
(44.01808, -88.58321) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010 Opened September 24, 2010.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sprigg St.
(39.33070, -77.35654) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.4954 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bush Creek Dr. / Major Smith Ln.
(39.33507, -77.35263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6364 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States 		Santa Fe Dr. / Devonshire Dr. / Rubenstein Ave.
(33.03622, -117.28590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.0272 		Other (At-Grade)
Single-Lane 		2004 Site of solo fatal crash in 2007, DUI .29%. http://www.nctimes.com/articles/2007/10/09/news/coastal/2_03_3710_8_07.txt. 11861-05. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.