Roundabouts Database Index

29411 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Montana City, MT Lewis and Clark Co. United States	SR 282 / Jackson Creek Rd. (46.54082, -111.94824)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2007	Opened October 2007.
Helena, MT Lewis and Clark Co. United States	Saddle Dr. / Colonial Dr. (46.57319, -111.97703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1246	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Missoula, MT Missoula Co. United States	Union Pacific St. / O'Leary St. / Clark Fork Ln. (46.88880, -114.04560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2003
Gatineau, QC Outaouais Region Canada	Rte. 148 / Rue des Laurentides (45.52187, -75.49563)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 23.4301	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Amos, QC Abitibi-Témiscamingue Region Canada	Rue de l'Aeroport / Rue Principale (48.56037, -78.11145)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.1692	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Boulevard de la Morille / Boulevard Robert Bourassa (46.83900, -71.31117)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7642	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Oromocto, NB Sunbury Canada	Restigouche Rd. / Miramichi Rd. (45.83573, -66.48306)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 64.9046	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Miramichi, NB Northumberland Canada	Rte 8 Bypass / Rte 430 (47.00483, -65.59289)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 40.0000	Other (At-Grade) Single-Lane	2006
Lee's Summit, MO Jackson Co. United States	Bridlewood Dr. / Lewis Dr. (38.91375, -94.44021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2007
Burnaby, BC Greater Vancouver Regional District Canada	East Campus Rd. / University Dr. E (49.27628, -122.90450)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2003	On the Simon Fraser University campus. Year Completed estimated (2002-2004).
Calgary, AB Calgary Region Canada	Springbank Blvd. / Spring Mews (51.01849, -114.19630)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	1998
Yorkton, SK N/A Canada	Bradbrooke Dr. / Gladstone Ave. / King St. / Winchester St. (51.20293, -102.47442)	Roundabout Existing	All-Way Yield Other	0 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2007	At-grade rail crossing on east leg (crossbucks only, no active devices). Year Completed estimated (2004-2009).
Camrose, AB Central Alberta Canada	Valleyview Dr. / 28 Ave. (52.99531, -112.83900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5045	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Camrose, AB Central Alberta Canada	73 St. / 45 Ave. (53.01372, -112.86572)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2005	No splitter islands.
Edmonton, AB Edmonton Capital Region Canada	145 St. NW / 146 St. NW / 96 Ave. NW (53.53242, -113.57270)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 26.9751	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	Springbank Blvd. / Springbank Dr. (51.01912, -114.20230)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
North Saanich, BC Capital Regional District Canada	Willington Rd. / E. Saanich Rd. (48.63520, -123.42030)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9387	Other (At-Grade) Single-Lane	2005	http://www.icbc.com/road_safety/pdf/vancouver%20island/north%20saanich.pdf ICD estimated from Google Maps linework.
North Cowichan, BC Cowichan Valley Regional District Canada	Lakes Rd. / Beverley Rd. (48.78476, -123.68480)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.9034	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
North Cowichan, BC Cowichan Valley Regional District Canada	Chemainus Rd. / Henry Rd. (48.91472, -123.71340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8258	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
North Cowichan, BC Cowichan Valley Regional District Canada	Tzouhalem Rd. / Maple Bay Rd. (48.78071, -123.67160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1188	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
North Cowichan, BC Cowichan Valley Regional District Canada	Sherman Rd. / Cowichan Lake Rd. (48.79214, -123.73620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.4726	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Kelowna, BC Central Okanogan Canada	Burtch Rd. / Byrns Rd. (49.87102, -119.46580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1717	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Kelowna, BC Central Okanogan Canada	Swamp Rd. / Casorso Rd. (49.84534, -119.46640)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.1050	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Kelowna, BC Central Okanogan Canada	Benvoulin Rd. / Casorso Rd. (49.84882, -119.46910)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.1952	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Surrey, BC Greater Vancouver Regional District Canada	King George Hwy / 14th St. (Ave.?) (49.02746, -122.77110)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.7585	Other (At-Grade) Single-Lane	2007	http://www.icbc.com/road_safety/road_improve_pu/surrey.asp ICD estimated from Google Maps linework.
Allen, TX Collin Co. United States	N Allen Dr. / St. Mary Dr. (33.10674, -96.67113)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2006	.
Denton, TX Denton Co. United States	Wheeler Ridge Dr. / Breton Dr. (33.15462, -97.10275)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.8630	Other (At-Grade) Single-Lane	2005	.
Rowlett, TX Dallas Co. United States	Main St. / Coyle St. / Skyline Dr. (32.90316, -96.56289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2006	.
Great Neck, NY Nassau Co. United States	Barstow Rd. / South Station Pl. (40.78735, -73.72462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.6068	Other (At-Grade) Single-Lane	2003	High pedestrian activitiy associated with commuter rail station below the roundabout. ICD estimated from Google Maps linework.
Pemberton, BC Pemberton Valley Canada	Portage Rd. / Aspen Blvd. (50.32201, -122.80508)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane
Casa Grande, AZ Pinal Co. United States	N. Pottebaum Ave. / E. Anna Dr. (32.88727, -111.72700)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 24.0702	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Casa Grande, AZ Pinal Co. United States	N. Pottebaum Ave. / E. Manor Dr. (32.88863, -111.72680)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 20.0582	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	E. 17th St. / New Hampshire St. (38.95364, -95.23475)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.0029	Other (At-Grade) Single-Lane	2005	Year Completed estimated (fuzzy aerial photos). ICD estimated from Google Maps linework.
Rio Puerco, NM Bernalillo Co. United States	Central Ave. / I-40 EB Ramps (35.03048, -106.94750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 68.4580	Freeway Ramps (Grade-Separated) Single-Lane	2008	Owned by New Mexico DOT. Previously controlled by stop control ICD estimated from Google Maps linework.
Forest Hill, MD Harford Co. United States	MD 23 / Commerce Rd. (39.57390, -76.37067)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2008	On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route.
Pearl City, HI Oahu Co. United States	Kuahaka St. / Kalauipo St. (21.41052, -157.96720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.4619	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Pearl City, HI Oahu Co. United States	Kuahaka St. / Kaweloka St. (21.40495, -157.97320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.7912	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Kailua, HI Oahu Co. United States	Ulupuni St. / Uluhala St. (21.37803, -157.75590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.5702	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Pukalani, HI Maui Co. United States	Kupaoa St. / Ohiaku St. (20.82094, -156.33001)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2005
Lihue, HI Kauai Co. United States	Pikake St. / Kauila St. / Makaa St. (21.96538, -159.37974)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2006
Sacramento, CA Sacramento Co. United States	Rush River Dr. / Windbridge Dr. (38.48465, -121.53360)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 32.7212	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Silva Ranch Way / (unknown) (38.47686, -121.52680)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 61.7094	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Coleman Ranch Way / (unknown) (38.47739, -121.52340)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 139.3127	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
West Fargo, ND Cass Co. United States	CR 17 / 52nd Ave S. (46.80409, -96.90268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.5982	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Neenah, WI Winnebago Co. United States	Co. Hwy. PP / Jacobsen Rd. / American Dr. (44.21429, -88.47825)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8167	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
San Diego, CA San Diego Co. United States	Sea Ridge Dr. / Chelsea St. (32.80875, -117.26520)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0801	Other (At-Grade) Single-Lane	2007	Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework.
West Haven, CT New Haven Co. United States	Rte 162 (Jones Hill Rd.) / SR 705 (Ocean Avenue) (41.23624, -72.98605)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8421	Other (At-Grade) Single-Lane	2007	Opened fall 2007. Connecticut DOT project. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Burnside, AZ Apache Co. United States	US 191 / AZ 264 (35.75473, -109.62710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2009	Right-turn bypass lane. Elliptical shaped. ICE = 180 ft x 160 ft.
Flagstaff, AZ Coconino Co. United States	Dodge Ave. / Railhead Ave. (35.22522, -111.57000)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.0498	Other (At-Grade) Single-Lane	2007	By developer. ICD estimated from Google Maps linework.
Howard, WI Brown Co. United States	Riverdale Dr. (CTH J) / CTH RK (44.54785, -88.10120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.4509	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Flagstaff, AZ Coconino Co. United States	Pine Cliff Dr. / Gemini Dr. (35.20808, -111.63541)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2008	By developer.
Flagstaff, AZ Coconino Co. United States	S Woody Mountain Rd. / W Presidio Dr. (35.18308, -111.69266)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Ferguson Ave. (45.70024, -111.09310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Annie St. (45.68916, -111.11383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Cascade St. / Kimball Ave. (45.68162, -111.09510)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 19.1915	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Cascade St. / Clifden Dr. (45.68115, -111.09950)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 19.1916	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Kalispell, MT Flathead Co. United States	(shopping center entrance) / (parking lot) (48.23521, -114.33170)	Other Existing	Uncontrolled Unknown	0 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2005
Bloomington, IN Monroe Co. United States	W Tapp Rd. / S Adams St. (39.13650, -86.55431)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.4967	Other (At-Grade) Single-Lane	2008	No truck apron and wide circulatory roadway. ICD estimated from Google Maps linework.
West Lafayette, IN Tippicanoe Co. United States	McClure Ave. / Win Hentschel Blvd. (40.46592, -86.92810)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.0613	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W. 136th St. / Ditch Rd. (39.98478, -86.18355)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2650	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W. 141st St. / Ditch Rd. (39.99198, -86.18353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6006	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W. 141st St. / Springmill Rd. (39.99215, -86.16481)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.5156	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Valparaiso, IN Porter Co. United States	Laporte Ave. / Sturdy Rd. (41.46645, -87.03669)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2008	Right-turn-only lanes on west, east, and south legs.
Kokomo, IN Howard Co. United States	Center Rd. / Webster St. (40.43313, -86.13661)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.9995	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Des Moines, IA Polk Co. United States	Gannett Ave. / Rittenhouse St. (41.52031, -93.65178)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 41.1341	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Altoona, IA Polk Co. United States	10th Ave. SE / 15th St. SE (41.63733, -93.45121)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane	2024	No splitter islands. Opened December 16, 2005. Circle replaced with a 4-way stop in 2024. https://www.altoona-iowa.com/news_detail_T2_R153.php
(unincorporated), IA Blackhawk Co. United States	Independence Ave. (IA 281) / Raymond Rd. (V49) (42.49790, -92.21953)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7456	Other (At-Grade) Single-Lane	2008	Opened Octboer 29, 2008. First roundabout in Iowa with 55mph approaches. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Cedar Falls, IA Blackhawk Co. United States	Cedar Heights Dr. / Viking Rd. (42.48899, -92.41638)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2007	Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007.
Clive, IA Dallas Co. United States	Berkshire Pkwy. / Sheridan Ave. (41.61697, -93.84561)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.5370	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Clive, IA Dallas Co. United States	Berkshire Pkwy. / Boston Pkwy. (41.62153, -93.84657)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3558	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	Holiday Rd. / Corridor Way (41.69709, -91.60332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3202	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Ottumwa, IA Wapello Co. United States	US 34 / US 63 (41.00102, -92.40453)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.3638	Other (At-Grade) Single-Lane	2006	Opened November 2006. Right turn bypass lanes on all approaches. ICD estimated from Google Maps linework.
Urbandale, IA Dallas Co. United States	142nd St. / Douglas Pkwy. (41.62940, -93.80899)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6355	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	Shiloh Crossing Blvd. / Olympic Blvd. (45.75216, -108.61570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1677	Other (At-Grade) Single-Lane	2009	Functional Class: Local ICD estimated from Google Maps linework.
West Des Moines, IA Dallas Co. United States	Wistful Vista Dr. / S. 79th St. (41.56572, -93.81668)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6372	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	Old Taylor Rd. / University of Miss. Access Rd. (34.35899, -89.53144)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.5641	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	Lamar St. / US 278 EB Ramps (34.35343, -89.52121)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 33.5242	Other (At-Grade) Single-Lane	2007	Built June-July 2007. ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	Lamar St. / US 278 WB Ramps (34.35479, -89.52112)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.4676	Other (At-Grade) Single-Lane	2007	Built June-July 2007. ICD estimated from Google Maps linework.
Laurel, MS Jones Co. United States	Central Ave. / Maple St. (31.69108, -89.12855)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4224	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Waco, TX McLennan Co. United States	Austin Ave. / 29th St. (31.53724, -97.15418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-Lane	2009	News story at http://www.kcendt.com/?p=11617, Photos at http://www.waco-texas.com/photo-gallery/index22.htm.
Clearwater, FL Pinellas Co. United States	Rainbow Dr. / Comet Ave. (27.96245, -82.75652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0979	Other (At-Grade) Single-Lane	2009	Opened May 2009. Functional Class: Local ICD estimated from Google Maps linework.
Epsom, NH Merrimack Co. United States	US 4-US 202 (Dover Rd.) / Rte 28 (Suncock Valley Hwy.) (43.22784, -71.36053)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 91.4400	Other (At-Grade) Single-Lane	1940	Elliptical shaped. ICD = 300 ft x 260 ft.
Rye, NH Rockingham Co. United States	Foyes Corner: Rte 1A (Pioneer Rd. - Sagamore Rd.) / Elwin Rd. / Sagamore Rd. (43.04597, -70.74656)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2007
Portland, OR Multnomah Co. United States	SE 56th Ave. / SE Woodward St. (45.50140, -122.60500)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 43.5289	Other (At-Grade) Single-Lane	1988	Completed 10/27/1998. ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 58th Ave. / SE Woodward St. (45.50140, -122.60310)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	1988	Completed 10/27/1998.
Hamburg, NY Erie Co. United States	US 62 (E Main St.) / Center St. (42.71622, -78.83438)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 23.6925	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	US 62 (E Main St.) / Buffalo St. (42.71581, -78.82941)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.3452	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
East Helena, MT Lewis and Clark Co. United States	Canyon Ferry Rd. / Lake Helena Dr. (46.61710, -111.89391)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2009
Tigard, OR Washington Co. United States	SW Barrows Rd. / SW Roshak Rd. / (parking lot) (45.42692, -122.84486)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.4989	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Miekle Ave. / Galvin Way (38.65156, -121.73590)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.1162	Other (At-Grade) Single-Lane	2006	Previously controlled by new ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	E Broad St. / Lower Fayetteville Rd. / Greison Trl. / E Newman Rd. (33.36807, -84.77920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2008	Opened Oct. 28, 2008. $520,838 construction cost.
Lawrenceville, GA Gwinnett Co. United States	Arnold Rd. / Hutchins Rd. (33.90213, -84.05066)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.6775	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Conyers, GA Rockdale Co. United States	Travis St. / Hardin St. / Okelly St. (33.66432, -84.01964)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.8629	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Junction City, KS Geary Co. United States	US 40 Business (Washington St.) / I-70 WB Ramps / Goldenbelt Blvd. (39.00839, -96.83505)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2006	Completed July 2006.
Junction City, KS Geary Co. United States	East St. / E Chestnut St. / Frontage Rd. / I-70 WB Exit Ramp (39.02176, -96.81661)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 64.0077	Other (At-Grade) Single-Lane	2008	Completed November 2008 (?).
Hutchinson, KS Reno Co. United States	E 56th Ave. / N Plum St. (38.11560, -97.92245)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2009	Completed September 2009.
Lawrence, KS Douglas Co. United States	N Kasold Dr. / Tillerman Dr. (38.99010, -95.27911)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Opened October 2007.
Lawrence, KS Douglas Co. United States	N Kasold Dr. / Grand Vista Dr. (38.99325, -95.27913)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Opened October 2007.
Waco, TX McLennan Co. United States	Crosslake Pkwy. / Legend Lake Pkwy. (31.49100, -97.15920)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2006	Major internal street intersection for a 159-acre tract (74.5 acres of this is Hospital and Medical complex).