Roundabouts Database Index

29822 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
Redding, CA Shasta Co. United States	Shasta View Dr. / Inspiration Pl. (40.59578, -122.32500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.9026	Other (At-Grade) Single-Lane	2009	In a new school zone Functional Class: Arterial ICD estimated from Google Maps linework.
Corinth, MS Alcorn Co. United States	Harper Rd. / Droke Rd. (34.92347, -88.49539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2010	School 1000' west of roundabout.
Fairfield Township, OH Butler Co. United States	Hamilton Mason Rd. / Liberty Fairfield Rd. (39.37527, -84.48046)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.6219	Other (At-Grade) Single-Lane	2008	Since completion, has reduced accidents by 80%. Replaced two offset T intersections. Previously controlled by two-way stop Functional Class: Major Collector ICD estimated from Google Maps linework.
Grass Valley, CA Nevada Co. United States	E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps (39.22168, -121.05380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2008	Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg.
Morro Bay, CA San Luis Obispo Co. United States	Morro Bay Blvd. / Quintana Rd. (35.36641, -120.84100)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 31.1659	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Ladera Ranch, CA Orange Co. United States	Michael Rd. / Cambridge Ethereal Rd. (33.53294, -117.64460)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.8800	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
San Diego, CA San Diego Co. United States	La Jolla Blvd. / Forward St. (32.81379, -117.26950)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.0827	Other (At-Grade) Single-Lane	2008	Series of 5 roundabouts. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Northwest Ave. / I-5 NB Ramp (48.78500, -122.50420)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.4117	Freeway Ramps (Grade-Separated) Single-Lane	2010	RT bypass lane on southbound approach. ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	I-5 SB Ramps / 2nd St. / Portal Way (48.85686, -122.58840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8616	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
San Diego, CA San Diego Co. United States	La Jolla Hermosa Ave. / Forward St. (32.81402, -117.26840)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.0939	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
San Diego, CA San Diego Co. United States	La Jolla Blvd. / Bird Rock Ave. (32.81559, -117.27060)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.0785	Other (At-Grade) Single-Lane	2008	Series of 5 roundabouts. ICD estimated from Google Maps linework.
San Diego, CA San Diego Co. United States	Bird Rock Ave. / Chelsea Ave. (32.81540, -117.27162)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.7160	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Earth.
Granite Falls, WA Snohomish Co. United States	Granite Falls Access Rd. / Burn Rd. (NE 100th St.) (48.08656, -121.99060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.2954	Other (At-Grade) Single-Lane	2010	November 2010. ICD estimated from Google Maps linework.
Granite Falls, WA Snohomish Co. United States	Granite Falls Access Rd. / Jordan Rd (48.09135, -121.97980)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 55.0445	Other (At-Grade) Single-Lane	2010	November 2010. ICD estimated from Google Maps linework.
Granite Falls, WA Snohomish Co. United States	Granite Falls Access Rd. / SR 92 (48.08332, -121.99000)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.2978	Other (At-Grade) Single-Lane	2010	May 2010. ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA Skagit Co. United States	Knudsen Ln. / Casino Dr. (48.45635, -122.51910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2668	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Mecca, CA Riverside Co. United States	Hammond Rd. / 4th St. (33.57183, -116.07794)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2013	Double-track railroad with at-grade rail crossing on the southwest leg (4th Street) approximately 200 feet from the roundabout. A signalized intersection is located on the opposite side of the at-grade rail crossing approximately 230 feet from the rail crossing. Merging right-turn bypass lane on the southwest leg.
Lexington Park, MD St. Marys Co. United States	Tate Rd. / Shaw Rd. (38.26955, -76.42012)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.8809	Other (At-Grade) Single-Lane	2005	Y-shaped with right-turn bypass lanes. ICD estimated from Google Maps linework.
Sammamish, WA King Co. United States	244th Ave NE / NE 8th St (47.61673, -122.01390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0083	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Sammamish, WA King Co. United States	244th Ave. NE / E Main Dr. (47.60881, -122.01390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.5457	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Wenatchee, WA Chelan Co. United States	Riverside Dr. / 5th St. (47.43215, -120.31267)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.0455	Other (At-Grade) Single-Lane	2009	October 2009. ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 539 / Ten Mile Rd. (48.86968, -122.48580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3503	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 539 / Pole Rd. (48.89152, -122.48560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.1153	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 539 / Wiser Lake Rd. (48.90677, -122.48560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.1009	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Fort Mill, SC York Co. United States	Assembly Dr. / First Baxter Crossing (35.02980, -80.96839)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.7889	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1998-2002). ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Oakridge Rd. / Adios Pass (39.98876, -86.14577)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6024	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Kemptville, ON United Counties of Leeds and Grenville Canada	CR 43 / Pinehill Rd. (45.01836, -75.65872)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0814	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Kemptville, ON United Counties of Leeds and Grenville Canada	CR 43 / (Colonnade entrance) (45.03069, -75.63316)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 43.0473	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Odessa, ON Lennox and Addington Canada	CR 2 / CR 4 (44.26179, -76.77489)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.4898	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Oakridge Rd. / Bennett Rd. (39.99594, -86.14580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.8536	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Baton Rouge, LA East Baton Rouge Par. United States	Lovett Rd. / (Magnolia Square subdivision) (30.52095, -91.03818)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 18.5192	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Anacortes, WA Skagit Co. United States	Pennsylvania Ave. / W 12th St. (48.49817, -122.65669)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2010	Built for the purpose of traffic calming near a residential park area. Concrete-asphalt.
Princeton Junction, NJ Mercer Co. United States	Post Rd. / Alexander Rd. (40.31186, -74.62854)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1429	Other (At-Grade) Single-Lane	2009	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Azusa, CA Los Angeles Co. United States	Sierra Madre Ave. / Vosberg Dr. (34.14674, -117.90260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5835	Other (At-Grade) Single-Lane	2008	Built near a single-family housing project that was previously a large nursery. ICD estimated from Google Maps linework.
Azusa, CA Los Angeles Co. United States	Sierra Madre Ave. / Macneil Dr. (34.14662, -117.89040)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5835	Other (At-Grade) Single-Lane	2008	Built on single-family home project that was previously a large nursery. ICD estimated from Google Maps linework.
Champaign, IL Champaign Co. United States	English Oak Dr. / (unknown) (40.10075, -88.32784)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.3203	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
West Valley, UT Salt Lake Co. United States	Lake Park Blvd. / Daybury Dr. (40.71107, -112.02180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, unspecified)	2008
West Valley, UT Salt Lake Co. United States	Lake Park Blvd. / Highbury Pkwy. (40.71235, -112.01350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 64.0080	Other (At-Grade) Multilane (2 Lane, unspecified)	2008
West Valley, UT Salt Lake Co. United States	Lake Park Blvd. / S 4800 W (40.71236, -112.00900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.5070	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
West Valley, UT Salt Lake Co. United States	Daybury Dr. / Highbury Pkwy. (40.70805, -112.02010)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Single-Lane	2008
West Jordan, UT Salt Lake Co. United States	4800 W / 7600 S (40.61269, -112.00540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8260	Other (At-Grade) Single-Lane	2008	Fourth leg added. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Rome, NY Oneida Co. United States	SR 825 / Ellsworth Rd. (43.21731, -75.41796)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.7044	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Constructed in old air force base. ICD estimated from Google Maps linework.
Corning, NY Steuben Co. United States	Robert Dann Blvd. / Aurene Dr. / Creekside Dr. (42.16506, -77.11484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7216	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Access permits for research and development plant. ICD estimated from Google Maps linework.
San Clemente, CA Orange Co. United States	Calle Las Bolsa / Boca de la Playa (33.43215, -117.63000)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.9244	Other (At-Grade) Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Dover, DE Kent Co. United States	Mifflin Rd. / Woodmill Dr. (39.15527, -75.55831)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2005	Painted splitter islands.
Redmond, WA King Co. United States	Eastridge Dr. NE / 244th Pl. NE (47.68499, -122.01300)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 16.8846	Other (At-Grade) Single-lane w/ Traversable Central Island	2014	Open July 2014. ICD estimated from Google Maps linework.
Cheektowaga, NY Erie Co. United States	Harlem Rd. / Cleveland Dr. (42.94493, -78.78408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5872	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Round Lake, NY Saratoga Co. United States	Rte. 9-Rte. 67 / Round Lake Bypass (42.94849, -73.78979)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.4525	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Lackawanna, NY Erie Co. United States	McKinley Pkwy. / Dorrance Ave. / Vincent Ave. (42.83200, -78.81520)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.6551	Other (At-Grade) Single-Lane	2010	Restriped as single-lane roundabout. ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Bennett Rd. / Monroe Ave. (39.41306, -76.92967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7590	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Westminster, MD Carroll Co. United States	Market St. / Gorsuch Rd. (39.57010, -76.97452)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6987	Other (At-Grade) Single-Lane	2005	Right-turn bypass lanes on SW and SE quadrants. ICD estimated from Google Maps linework.
Waldorf, MD Charles Co. United States	Davis Rd. / (School entrance) (38.63609, -76.97873)	Roundabout Existing	All-Way Yield None	2 Approaches 1 Driveways 33.5852	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Adamstown, MD Frederick Co. United States	Mountville Rd. / Adams Common Dr. (39.30643, -77.47158)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.6482	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	NW 10th St. / Walker Ave. / Classen Dr. (35.47882, -97.52121)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.1499	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	NW 10th St. / Shartel Ave. (35.47876, -97.52561)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.2596	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Hollister, MO Taney Co. United States	Business US 65 / Hwy 76 (36.63511, -93.21339)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 67.0874	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Branson, MO Taney Co. United States	Forsythe Blvd. / Oak Creek Dr. (36.64407, -93.25961)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.7888	Other (At-Grade) Single-Lane	2009	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.
Colorado Springs, CO El Paso Co. United States	Kettle Drum St. / Antelope Ridge Dr. (38.90673, -104.68530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6699	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Gaithersburg, MD Montgomery Co. United States	Kentlands Blvd. / Main St. (39.12333, -77.23855)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x1 max)	1994	Year Completed estimated (1993-2002).
Gaithersburg, MD Montgomery Co. United States	Kentlands Blvd. / Market St. (39.12309, -77.23489)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x1 max)	1994	Year Completed estimated (1993-2002).
Gaithersburg, MD Montgomery Co. United States	Orchard Ridge Dr. / Mill Green Ave. (39.12559, -77.22635)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.9872	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Gaithersburg, MD Montgomery Co. United States	Winter Walk Dr. / Highland Ridge Ave. (39.12807, -77.22692)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.2800	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
Jensen Beach, FL Martin Co. United States	Jensen Beach Blvd. / Candice Ave. / Pineapple Dr. (27.24387, -80.22741)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)	5 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Railroad running through central island. ADT volume of 27000 on five-lane road west leg. Also an evacuation route. High volume FEC freight line.
Jensen Beach, FL Martin Co. United States	SR 707 / Pineapple Dr. / Jensen Beach Causeway (27.25074, -80.22818)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7914	Other (At-Grade) Single-Lane	1999	RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr. (42.50573, -83.75296)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006
Brighton, MI Livingston Co. United States	Village Place Blvd. / Green Oak Ave. (42.50698, -83.75462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Earth.
Ancaster, ON Hamilton Canada	Wilson St. / Meadowbrook Dr. / Hamilton Dr. (43.20797, -80.00224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6911	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Markham, ON York Region Canada	Prospectors Dr. / Angus Glen Blvd. (43.89075, -79.31981)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2641	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
Markham, ON York Region Canada	Prospectors Dr. / The Fairways (43.89400, -79.32079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0985	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), MA Barnstable Co. United States	Rte 6A / Rte 28 (gateway to Cape Cod) (41.74313, -70.58651)	Rotary Existing	All-Way Yield None	0 Approaches 0 Driveways 118.8720	Other (At-Grade) Multilane (2 Lane, unspecified)
Greensboro, NC Guilford Co. United States	Greene St. / McGee St. (36.06852, -79.79192)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.2386	Other (At-Grade) Single-Lane	2006	This is part of a major transformation of Greene Street in Downtown Greensboro. Greene Street is currently 4 lanes one-way and will be converted to 2-way traffic with one lane in each direction and angled parking in the middle of the street separated by a median. Functional Class: Arterial ICD estimated from Google Maps linework.
Concord, CA Contra Costa Co. United States	Landana Dr. / Mulberry Dr. (37.97886, -121.99430)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 16.0041	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Huntington, NY Suffolk Co. United States	Clinton Ave. / Gerard St. (40.87225, -73.42886)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 14.4499	Other (At-Grade) Single-Lane	2002	http://query.nytimes.com/gst/fullpage.html?res=9D04E4DB133DF931A15751C1A9649C8B63 ICD estimated from Google Maps linework.
Metairie Terrace, LA Jefferson Par. United States	Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.) (29.97476, -90.15636)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 107.5965	Other (At-Grade) Unknown		Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework.
Pittsfield Township, MI Washtenaw Co. United States	Campus Pkwy. / Suncrest Dr. / (parking) (42.18764, -83.74729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2002
Pittsfield Township, MI Washtenaw Co. United States	Campus Pkwy. / Community Dr. (42.18982, -83.74387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2002
Meridian Township, MI Ingham Co. United States	Hulett Rd. / Bennett Rd. (42.69739, -84.44709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.9884	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Jessup, MD Anne Arundel Co. United States	MD 198 (Laurel Fort Meade Rd.) / MD 32 EB Ramps (39.08997, -76.75736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2002	Lanes reduced in 2010. 21442
Jackson, MI Jackson Co. United States	4th St. / West Ave. (42.22067, -84.41847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3790	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Between 1999 and 2005. ICD estimated from Google Maps linework.
Orion Township, MI Oakland Co. United States	Baldwin Rd. / Indianwood Rd. / Coats Rd. (42.78413, -83.31979)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0862	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	ICD estimated from Google Maps linework.
Jessup, MD Anne Arundel Co. United States	MD 198 (Laurel Fort Meade Rd.) / MD 32 WB Ramps (39.09178, -76.75688)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2002	Lanes reduced in 2010. 21442
Port St. Lucie, FL St. Lucie Co. United States	SE Westmorelane Blvd. / Gowan Dr. (27.25913, -80.29256)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.5423	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Port St. Lucie, FL St. Lucie Co. United States	SE Westmorelane Blvd. / Bakersfield St. (27.25836, -80.28521)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.7276	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Muskegon Township, MI Muskegon Co. United States	Chesapeake Dr. / Walker Rd. (43.23787, -86.17437)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4138	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Southlake, TX Tarrant Co. United States	E. Continental Blvd. / S. Carroll Ave. (32.92622, -97.12830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Elementary school and city park located on NW corner. Asphalt construction.
Owensboro, KY Daviess Co. United States	KY 56 / KY 81 (37.75357, -87.17403)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6605	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Functional Class: Arterial ICD estimated from Google Maps linework.
Albuquerque, NM Bernalillo Co. United States	8th St. / Central Ave. (35.08526, -106.65660)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.3649	Other (At-Grade) Single-Lane	2007	Transition between downtown Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Frankfort, KY Franklin Co. United States	Cardwell Lane / C. Michael Davenport Blvd. (38.16095, -84.91826)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7458	Other (At-Grade) Single-Lane	2015	Functional Class: Major Collector ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Botulph Rd. / Arroyo Chamiso Rd. / Miguel Chavez Rd. (35.64938, -105.94790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1153	Other (At-Grade) Single-Lane	2002	Urban Compact, Southeast Santa Fe neighborhood Functional Class: Minor Collector ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Zafarano Dr. / San Ignatio Rd. (35.64579, -106.01394)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9988	Other (At-Grade) Single-Lane	2006	Southwest Santa Fe near Lowes Building Supply. ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Richards Ave. / College Dr. (35.60719, -106.00060)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.1017	Other (At-Grade) Single-Lane	2003	Community College District South of I-25 Previously controlled by 2 way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Rufina St. / Zafarano Dr. (35.64938, -106.01476)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 32.0268	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Santa Fe, NM Santa Fe Co. United States	Governor Miles Rd. / (unnamed) (35.62729, -106.01980)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.2110	Other (At-Grade) Single-Lane	2003	South Santa Fe East of Cerrillos Road Functional Class: Minor Collector ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM McKinley Co. United States	SH 30 / I-40 EB Ramps (35.07341, -107.56120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.4897	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Central Oahu Regional Park, HI Oahu Co. United States	Ka Uka Blvd. / Waipio Uka St. (21.41762, -158.00730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1385	Other (At-Grade) Single-Lane	2002	Completed prior to 2006 Construction stage aerial in Google Earth. Functional Class: Park Road 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.
Los Alamos, NM Los Alamos Co. United States	Diamond Dr. / San Ildefonso Rd. (35.89893, -106.29866)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0241	Other (At-Grade) Single-Lane	2008	Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Pearl Harbor Naval Base (Ford Island), HI Oahu Co. United States	Ford Island Blvd. / Saratoga Blvd. (21.36689, -157.95610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.2752	Other (At-Grade) Single-Lane	2006	Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework.
Glenwood Springs, CO Garfield Co. United States	Mel Ray Rd. / I-70 WB Ramps / US 6 (39.56142, -107.36127)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 44.1965	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.