Roundabouts Database Index

29948 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
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / Leanne Ave. (47.10454, -119.27060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4597	Other (At-Grade) Single-Lane	2001	Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
Richland, WA Benton Co. United States	Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl. (46.23893, -119.24546)	Roundabout Existing	All-Way Yield Metering Signal	5 Approaches 0 Driveways 49.5635	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442
Rising Sun, MD Cecil Co. United States	MD 273 (Rising Sun Rd.) / MD 276 (Jacob Tome Memorial Hwy.) (39.69595, -76.08018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.5157	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Urbana, MD Frederick Co. United States	MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd. (39.32467, -77.34974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.6619	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Rural ICD estimated from Google Maps linework.
Bel Air, MD Harford Co. United States	MD 7 / Holly Oaks Drive (39.48848, -76.21669)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1039	Other (At-Grade) Single-Lane	1999	Opened September 1999. ICD estimated from Google Maps linework.
North Harford, MD Harford Co. United States	MD 165 / MD 24 (39.67220, -76.40930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1750	Other (At-Grade) Single-Lane	2000	Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. 104th St. / E. Cholla St. (33.58976, -111.85660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.8878	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	MD 216 / US 29 SB Ramps (39.14562, -76.90418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7228	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Series of 4 roundabouts. ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	MD 216 / US 29 NB Ramps / Ice Crystal Dr. (39.14476, -76.89799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7234	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Series of 4 roundabouts. ICD estimated from Google Maps linework.
Millington, MD Kent Co. United States	MD 291 / US 301 SB Ramps (39.26463, -75.86641)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.4393	Freeway Ramps (Grade-Separated) Single-Lane	1999	Opened August 1999. ICD estimated from Google Maps linework.
Millington, MD Kent Co. United States	MD 291 / US 301 NB Ramps (39.26386, -75.86260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.6656	Freeway Ramps (Grade-Separated) Single-Lane	1999	Opened August 1999. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N 70th Pl. / E Chaparral Rd. (33.50954, -111.92900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2016	A traffic calming circle was completed in 2002 on what was otherwise a TWSC intersection. Roundabout constructed in 2016. On south leg there is no entry into the roundabout but instead a yield-controlled right-turn bypass lane to prevent northbound-to-westbound cut-through traffic.
Oak Grove, MD Prince Georges Co. United States	MD 193 (Watkins Park Dr.) / Oak Grove Rd. (38.87737, -76.78108)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1207	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Temple Hills, MD Prince Georges Co. United States	MD 637 (Naylor Rd.) / Good Hope Ave. (38.84922, -76.95655)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6248	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Temple Hills, MD Prince Georges Co. United States	MD 637 (Naylor Rd.) / Oxon Run Dr. (38.84986, -76.95789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4150	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Castle Marina, MD Queen Annes Co. United States	MD 18 / Castle Marina Rd. (38.97871, -76.28938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7819	Other (At-Grade) Single-Lane	1999	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Columbia Park Drive #1 (46.22221, -119.15110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.8367	Other (At-Grade) Single-Lane	2001	Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA Benton Co. United States	Columbia Park Drive #2 (46.22223, -119.14630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.5366	Other (At-Grade) Single-Lane	2001	Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework.
Juneau, AK Juneau United States	Douglas Hwy / North Douglas Hwy (58.29718, -134.43280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.9134	Other (At-Grade) Single-Lane	2005	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot (45.57770, -122.55950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7822	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Urbana, MD Frederick Co. United States	Bennett Creek Ave. / Bennett Creek Rd. (39.32223, -77.35181)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2613	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	E. 13th St. / N. Denver Ave. (40.40520, -105.04480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7445	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Silverwood Dr. / Centennial Rd. (40.54545, -105.05120)	Traffic Calming Circle Removed	All-Way Yield None	4 Approaches 0 Driveways 31.7646	Other (At-Grade) Single-Lane		Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework.
Oshkosh, WI Winnebago Co. United States	CTH E (Witzel Ave.) / Washburn St. (44.01808, -88.58321)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2010	Opened September 24, 2010.
Urbana, MD Frederick Co. United States	MD 355 / Sprigg St. (39.33070, -77.35654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.4954	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Urbana, MD Frederick Co. United States	Bush Creek Dr. / Major Smith Ln. (39.33507, -77.35263)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.6364	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Encinitas, CA San Diego Co. United States	Santa Fe Dr. / Devonshire Dr. / Rubenstein Ave. (33.03622, -117.28590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0272	Other (At-Grade) Single-Lane	2004	Site of solo fatal crash in 2007, DUI .29%. http://www.nctimes.com/articles/2007/10/09/news/coastal/2_03_3710_8_07.txt. 11861-05. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	S 323rd St. / 32nd Ave. S (47.31214, -122.29250)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.5368	Other (At-Grade) Single-Lane	2000	Opened April 2000. ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Sylvan Ave. / Millbrook Ave. (37.68898, -120.93520)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.3658	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Chico, CA Butte Co. United States	W. 8th Ave. / Magnolia Ave. (39.74451, -121.85270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7130	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Sharon Ave. / Maid Mariane Rd. (37.67451, -120.93050)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.7967	Other (At-Grade) Single-Lane	2006	Opened July 27, 2006. Functional Class: Collector ICD estimated from Google Maps linework.
West Bend, WI Washington Co. United States	Paradise Dr. / CTH G (43.39770, -88.16100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5053	Other (At-Grade) Single-Lane	2003	Completed September 18, 2003 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Bridle Oaks Dr. / Woodmont Dr. (39.01377, -104.79950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.0311	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Glen Isle Dr. / Glendale Dr. (40.43433, -105.11460)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	1995	No splitter islands on side street.
Colorado Springs, CO El Paso Co. United States	Lake Ave. / Lake Cir. (38.79144, -104.84880)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.2724	Other (At-Grade) Single-Lane	1995	Year Completed estimated (before 1999). ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Rainey Tr. (28.91345, -81.99847)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3183	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Rigden Pkwy. / Custer Dr. (40.54863, -105.02960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9307	Other (At-Grade) Single-Lane	2001	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Wedekind Rd. / Clear Acre Ln. (39.55157, -119.78930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.0222	Other (At-Grade) Single-Lane	1999	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Lake Oswego, OR Clackamas Co. United States	SW Stafford Rd. / SW Rosemont Rd. (45.39300, -122.69020)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7740	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
(unincorporated), OR Clackamas Co. United States	SW Stafford Rd. / SW Borland Rd. (45.37472, -122.70240)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.6945	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Urbana, MD Frederick Co. United States	Bennett Creek Ave. / Bennett Creek Blvd. (39.32256, -77.34935)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8808	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Chattanooga, TN Hamilton Co. United States	US 41 - US 76 - SR 8 (Westside Dr.) / 29th St. (35.00944, -85.27164)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.5209	Other (At-Grade) Single-Lane	2001	Completed September 26, 2001. The intersection is located at the western portal of the Bachman Tunnel, a two-lane tunnel through Missionary Ridge, connecting Chattanooga with the City of East Ridge, Tennessee. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Williston, VT Chittenden Co. United States	Maple Tree Pl. / Sycamore Dr. (44.44349, -73.10966)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1697	Other (At-Grade) Single-Lane	2001	Completed November 2001. Major shopping area, road part of the planned ring road around Taft Corner. Functional Class: Local ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Industrial Way / SW Wall St. (44.05050, -121.31750)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.9023	Other (At-Grade) Single-Lane	2003	Wall St. is one-way southbound into the roundabout. Roundabout is raindrop-shaped to prevent eastbound to northbound movements. Dogbone/peanut shape. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Industrial Way / SW Bond St. (44.05040, -121.31630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6191	Other (At-Grade) Single-Lane	2003	Bond St. is one-way northbound out of the roundabout. Roundabout has raindrop-shaped central island, as no westbound to southbound movements are needed. Dogbone/peanut shape. ICD estimated from Google Maps linework.
Kaukauna, WI Outagamie Co. United States	CTH J / US 41 SB Ramps (44.30645, -88.24948)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.8965	Freeway Ramps (Grade-Separated) Single-Lane	2010	Opened October 11, 2010. ICD estimated from Google Maps linework.
McPherson, KS McPherson Co. United States	E. 1st St. / Centennial Dr. (38.37671, -97.62996)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3878	Other (At-Grade) Single-Lane	2005	Fatal crash January 20, 2010. ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Faculty Rd. / Elm Dr. (40.33888, -74.65523)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.2209	Other (At-Grade) Single-Lane	2001	This roundabout is on University owned roads open to the public. There is a second roundabout similar in dimensions upstream on Elm Drive. Close to an at-grade rail crossing. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Greenbelt, MD Prince Georges Co. United States	Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.4960	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-2001). ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	5th Ave. / Center Dr. (39.95764, -105.17190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1262	Other (At-Grade) Single-Lane	1999	Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	Westgate Dr. / Oakmond St. (40.48121, -104.98870)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg.
Gypsum, CO Eagle Co. United States	I-70 Frontage Roads / US 6 (39.65086, -106.95510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3351	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Swinomish Tribal Community, WA Skagit Co. United States	SR 20 / Padilla Heights Rd. (48.45519, -122.51940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2280	Other (At-Grade) Single-Lane	2002	The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework.
La Conner, WA Skagit Co. United States	LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr. (48.39234, -122.48660)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5504	Other (At-Grade) Single-Lane	2003	Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
New London, CT New London Co. United States	Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer (41.34204, -72.09873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8671	Other (At-Grade) Single-Lane	2000	Functional Class: Collector ICD estimated from Google Maps linework.
Portsmouth, VA N/A Co. United States	Crawford St. / Bart St. (36.83202, -76.29770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.8849	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Chapel Hills Dr. / Divot Trl. (38.97569, -104.77560)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.7116	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Functional Class: Arterial ICD estimated from Google Maps linework.
Linton Hall, VA Prince William Co. United States	Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way (38.74593, -77.58755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1911	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Hilton Head, SC Beaufort Co. United States	US 278 / Pope Ave. / Greenwood Dr. / William Hilton Pkwy. (32.15560, -80.76283)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 91.0011	Other (At-Grade) Single-Lane	2000	Converted rotary with large diameter. Right turn bypass lanes on all legs. Conversion Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	River Rd. / East 131st St. / Longest Dr. (39.97910, -86.05145)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 79.2480	Other (At-Grade) Single-Lane	1997	First roundabout in Carmel.
Carmel, IN Hamilton Co. United States	Gray Rd. / 106th St. (39.94151, -86.08847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6277	Other (At-Grade) Single-Lane	2003	Under construction in December 2002; completed January 2003. Intersection closed until completion. Construction cost $430,000 per Indianapolis Star article authored by Bill Ruthhart (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Spring Mill Rd. / W. 131st St. (39.97776, -86.16474)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2691	Other (At-Grade) Single-Lane	2007	Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Spring Mill Rd. / W. 136th St. (39.98505, -86.16485)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6893	Other (At-Grade) Single-Lane	2005	Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Old Meridian St. / Pennsylvania St. (39.96796, -86.15526)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2008
Carmel, IN Hamilton Co. United States	Old Meridian St. / 131st (Main) St. (39.97806, -86.14577)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2007	Painted spirals next to central island. Skewed intersection.
Bettendorf, IA Scott Co. United States	53rd Ave. / Middle Rd. (41.57538, -90.46408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.5252	Other (At-Grade) Single-Lane	2002	Right turn bypass lanes striped within roundabout. Construction cost ~$865,000. Information from website: http://www.bettendorf.lib.ia.us/publicworks/roundabout.html ICD estimated from Google Maps linework.
Johnson City, NY Broome Co. United States	Riverside Dr. / Floral Ave. / Rte 201 Ramps (42.10678, -75.96601)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	http://www.dot.state.ny.us/reg/r9/cur_project/circle/about/index.html
Raleigh, NC Wake Co. United States	Pullen Rd. / Stinson Dr. (35.78457, -78.66421)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.3773	Other (At-Grade) Single-Lane	2002	Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Lenexa, KS Johnson Co. United States	67th St. / Gleason Rd. (39.00723, -94.86295)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3387	Other (At-Grade) Single-Lane	2002	Built as part of extension of both streets -- road originally curved from the north to the east. Completed October 2002. Functional Class: Collector ICD estimated from Google Maps linework.
Sherwood, OR Washington Co. United States	SW Oregon St. / SW Murdock Rd. (45.36060, -122.82520)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.5120	Other (At-Grade) Single-Lane	2002	Completed November 2002. ICD estimated from Google Maps linework.
Erwin, NY Steuben Co. United States	Robert Dann Dr. / Science Center Rd. (42.15936, -77.11082)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2001	Add-lane right-turn bypass lane on west leg.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / US 6 (39.65630, -106.82500)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 40.4579	Other (At-Grade) Single-Lane	2001	Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Hazel Dell Pkwy. / E 126th St. (39.97119, -86.07069)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1998
Carmel, IN Hamilton Co. United States	Hazel Dell Pkwy. / E 131st St. (39.97845, -86.07054)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1998	Built in late 1990s.Converted to multilane 2010-2012. Right-turn-only lane on west leg; left-turn-only lane on east leg.
Carson City, NV Carson City Co. United States	Arrowhead Dr. / I-580 SB Ramp (39.19810, -119.77540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.7669	Freeway Ramps (Grade-Separated) Single-Lane	2002	Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework.
Carson City, NV Carson City Co. United States	Arrowhead Dr. / I-580 NB Ramps / Imus Rd. (39.19840, -119.77380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.6923	Freeway Ramps (Grade-Separated) Single-Lane	2002	NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
Medford, MN Steele Co. United States	CR 12 / I-35 NB Ramps (44.17349, -93.25775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6872	Other (At-Grade) Single-Lane	2002	Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Martin Rd. (45.55150, -123.07350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.0173	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane roundabout, striped-out inner circulatory and entry/exit lanes. ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	Ironwood Dr. / Woodcreek Dr. (45.81641, -108.67716)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003
Crozet, VA Ablemarle Co. United States	Old Trail Dr. / West End Dr. (38.06612, -78.71195)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.0297	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Kiel, WI Manitowoc Co. United States	STH 67-STH 32 / STH 57 (43.90986, -88.02251)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0446	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Opened November 13, 2009. Functional Class: Arterial ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	San Juan Rd. / Azevedo Dr. (38.62740, -121.50840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1250	Other (At-Grade) Single-Lane	2004	Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Coeur dAlene, ID Kootenai Co. United States	4th St. / Margaret Ave. (47.71537, -116.77880)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1602	Other (At-Grade) Single-Lane	2003	Near high school. ICD estimated from Google Maps linework.
Clearwater, FL Pinellas Co. United States	Palmetto St. / Casler Ave. (27.97541, -82.76752)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0954	Other (At-Grade) Single-Lane	2003	John F. Kennedy Middle School on NE corner. Crossing guard operation across N and E legs. ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Dickinson Rd. (CTH G) / East River Dr. (44.43684, -88.02830)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7306	Other (At-Grade) Single-Lane	2001	Roundabout is slightly east of the Chicago/Swan roundabout and is located in a residential area. Roundabout is near East De Pere Middle School and De Pere High School. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
Rexburg, ID Madison Co. United States	2nd W. / 4th S. (43.81770, -111.78950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1941	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Honolulu, HI Oahu Co. United States	Likini St. / Ala Ilima St. / Ala Lilikoi St. (21.35054, -157.91460)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.4720	Other (At-Grade) Single-Lane	2000	Roundabout is 500 ft from Salt Lake Elementary School. http://starbulletin.com/2000/02/28/news/story9.html ICD estimated from Google Maps linework.
Charlotte, NC Mecklenburg Co. United States	E. 9th St. / N. Davidson St. (35.22668, -80.83273)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.9516	Other (At-Grade) Single-Lane	2006	Near elementary school. ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / I-70 WB Ramps (39.62759, -106.49460)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.6349	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / I-70 EB Ramps (39.62714, -106.49610)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7153	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / Fawcett Rd. (39.62907, -106.50190)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7944	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Serves Home Depot and Walmart retail center. Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / US 6 (39.62460, -106.50490)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.6366	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Fatal crash February 22, 2007. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / Yoder Ave. (39.62753, -106.50320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9554	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Functional Class: Arterial ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Chicago St. (CTH G) / Libal St. (44.44026, -88.03812)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8455	Other (At-Grade) Single-Lane	2001	Roundabout surrounded by homes, businesses, East De Pere Middle School, and De Pere High School. Roundabout serves as main entrance to the high school. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Dickinson Rd. (CTH G) / Swan Rd. (44.43908, -88.03475)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.0241	Other (At-Grade) Single-Lane	2001	Roundabout is slightly east of the Chicago/Libal roundabout and is surrounded by businesses and East De Pere Middle School. Roundabout serves as the entrance to a medical clinic. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
Green Bay, WI Brown Co. United States	Airport Dr. (STH 172) / Airport Entrance (44.49569, -88.12467)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1882	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Opened October 2011. ICD estimated from Google Maps linework.
Jackson, MS Hinds Co. United States	Metro Pkwy. / Terry Rd. / Pearl St. / Pascagoula St. (32.29912, -90.19500)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 79.2480	Other (At-Grade) Multilane (2 Lane, unspecified)	2006
Jackson, MS Hinds Co. United States	Metro Pkwy. / Rose St. (32.30005, -90.20143)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Elliptical shaped. ICD = 160 ft x 115 ft.
Kennewick, WA Benton Co. United States	27th Ave. / Vancouver St. (46.18394, -119.14850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4604	Other (At-Grade) Single-Lane	2004	Completed November 15, 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Denali National Park, AK Denali National Park United States	Denali National Park (63.73358, -148.91550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3554	Other (At-Grade) Single-Lane	2002	Date estimated. ICD estimated from Google Maps linework.