Roundabouts Database Index

29954 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
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.
Denver, CO Denver Co. United States	N. Uinta Way / E. 6th Ave. Pkwy. (39.72570, -104.89200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.4401	Other (At-Grade) Single-Lane	1998	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	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.
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.
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.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Tall Trees Ln. (28.92198, -82.00272)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.5861	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	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.
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.
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?
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.
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.
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.
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.
Green Bay, WI Brown Co. United States	Airport Dr. (STH 172) / S. Pine Tree Rd. (44.49955, -88.14986)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2968	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	8th St. / Frontenac Ave. (51.02937, -114.08350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5433	Other (At-Grade) Single-Lane	2005	Driveway serving house entering roundabout. ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	Discovery Ridge Blvd. / Discovery Dr. (51.01179, -114.20000)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0855	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	McKenzie Towne Blvd. / McKenzie Towne Gt. / Prestwick Blvd. / Inverness Gt. (50.91650, -113.96430)	Roundabout Existing	All-Way Yield None	5 Approaches 1 Driveways 80.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Fire station has direct access to circulatory roadway. Year Completed estimated (before 2002).
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Kellogg Rd. (48.79511, -122.49170)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.3384	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Primary access to Whatcom Community College. Functional Class: Arterial ICD estimated from Google Maps linework.
Jensen Beach, FL Martin Co. United States	SR A1A / SR 732 (Jensen Beach Causeway) (27.25565, -80.19788)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2005	Yield-controlled right-turn bypass lane on north leg. Posted speed on approaches is 40 mph.
(unincorporated), VA Accomack Co. United States	Rte 316 / Rte 13 Bus. / Rte. 126 (37.70896, -75.70512)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4011	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Hollymead, VA Albemarle Co. United States	Rte. 649 / Rte. 606 / Airport Rd. (38.13692, -78.44793)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.3634	Other (At-Grade) Single-Lane	2005	Serves as entrance to airport. Previously controlled by all-way stop ICD estimated from Google Maps linework.
Gloucester, VA Gloucester Co. United States	W Main St. / Waltons Ln. / Fox Centre Pkwy. (37.39841, -76.52674)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9525	Other (At-Grade) Single-Lane	2005	West of Route 17, near Walmart and Home Depot retail. ICD estimated from Google Maps linework.
Newport News, VA Newport News Co. United States	Avenue of the Arts / University Pl. / Shoe Ln. (37.06211, -76.49220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4977	Other (At-Grade) Single-Lane	2005	Christopher Newport University entrance. ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	Weyerhaeuser Way S / S 336th St. (47.30262, -122.29650)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2004	Opened July 2004. Painted spirals in circulatory roadway to guide all three left turns to outer circulating lane.
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.
Blacksburg, VA Montgomery Co. United States	Washington St. / Campus Dr. / Stadium Rd. (37.22169, -80.42204)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 62.7690	Other (At-Grade) Single-Lane	2005	On the campus of Virginia Tech. ICD estimated from Google Maps linework.
(unincorporated), VA Powhatan Co. United States	Old Buckingham Rd. / General Scott Blvd. / (parking lot) (37.53775, -77.91700)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2005	In Powhatan Courthouse area opposite a subdivision.
Richmond, VA Henrico Co. United States	N. Lombardy St. / School Rd. / Admiral St. (37.55981, -77.45100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.5627	Other (At-Grade) Single-Lane	2005	Serves as entrance to Virgina Union University. ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Stillwater Trl. (28.90300, -81.98000)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.6426	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Bypass lane for southbound through movement in addition to two entry lanes. ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Bailey Trl. / Odell Cir. (28.89440, -81.97949)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.4194	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / St. Charles Pl. / Bonita Blvd. (28.88176, -81.98260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.4261	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	Fatal crash June 16, 2011. 11861-05. ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Bailey Trl. (28.87536, -81.99070)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.4754	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Stillwater Trl. / Canal St. (28.90453, -81.97457)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.5051	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Morse Blvd. / Stillwater Trl. (28.90661, -81.96886)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3218	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Morse Blvd. / Lake Sumter Landing (28.90930, -81.96960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.4114	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Bypass lane for northbound through movement. ICD estimated from Google Maps linework.
St. Louis, MO St. Louis Co. United States	Halls Ferry / MO 367 (38.72251, -90.24017)	Rotary Existing	All-Way Yield None	6 Approaches 0 Driveways 86.6571	Other (At-Grade) Multilane (2 Lane, unspecified)		three of the six approaches are multilane and have dual lanes of traffic merging into both lanes of the roundabout; roundabout is unstriped. Description as follows: Halls Ferry Circle is 3 lanes wide, 350 foot diameter, 35 miles per hour and has 5 major roadways entering (from http://www.ballwin.mo.us/minutes_062402.html) ICD estimated from Google Maps linework.
Redmond, WA King Co. United States	Trilogy Pkwy NE / NE Greens Crossing Rd. (47.70752, -122.02660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7178	Other (At-Grade) Single-Lane	2004	Adjacent to golf course and semi-retired community. Completed June 2004. ICD estimated from Google Maps linework.
Bethlehem, NY Albany Co. United States	Krumkill Rd. / Schoolhouse Rd. (CR 204) (42.66450, -73.84795)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.3728	Other (At-Grade) Single-Lane	2008	South entrance built for a road that was subsequently rejected Previously controlled by two-way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Voorheesville, NY Albany Co. United States	Rte 85A (Maple Rd.) / Rte 155 (42.64936, -73.92110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Replaced a stop-controlled, channelized triangular intersection. Completed Fall 2003. First roundabout in Albany area.
Colonie, NY Albany Co. United States	Albany Shaker Rd. / Maxwell Rd. (42.72396, -73.79143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7278	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Chico, CA Butte Co. United States	W. 8th Ave. / Meadow Rd. (39.74013, -121.86330)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 24.7963	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. 96th St. / E. Cholla St. (33.58979, -111.87390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8470	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. 96th St. / E. Sweetwater Ave. (33.60433, -111.87390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8420	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	99th Ave. / Lower Buckeye Rd. (33.42116, -112.27260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.8104	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	108th St. / Cactus Rd. (33.59701, -111.84790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8652	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Mount Aetna, MD Washington Co. United States	MD 66 (Mapleville Rd.) / Mount Aetna Rd. (39.60243, -77.62425)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1703	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	Hopkins-Gorman Rd. / US 29 NB Ramps (39.15846, -76.88660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.2695	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Medford, MN Steele Co. United States	CR 12 / I-35 SB Ramps (44.17364, -93.26057)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 67.6722	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Maplewood, MN Ramsey Co. United States	Frost Ave. / English St. (44.99927, -93.04572)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.5374	Other (At-Grade) Single-Lane	2002	Completed October 2002. Twenty-year ADT is 15,000. ICD estimated from Google Maps linework.
Stillwater, MN Washington Co. United States	Rutherford Rd. / 72nd St. / New England Pl. (School House Circle) (45.05673, -92.85909)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.6830	Other (At-Grade) Single-Lane	1999	Functional Class: Local 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.
Rochester, MN Olmsted Co. United States	College Dr. SE / College Pkwy. SE (north) (44.01949, -92.42918)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2000
Rochester, MN Olmsted Co. United States	UCR Dr. SE / Ucr Pkwy SE (south) (44.01538, -92.43011)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.3809	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Blair, NE Washington Co. United States	NE 133 / US 30 (41.51842, -96.14633)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1353	Other (At-Grade) Single-Lane	2004	Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NE 15th St. / Bear Creek Rd. (44.05150, -121.28400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9018	Other (At-Grade) Single-Lane	2005	Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Awbrey Rd. / NW Sonora Dr. (44.07240, -121.31750)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0262	Other (At-Grade) Single-Lane		Older design. Fourth leg is stub. ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	Vestry Rd. / Rocky Mouth Ln. (40.48996, -111.87390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.2236	Other (At-Grade) Single-Lane	1996	ICD estimated from Google Maps linework.
Orem, UT Utah Co. United States	E 850 North / N Palisade Dr. (40.31273, -111.66490)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.4997	Other (At-Grade) Single-Lane	2001	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	1730 North / 1740 West (40.25703, -111.68890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3437	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Promenade Dr. / Royal Pine Dr. (38.96891, -104.74860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.2859	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	700 East / Center St. (40.23369, -111.64660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9119	Other (At-Grade) Single-Lane	1996	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	1700 North / 1730 North / 1500 West (40.25650, -111.68530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4324	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	300 North / Seven Peaks Blvd. (40.23737, -111.63750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7337	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	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.
Provo, UT Utah Co. United States	Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods) (40.29899, -111.65785)	Other Removed	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2010	Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall.
Latham, NY Albany Co. United States	Latham Circle: Rte 2 / Rte 9 (42.74810, -73.76098)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2002
Nashua, NH Hillsborough Co. United States	SR 130 (Broad St.) / Coburn Ave. / Chuck Drudging Dr. (42.75617, -71.51653)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0619	Other (At-Grade) Single-Lane	2002	Entrance to north high school, very heavy traffic in AM peak. 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.
Las Vegas, NV Clark Co. United States	Carey Ave. / Belmont St. (36.20325, -115.10700)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 13.4923	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	Carey Ave. / Hamilton St. (36.20310, -115.12310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.9484	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	Carey Ave. / Revere St. (36.20313, -115.15180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8396	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	ICD estimated from Google Maps linework.
Las Vegas, NV Clark Co. United States	Hills Dr. / Longspur Dr. (36.19252, -115.29770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2295	Other (At-Grade) Multilane (2 Lane, unspecified)	1991	ICD estimated from Google Maps linework.
Alpine, UT Utah Co. United States	Canyon Crest Rd. / Alpine Hwy. (S. Main St.) (40.44784, -111.77840)	Roundabout Existing	Uncontrolled Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 42.7174	Other (At-Grade) Single-Lane	2003	Free-merge, active pedestrian warning Functional Class: Major Arterial ICD estimated from Google Maps linework.
Clemmons, NC Forsyth Co. United States	Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout) (36.07380, -80.39124)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9598	Other (At-Grade) Single-Lane	2002	Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Willimantic, CT Windham Co. United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0693	Other (At-Grade) Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Stafford Springs, CT Tolland Co. United States	Rte 32 / Rte 190 (41.95362, -72.30314)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 18.6523	Other (At-Grade) Multilane (2 Lane, unspecified)	1890	Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). 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.
Vancouver, BC Greater Vancouver Regional District Canada	Stanley Park Dr. / Pipeline Rd. / Park Entrance (49.29745, -123.13610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7024	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Surrey, BC Greater Vancouver Regional District Canada	King George Hwy / 8th Ave. (49.01661, -122.76240)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.4647	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
West Vancouver, BC Greater Vancouver Regional District Canada	Marine Dr. / Nelson Ave. / Rosebery Ave. (49.37024, -123.27980)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 28.0000	Other (At-Grade) Single-Lane	2004	http://www.westvancouver.ca/upload/documents/Tidings/WV_Tidings_Feb08_2004.pdf.
North Vancouver, BC Greater Vancouver Regional District Canada	Keith Rd. / Chesterfield Ave. (49.31817, -123.07670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5774	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Oroville, CA Butte Co. United States	Montgomery St. / Washington Ave. / Table Mountain Blvd. (39.51611, -121.54970)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8544	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Blue Lake, CA Humboldt Co. United States	Blue Lake Blvd. / Chartin Rd. (40.88640, -123.99540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3789	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Washington, DC N/A Co. United States	Randle Circle (Mass. Ave. / Minn. Ave. / K St.) (38.87810, -76.96148)	Signalized Roundabout/Circle Existing	Signal None	7 Approaches 0 Driveways 118.0801	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Lake Jeanette Rd. / Bass Chapel Rd. / N. Elm St. (36.14622, -79.81002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8620	Other (At-Grade) Single-Lane	2006	This location currently meets traffic signal warrants. We are installing the roundabout instead of a traffic signal. Previously controlled by stop sign Functional Class: Minor Arterial 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.
Lexington, KY Fayette Co. United States	W Reynolds Rd. / Keithshire Way / Wellington Way (37.99520, -84.53814)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.1196	Other (At-Grade) Multilane (2 Lane, unspecified)	1999	Opened between 1997 and 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Vernon, BC North Okanagan Regional District Canada	30th Ave. / 31st Ave. (50.26386, -119.28024)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 22.9043	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.