Roundabouts Database Index

28782 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
Kitchener, ON Waterloo Regional Municipality Canada	Fischer-Hallman Rd. / Huron Rd. (43.38225, -80.48878)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Single-Lane	2007
Kitchener, ON Waterloo Regional Municipality Canada	Fischer-Hallman Rd. / Seabrook Dr. (43.38706, -80.49034)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.0946	Other (At-Grade) Single-Lane	2007	Sized as double-lane but striped as single-lane with yellow spiral hatching next to truck apron. ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Courtway Dr. / Siebenmorgan Rd. (35.09868, -92.41469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0634	Other (At-Grade) Single-Lane	2007	Schools located within one block on three of four approaches Functional Class: Collector ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Bruce St. / Farris Rd. (35.08129, -92.46307)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.0719	Other (At-Grade) Single-Lane	2008	Adjacent to University of Central Arkansas Campus and Sports Venues. Functional Class: Arterial ICD estimated from Google Maps linework.
Coralville, IA Johnson Co. United States	12th Ave. / Forevergreen Rd. (41.72284, -91.59520)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.9823	Other (At-Grade) Single-Lane	2005	http://www.coralville.org/mod/press/documents/12th%20Ave%2011-18-05.pdf. Opened November 16, 2005. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	131st St. / Oakridge St. (39.98528, -86.14577)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6042	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Minden, NV Douglas Co. United States	Hwy 88 / County Rd. / Mahogany Rd. (38.95578, -119.77936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9337	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Northtowne Ln. / Wal-Mart entrance (39.55531, -119.78230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3085	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Wells Ave. / Regency Way (39.50890, -119.80320)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.4866	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Brandon, MB Westman Region Canada	34th St. / Willowdale Crescent (49.83122, -99.98436)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9788	Other (At-Grade) Single-Lane	2002	Before 2004. ICD estimated from Google Maps linework.
Fargo, ND Cass Co. United States	38th Ave. S / Village Ln. (46.81955, -96.86532)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.7874	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Ellijay, GA Gilmer Co. United States	River St. / Dalton St. / Main St. (34.69513, -84.48260)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways 38.2967	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Houston, TX Harris Co. United States	Meadowglen Ln. / Seagler Rd. (29.73162, -95.55486)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2005
Winnipeg, MB Winnipeg Capital Region Canada	Shorehill Dr. / Bridgetown Dr. (49.82256, -97.07655)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9854	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Winnipeg, MB Winnipeg Capital Region Canada	Shorehill Dr. / (unknown #2) (49.82688, -97.07213)	Roundabout Existing	All-Way Yield None	0 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2006
Chattanooga, TN Hamiltion Co. United States	Igou Gap Rd. / Clearview Dr. / (residential driveway) (35.02494, -85.15220)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4070	Other (At-Grade) Single-Lane	2006	driveway from single family residence has a full approach on the north side Previously controlled by stop sign Functional Class: Local ICD estimated from Google Maps linework.
Chattanooga, TN Hamilton Co. United States	Goodwin Rd. / (East Brainerd Elementary School driveway) (35.02699, -85.14712)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.3624	Other (At-Grade) Single-Lane	2014	Proposed replacement of cloverleaf ramps with diamond ramps on SR 153 and two multi-lane roundabouts on Hixson Pike. Currently high accident area due to weaving, lack of merge areas, and nearby signals. ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Princess Ave. / Rockcliffe Pkwy. (45.44599, -75.68909)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.4647	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Beaulieu Pl. / Villeneuve Private (45.42574, -75.62828)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.1173	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Beauparc Private / Villeneuve Private (45.42353, -75.62725)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.6328	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Jockvale Rd. / Fable St. / Weybridge Dr. (45.27378, -75.76441)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 32.7784	Other (At-Grade) Single-Lane	2007	Functional Class: Major Collector ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Huntmar Rd. / Rosehill Ave. (45.28658, -75.91740)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4516	Other (At-Grade) Single-Lane	2007	Functional Class: Major Collector ICD estimated from Google Maps linework.
Clearwater, FL Pinellas Co. United States	Fairmont Ave. / Fulton St. (27.98243, -82.79311)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008	Opened May 2008.
Clearwater, FL Pinellas Co. United States	Ridgewood St. / Richards Ave. (27.97013, -82.76930)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 34.8091	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Clearwater, FL Pinellas Co. United States	Ridgewood St. / Baker Ave. (27.97012, -82.76842)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 48.5218	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Clearwater, FL Pinellas Co. United States	Ridgewood St. / Casler Ave. (27.97013, -82.76752)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2002
Clearwater, FL Pinellas Co. United States	Richards Ave. / Baker Ave. / Casler Ave. (27.96847, -82.76841)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2002
Clearwater, FL Pinellas Co. United States	Palmetto St. / MLK Ave. (N Greenwood Ave.) (27.97542, -82.79176)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2004
Clearwater, FL Pinellas Co. United States	Cleveland St. / Lake Dr. (27.96550, -82.77112)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2008
Clearwater, FL Pinellas Co. United States	Cleveland St. / Corona Ave. (27.96546, -82.75991)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2008
Clearwater, FL Pinellas Co. United States	Cleveland St. / Saturn Ave. (27.96544, -82.76489)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2008
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)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 58.0190	Other (At-Grade) Single-Lane	2005	Opened December 16, 2005. ICD estimated from Google Maps linework.
(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.