Roundabouts Database Index

30320 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
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.
Topeka, KS Shawnee Co. United States	SW 21st St. / Urish Rd. (39.02899, -95.78088)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1005	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Completed November 2008. ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Regional District Canada	16th Ave. / Westbrook Mall (49.25575, -123.23630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0940	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	On campus of University of British Columbia. Functional Class: Arterial 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.
Cabazon, CA Riverside Co. United States	Apache Trl. / I-10 EB Ramps (33.92071, -116.80680)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	3 Approaches 0 Driveways 54.5087	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2008	Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity. ICD estimated from Google Maps linework.
Cabazon, CA Riverside Co. United States	Apache Trl. / Thunder Rd. / Seminole Dr. / I-10 WB Ramps (33.92192, -116.80610)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 79.2480	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2008	Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html.
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.
Riverton, KS Cherokee Co. United States	US 69 Alt / K-66 / Beasley Rd. (37.07561, -94.71608)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.1730	Other (At-Grade) Single-Lane	2008	Opened December 2008. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	McDonald Dr. / I-70 WB Ramps (38.99075, -95.25724)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 66.8368	Freeway Ramps (Grade-Separated) Single-Lane	2008	Opened November 2008. Replaced trumpet interchange. 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.
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.
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.
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	La Jolla Blvd. / Camino de la Costa (32.81756, -117.27190)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.0854	Other (At-Grade) Single-Lane	2008	Series of 5 roundabouts. ICD estimated from Google Maps linework.
Orange, CA Orange Co. United States	Riverbend Pkwy. / Shadyvale St. (33.83915, -117.85510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7445	Other (At-Grade) Single-Lane	2008	Functional Class: Local ICD estimated from Google Maps linework.
Colonie, NY Albany Co. United States	Sand Creek Rd. / Colonie Ct. (42.71318, -73.80853)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3670	Other (At-Grade) Single-Lane	2008	4 legs, one for planned future road. Completion year of 2008 is approximate. Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Emporia, KS Lyon Co. United States	(connector to US 50) / I-35 Ramps (38.41494, -96.22918)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 97.5360	Freeway Ramps (Grade-Separated) Single-Lane	2008	New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008.
Emporia, KS Lyon Co. United States	US 50 / (connector to I-35) (38.41225, -96.22947)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 79.2480	Other (At-Grade) Single-Lane	2008	New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442
Fullerton, CA Orange Co. United States	Valencia Mesa Dr. / Laguna Rd. (33.89254, -117.92960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.8365	Other (At-Grade) Single-Lane	2008	Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
La Quinta, CA Riverside Co. United States	Seeley Dr. / (unknown) (33.72054, -116.29200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.8083	Other (At-Grade) Single-Lane	2008	Functional Class: Collector ICD estimated from Google Maps linework.
Lenexa, KS Johnson Co. United States	95th St. / Monticello Rd. (38.95639, -94.84403)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.1496	Other (At-Grade) Single-Lane	2008	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Merriam, KS Johnson Co. United States	Carter St. / Turkey Creek Dr. (39.00353, -94.69585)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7718	Other (At-Grade) Single-Lane	2008	Built for new development. ICD estimated from Google Maps linework.
Noblesville, IN Hamilton Co. United States	Harrell Pkwy. / Cabela Pkwy. (39.99230, -85.93597)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9404	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
(unincorporated), AB Rocky View Canada	Hwy 8 / Hwy 22 (51.02355, -114.46660)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 61.6012	Other (At-Grade) Single-Lane	2008	Rural. Asphalt surface. http://www.infratrans.gov.ab.ca/ Previously controlled by one-way stop Functional Class: Provincial Hwy ICD estimated from Google Maps linework.
Bountiful, UT Davis Co. United States	Main St. / 1500 South / 200 West (40.87477, -111.88570)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 27.9955	Other (At-Grade) Single-Lane	2008	Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework.
Howard, WI Brown Co. United States	Glendale Ave. / Evergreen Ave. (44.57615, -88.11939)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9252	Other (At-Grade) Single-Lane	2008	Opened November 2008. ICD estimated from Google Maps linework.
Waynesville, NC Haywood Co. United States	Hyatt Creek Rd. / US 23-US 74 SB Ramps (35.46494, -83.01322)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.1551	Freeway Ramps (Grade-Separated) Single-Lane	2008	ICD estimated from Google Maps linework.
Vancouver, WA Clark Co. United States	NE 137th Ave. / NE 49th St. (45.65733, -122.53190)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 40.0691	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Opened January 2008. ICD estimated from Google Maps linework.
Clarksville, MD Howard Co. United States	Brighton Dam Rd. / Ten Oaks Rd. (39.20491, -76.95455)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 35.1680	Other (At-Grade) Single-Lane	2008	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.
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.
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	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
Knoxville, TN Knox Co. United States	Concord Rd. / Northshore Dr. (35.86081, -84.14137)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.9098	Other (At-Grade) Single-Lane	2008	http://www.knoxnews.com/news/2008/feb/20/countys-first-roundabout-opened-concord-northshore/ ICD estimated from Google Maps linework.
Sheridan, CO Arapahoe Co. United States	River Point Pkwy. / S Platte River Dr. (39.65176, -105.01060)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 46.8975	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Sheridan, CO Arapahoe Co. United States	River Point Pkwy. / S River Point Dr. (39.64776, -105.00790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.6590	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Clackamas, OR Clackamas Co. United States	SE 157th Ave. / SE 162nd Ave. (45.42429, -122.49770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8826	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Newtown, PA Delaware Co. United States	Saint David's Rd. / N. Newtown St. (40.00844, -75.41823)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7622	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Peach Bottom, PA York Co. United States	SR 851 / SR 74 (39.74695, -76.33116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7316	Other (At-Grade) Single-Lane	2008	Skewed intersection. ICD estimated from Google Maps linework.
Bellevue, WI Brown Co. United States	Eaton Rd. (CTH JJ) / Ontario Rd. (44.46616, -87.92782)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6846	Other (At-Grade) Single-Lane	2008	Opened November 2008. ICD estimated from Google Maps linework.
Ankeny, IA Polk Co. United States	NW 5th St. / Abbie Dr. (41.73569, -93.66248)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0634	Other (At-Grade) Single-Lane	2008	In new residential development. Functional Class: Local ICD estimated from Google Maps linework.
Brandon, MB Westman Region Canada	34th St. / Richmond Ave. (49.82758, -99.98465)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.6702	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Daingerfield, TX Morris Co. United States	Webb St. / Jefferson St. / Coffey St. / Linda Dr. (33.03180, -94.72192)	Roundabout Existing	Unknown At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2008	Railroad crossing through central island. Replaced two T-intersections.
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.
Youngsville, LA Lafayette Par. United States	LA 89 / Chemin Metairie Pkwy. (30.08441, -91.99059)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.2372	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Youngsville, LA Lafayette Par. United States	LA 92 / Chemin Metairie Pkwy. (30.10922, -92.01561)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.2276	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Glen Burnie, MD Anne Arundel Co. United States	George Clausse Blvd. / (parking access) (39.14768, -76.64935)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3442	Other (At-Grade) Single-Lane	2008	RT lanes on eastbound and northbound approaches. Part of shopping center. ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	E 151st St. / Market Center Dr. (40.00750, -86.09196)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2008
Carmel, IN Hamilton Co. United States	E 106th St. / Pennsylvania St. (39.94167, -86.15559)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2008	Yield-controlled right-turn bypass lane on west leg. Painted spirals next to central island.
Carmel, IN Hamilton Co. United States	N. Rangeline Rd. / 8th St. (39.98565, -86.12726)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.3681	Other (At-Grade) Single-Lane	2008	Centerline shifted to west to avoid cemetary. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Towne Rd. / W 141st St. (39.99182, -86.20277)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	Painted spirals next to central island.
Roseville, CA Placer Co. United States	Reserve Dr. / Fountains Driveway (38.76793, -121.27090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1106	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Roseville, CA Placer Co. United States	Reserve Dr. / Diamond Oaks Rd. (38.76679, -121.27120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7990	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Roseville, CA Placer Co. United States	Parkside Way / McCloud Way (38.79916, -121.33110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0623	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W 116th St. / Clay Center Rd. (39.95604, -86.17889)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1974	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Coffee Rd. / Claratina Ave. (37.69985, -120.97630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1294	Other (At-Grade) Single-Lane	2008	Interim configuration ICD estimated from Google Maps linework.
Cheyenne, WY Laramie Co. United States	Snyder Ave. / Allison Rd. (41.11004, -104.81910)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 27.8958	Other (At-Grade) Single-Lane	2008	South High School is on south leg. Functional Class: Collector 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.
Azusa, CA Los Angeles Co. United States	The Promenade / (unknown) (34.13805, -117.89310)	Other Existing	Unknown None	3 Approaches 0 Driveways 34.5986	Other (At-Grade) Single-Lane	2008	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.
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.
Cheektowaga, NY Erie Co. United States	Harlem Rd. / Kensington Rd. / Lexington Ter. (42.95023, -78.78391)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.7223	Other (At-Grade) Single-Lane	2008	Closely spaced roundabouts 100 feet apart. ICD estimated from Google Maps linework.
Cheektowaga, NY Erie Co. United States	Harlem Rd. / Kensington Rd. / Wehrle Dr. (42.94968, -78.78409)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.0870	Other (At-Grade) Single-Lane	2008	Closely spaced roundabouts 100 feet apart. ICD estimated from Google Maps linework.
Latham, NY Albany Co. United States	Old Wolf Rd. / Old Niskayuna Rd. (42.73882, -73.79072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8241	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Cheyenne, WY Laramie Co. United States	H.R. Ranch Rd. / Judy Lee Dr. (41.12408, -104.73770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.6892	Other (At-Grade) Single-Lane	2008	Functional Class: Collector ICD estimated from Google Maps linework.
Poughkeepsie, NY Dutchess Co. United States	Rte 376 / Collegeview Ave. (41.69179, -73.90046)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3227	Other (At-Grade) Single-Lane	2008	Near Vassar College ICD estimated from Google Maps linework.
Gig Harbor, WA Thurston Co. United States	Harbor Hill Dr. / (parking) (47.35845, -122.60116)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	January 2008.
Auburn, WA King Co. United States	124 Ave. SE / SE 304th St. (47.32978, -122.17640)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1891	Other (At-Grade) Single-Lane	2008	July 2008. ICD estimated from Google Maps linework.
Covington, WA King Co. United States	168th Pl. SE / Fred Meyer Entrance (47.35698, -122.11680)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 105.1794	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	November 2008. Entrance into Fred Meyer shopping center. ICD estimated from Google Maps linework.
Covington, WA King Co. United States	168th Pl. SE / Costco Entrance (47.35463, -122.11860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6463	Other (At-Grade) Single-Lane	2008	November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework.
Covington, WA King Co. United States	SE Wax Rd. / 180th Ave. SE / SE 267th Pl. (47.36216, -122.10200)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 53.3935	Other (At-Grade) Single-Lane	2008	September 2008. ICD estimated from Google Maps linework.
Burlington, WA Skagit Co. United States	N Burlington Blvd. / (parking) (48.48060, -122.33544)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	October 2008. Entrance to high school.
Walla Walla, WA Walla Walla Co. United States	Myra Rd. / W Pine St. / Heritage Rd. (46.06841, -118.36972)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	December 2008.
Selah, WA Yakima Co. United States	Gore Rd. / Selah Loop Rd. (46.67943, -120.53061)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2008	August 2008. Replaced triangle intersection.
Snoqualmie, WA King Co. United States	North Bend Way / (Snoqualmie Casino entrance) (47.51671, -121.84100)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2008	Through bypass lane on west leg. October 2008. ICD estimated from Google Maps linework.
North Bend, WA King Co. United States	E North Bend Way / SE Cedar Falls Way / (parking) (47.49096, -121.77876)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2008	August 2008.
Renton, WA King Co. United States	N 10th St. / N 10th Pl. (47.49781, -122.20468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2008	June 2008.
Coronado, CA San Diego Co. United States	Pomona Ave. / 7th St. / Adella Ave. (32.68808, -117.17250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2008	Installed initially as temporary construction with no landscaping in 2008. Made permanent in 2014.
Riverbank, CA Stanislaus Co. United States	Antique Rose Way / Novi Dr. (37.72203, -120.95680)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 85.0230	Other (At-Grade) Single-Lane	2008	Small diameter, no splitter islands, near park. ICD estimated from Google Maps linework.
Riverbank, CA Stanislaus Co. United States	Antique Rose Way / Gallery Dr. (37.71997, -120.95630)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 62.3519	Other (At-Grade) Single-Lane	2008	Small diameter, no splitter islands, residential ICD estimated from Google Maps linework.
Pleasanton, CA Alameda Co. United States	Pleasanton Ave. / (park access #1) (37.65266, -121.88980)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2008
Pleasanton, CA Alameda Co. United States	Pleasanton Ave. / (park access #2) (37.65350, -121.88784)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2008	Painted splitter island on north leg.
Lincoln, NE Lancaster Co. United States	S 4th St. / Amaranth Ln. (40.74483, -96.72683)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.2426	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Windmill Dr. / N 83rd St. (40.83957, -96.60736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane.
New Prague, MN Scott Co. United States	STH 19 / Chalupsky Ave SE (44.54351, -93.55634)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.3049	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
New Prague, MN Scott Co. United States	STH 19 / Alton Ave. (44.54351, -93.55305)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9000	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.