Roundabouts Database Index

28926 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
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.
Urbana, MD Frederick Co. United States	Bennett Creek Ave. / Bennett Creek Blvd. (39.32256, -77.34935)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8808	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Lacey, WA Thurston Co. United States	Marvin Rd. NE / Main St. NE (47.06709, -122.76828)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Roundabout installed, although cross street not initially constructed.
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.
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.
Portland, OR Multnomah Co. United States	NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot (45.57770, -122.55950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7822	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
North Harford, MD Harford Co. United States	MD 165 / MD 24 (39.67220, -76.40930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1750	Other (At-Grade) Single-Lane	2000	Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	200 West (Freedom Blvd.) / 920 South (40.22177, -111.66230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.5341	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Powderwood Dr. / Factory Outlet Parking (40.72733, -111.55255)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4374	Other (At-Grade) Single-Lane	2000	Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Kilby Rd. / Factory Outlet Parking (40.73040, -111.55040)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3918	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Orem, UT Utah Co. United States	1200 South / 400 West (40.27531, -111.70480)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.9811	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Bainbridge Island, WA Kitsap Co. United States	High School Rd. / Madison Ave. (47.63579, -122.52100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9484	Other (At-Grade) Single-Lane	2000	Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework.
Urbana, MD Frederick Co. United States	MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd. (39.32467, -77.34974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.6619	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Rural ICD estimated from Google Maps linework.
Tooele, UT Tooele Co. United States	W 2000 N / N 70 W (40.56555, -112.30310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1987	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Lacey, WA Thurston Co. United States	Marvin Rd. / Britton Pkwy. (47.06905, -122.77090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3682	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Completed September 14, 2000. Functional Class: Arterial ICD estimated from Google Maps linework.
Okemos, MI Ingham Co. United States	Hamilton Rd. / Marsh Rd. (42.71625, -84.42687)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8350	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Frisco, CO Summit Co. United States	SH 9 / I-70 WB Ramps (39.59339, -106.09700)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 34.0524	Freeway Ramps (Grade-Separated) Single-Lane	2000	Highway ref. pt. 70-202.35. ICD estimated from Google Maps linework.
Aspen, CO Pitkin Co. United States	SR 82 / Maroon Creek Rd. / Castle Creek Rd. (39.19557, -106.84025)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2000
Greenwood Village, CO Arapahoe Co. United States	Peoria St. / Cherry Creek Dr. (39.61015, -104.84800)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.7631	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Golden, CO Jefferson Co. United States	Jefferson County Pkwy. / Civic Center (39.72717, -105.19940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9051	Other (At-Grade) Single-Lane	2000	Feeds parking lot ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd. (26.54660, -80.16390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.5051	Other (At-Grade) Single-Lane	2000	Date estimated. ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Le Chalet Blvd. (26.55650, -80.15710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.2298	Other (At-Grade) Single-Lane	2000	Date estimated. ICD estimated from Google Maps linework.
University Place, WA Pierce Co. United States	Grandview Dr. / 56th St. W (47.20565, -122.56890)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3417	Other (At-Grade) Single-Lane	2000	Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA Pierce Co. United States	Grandview Dr. / 62nd Ct. W / Park Entrance (47.20033, -122.56890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7785	Other (At-Grade) Single-Lane	2000	Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA Pierce Co. United States	Grandview Dr. / Bristonwood Dr. / 48th St. W (47.21334, -122.56880)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9607	Other (At-Grade) Single-Lane	2000	Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA Pierce Co. United States	Grandview Dr. / Cirque Dr. (47.21093, -122.56880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.1506	Other (At-Grade) Single-Lane	2000	Opened September 2000. ICD estimated from Google Maps linework.
Kemptville, ON United Counties of Leeds and Grenville Canada	CR 43 / Rideau River Rd. (45.02990, -75.63668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	O'Neill Dr. / Benjamin Dr. (33.57070, -117.63860)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.8341	Other (At-Grade) Single-Lane	2000	http://www.ocregister.com/ocregister/news/local/communities/ladera/article_1584236.php. Date estimated. Functional Class: Collector ICD estimated from Google Maps linework.
Ladysmith, BC Vancouver Island Regional District Canada	1st Ave. / Symonds St. (48.99727, -123.82330)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4258	Other (At-Grade) Single-Lane	2000	First roundabout in British Columbia. Sponsored by ICBC. http://www.sustainability.ca/Docs/Transportation%20Case%20Studies-%20Technical%20Engineering%20Solutions.pdf?CFID=1123696&CFTOKEN=10586703 ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Main St. / S 3rd St. (42.52942, -83.78761)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.1233	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Rochester, MN Olmstead Co. United States	Fox Valley Dr. / Fox Knoll Dr. SW (44.00954, -92.50074)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7826	Other (At-Grade) Single-Lane	2000	Previously controlled by new 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.
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.
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).
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.
Howard, WI Brown Co. United States	Belmont Rd. / Belle Plane Rd. (44.58361, -88.09459)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9671	Other (At-Grade) Single-Lane	2000	Roundabout was constructed in center of residential subdivision south of Lineville Road. Roundabout is slightly smaller than the Lineville roundabouts. Completed August 2000. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Local 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.
Knightdale, NC Wake Co. United States	Maplewood Dr. / McKnight Dr. (35.79656, -78.48228)	Other Existing	All-Way Yield None	2 Approaches 0 Driveways 33.9052	Other (At-Grade) Single-Lane	2000	Functional Class: Collector ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Brainard Dr. / Squirreltail Dr. (38.96376, -104.74410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.2161	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Aiken, SC Aiken Co. United States	E Gate Dr. / Aiken Mall Dr. SW / (parking lot) (33.51065, -81.71479)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8785	Other (At-Grade) Single-Lane	2000	Channelized right-turn lanes on all legs. No Left Turn signs under Yield signs. Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	S Old Tom Morris Rd. / Catawba Cir. / (golf course parking lot) (39.68629, -104.70910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0875	Other (At-Grade) Single-Lane	2000	Windmill in central island. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Bluffton, SC Beaufort Co. United States	Bridgewater Dr. / Parkside Dr. (32.27840, -80.90985)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.4295	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Vaughan, ON York Canada	Cranston Park Ave. / Melville Ave. / Drummond Dr. (43.86528, -79.52939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.8598	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2002). ICD estimated from Google Maps linework.
St Catharines, ON Niagara Canada	Suzanne Rochon-Burnett Circle (University Rd. E / Greenhouse Ln. / Ray Woodfield Dr. / John McDonald St.) (43.12007, -79.24428)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0000	Other (At-Grade) Single-Lane	2000	Initial completion estimated (before 2003). Modified approximately 2003-2007 to realign University Road leg. ICD estimated from Google Maps linework. 21442
Knoxville, TN Knox Co. United States	Gleason Dr. SW / Wellsley Park Rd. SW (35.92329, -84.02883)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.3914	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). Original two-lane circulatory roadway with concentric lane line. Striped out inner lane of circulatory roadway to make single-lane around 2014-2016. ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Boulevard du Saguenay / Rue Moissan / Rue Oersted / Boulevard Mellon (48.43281, -71.17983)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 31.6974	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Park West Blvd. / Queensgate Way (32.89109, -79.78477)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.1701	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Chambly, QC La Vallée-du-Richelieu Regional County Municipality Canada	Avenue Bourgogne / Avenue de Salaberry / Rue Martel (45.44894, -73.29059)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1362	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Old Washington Rd. (MD 97) / W Old Liberty Rd. (39.42906, -77.00755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1330	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	Deauville Cir. / Armstrong Ave. (36.86322, -119.67286)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.2883	Other (At-Grade) Single-Lane	2000	Pedestrian crossing next to circulatory roadway. ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	Blooming Hills Dr. / S Blooming Hills Dr. (34.58020, -112.44489)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.4332	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1992-2002). ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Rue Jacques-Cartier E / Rue du Foyer / Rue des Franciscaines (48.42346, -71.03839)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.3626	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Saguenay, QC Saguenay Canada	Rue Jacques-Cartier E / Boulevard Talbot (48.42400, -71.04228)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.1177	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Yamachiche, QC Maskinongé Canada	Boulevard Saint Laurent E / Route Ste-Anne O / Route du Pays Brûlé (46.26235, -72.87783)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.1111	Other (At-Grade) Single-Lane	2000	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Mill Creek Pl. / Oak Vista Way (37.65794, -121.89347)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 1 Driveways 16.0738	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Syracuse, UT Davis Co. United States	S Bluff Rd. / S 2000 W / W 2700 S (41.07470, -112.06459)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 33.3129	Other (At-Grade) Single-Lane	2000	Painted splitter islands. Year Completed estimated (1997-2003). ICD estimated from Google Maps linework.
Carthage, MO Jasper Co. United States	E Airport Dr. / S Grand Ave. / Fairlawn Ave. (37.14749, -94.31065)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 50.4549	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2003). ICD estimated from Google Maps linework.
Carthage, MO Jasper Co. United States	W George Phelps Blvd. / S Garrison Ave. (37.14409, -94.31474)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.3208	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2003). ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Elm Dr. / South Dr. (40.34078, -74.65595)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 29.1305	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Amesbury, MA Essex Co. United States	Friend St / School St (Rte 150) / Allens Ct (42.85615, -70.93410)	Roundabout Existing	Other None	4 Approaches 0 Driveways 26.2656	Other (At-Grade) Single-Lane	2001	North leg stop-controlled. Fire station on south leg. Resurfaced on 2017. ICD estimated from Google Maps linework.
Markham, ON York Canada	Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2001).
Kamloops, BC Thompson-Nicola Canada	Qu'Appelle Blvd. / Highland Rd. (50.66113, -120.26216)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.2269	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Suwanee, GA Gwinnett Co. United States	Summit Gate Dr. / Sentry Ridge Crossing (34.05950, -84.02453)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.6729	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Prescott, AZ Yavapai Co. United States	E Smoke Tree Ln. / Northridge Dr. / Solstice Dr. (34.58711, -112.44239)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3132	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1992-2002). ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	N Timmy Ave. / W Heritage Ave. (36.85883, -119.72723)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0232	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	N Timmy Ave. / W Quincy Ave. (36.85710, -119.72725)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7574	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Clovis, CA Fresno Co. United States	N Timmy Ave. / W Enterprise Ave. (36.85538, -119.72726)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9355	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Norfolk, NE Madison Co. United States	W Pasewalk Ave. / S 7th St (42.02605, -97.41686)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.7287	Other (At-Grade) Single-Lane	2001	At-grade rail crossing on east leg. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	Brookhollow Dr. / Slippery Rock Ct. / Spillwater Way (40.02443, -86.10150)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.3874	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Prévost, QC La Rivière-du-Nord Regional County Municipality Canada	Rue du Clos-des-Réas / Rue du Clos-Toumalin / Rue du Clos-Vougeot (45.83283, -74.05424)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7897	Other (At-Grade) Single-Lane	2001	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
St George, UT Washington Co. United States	N Country Ln. / Stonebridge Dr. / W Monterey Dr. (37.11117, -113.62943)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1450	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Riverton, UT Salt Lake Co. United States	S Park Ave. / W Park Ave. (40.51950, -111.94594)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 28.1452	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Brandon, MB Manitoba Canada	Maryland Ave. / Magnolia Dr. (49.81997, -99.94982)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0697	Other (At-Grade) Single-Lane	2001	Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Fleming Island, FL Clay Co. United States	Town Center Blvd. / Radar Rd. (30.09197, -81.71185)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2009	Other (At-Grade) Single-Lane	2001	Elliptical shape. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Coeur D'Alene, ID Kootenai Co. United States	W Hanley Ave. / N Courcelles Pkwy. (47.73020, -116.81799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9366	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Albert Pick Rd. (36.07486, -79.94894)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.8900	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Greensboro, NC Guilford Co. United States	Airpark Rd. / Abert Pick Rd. / Gallimore Dairy Rd. (36.07414, -79.94649)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9250	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Crown Crest Blvd. / Cottonwood Dr. (39.55051, -104.77237)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.6497	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Daniels Gate Dr. / Grigs Rd. (39.48770, -104.91860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7912	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Redhawk Pkwy. / Red Hawk Pl. (38.74510, -90.73630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5341	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
O'Fallon, MO St. Charles Co. United States	Phoenix Pkwy. / Phoenix Dr. / Boardwalk Place Dr. (38.74122, -90.73747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5359	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N 172nd St. / Locust St. (41.28520, -96.18319)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4365	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Elkhorn, NE Douglas Co. United States	Jones St. / S 182nd St. (41.25259, -96.20069)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003).
Omaha, NE Douglas Co. United States	N 21st St. / Charles St. (41.27319, -95.94354)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.5192	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	N 152nd St. / Vane St. (41.32290, -96.15098)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0113	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Collegiate Dr. / Michael Dr. (38.89928, -104.78230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.7308	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Bel Air, MD Harford Co. United States	Moores Mill Rd. / Brushing Ln. (39.54368, -76.32365)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6298	Other (At-Grade) Single-Lane	2001	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Frogtown, MD Harford Co. United States	Mardic Dr. / Willrich Ct. (39.57178, -76.37160)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3011	Other (At-Grade) Single-Lane	2001	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Salt Lake, HI Oahu Co. United States	Ala Napunani St. / Likini St. (21.34596, -157.90180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4727	Other (At-Grade) Single-Lane	2001	Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector 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.
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.
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.
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.
Jessup, MD Howard Co. United States	Canine Rd. / MD 32 EB Ramps (39.10101, -76.76953)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0005	Freeway Ramps (Grade-Separated) Single-Lane	2001	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.