Roundabouts Database Index

29465 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	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.
Hartland, MI Livingston Co. United States	Hartland Rd. / Rovey Dr. (42.63682, -83.74883)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.6594	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Bayview Rd. / Slidell St. / Burnside Ave. (45.40958, -75.72880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5384	Other (At-Grade) Single-Lane	2010	Functional Class: Collector ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Anderson Rd. / Alvarado Ave. (38.56210, -121.75850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2149	Other (At-Grade) Single-Lane	1997	Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Rafael Dr. (33.56711, -111.89565)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane		ICD estimated from Google Earth.
Arcata, CA Humboldt Co. United States	12th St. / I St. (40.87160, -124.08700)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 48.7687	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Goshen, CT Litchfield Co. United States	Rte. 4 / Rte. 63 (41.83185, -73.22539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2002	Painted splitter islands.
Rochester, MI Oakland Co. United States	Tienken Rd. / Runyon Rd. / Washington Rd. (42.69743, -83.11135)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.0105	Other (At-Grade) Single-Lane	1999	Total cost: $353,000. Completed July 1999. Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA Humboldt Co. United States	13th St. / J St. (40.87260, -124.08780)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 11.7404	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Moore Blvd. / Rockwell Dr. (38.56830, -121.72630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.2127	Other (At-Grade) Single-Lane	1999	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	Moore Blvd. / Wright Blvd. (38.56490, -121.71860)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.2801	Other (At-Grade) Single-Lane	1999	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Southport Dr. / Maritime Loop / Washington Ave. (61.12706, -149.92590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9886	Other (At-Grade) Single-Lane	2001	The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. ICD estimated from Google Maps linework.
Fort Wayne, IN Allen Co. United States	Adams Center Rd. / Marion Center Rd. / Maples Rd. / Wayne Terrace (41.00440, -85.05704)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	1995	Painted splitter islands. Year Completed estimated (before 1998).
Bloomington, IN Monroe Co. United States	High St. / Winslow Rd. / Rogers Rd. (39.13631, -86.50819)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.9078	Other (At-Grade) Single-Lane	1999	$497,000 construction cost. ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Rifle Range Rd. / Bowman Rd. (Veterans Circle) (32.80469, -79.84284)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.1197	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-2002) ICD estimated from Google Maps linework.
Encinitas, CA San Diego Co. United States	Leucadia Blvd / Hymettus Ave (33.06470, -117.29620)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 21.0192	Other (At-Grade) Single-Lane	2004	Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / State Farm Pl. (42.96991, -73.80676)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 43.6952	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
Encinitas, CA San Diego Co. United States	Leucadia Blvd / Hermes Ave (33.06482, -117.30010)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 18.0164	Other (At-Grade) Single-Lane	2004	Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Normal, IL McLean Co. United States	Beaufort St. / North St. (40.50929, -88.98440)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2009	Both a traffic solution and centerpiece for significant downtown redevelopment. Pedestrian access to central island. Completed Fall 2009. https://www.landscapeperformance.org/case-study-briefs/uptown-normal-circle-and-streetscape
Amelia Island, FL Nassau Co. United States	SR A1A / Beach Lagoon Rd. (30.55541, -81.44933)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2001	Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Old Mill Run (28.90720, -81.98250)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.5036	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Bypass lane for southbound through movement in addition to two entry lanes. ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Morse Blvd. / Mariposa Way / Mission Hills Run (28.91829, -81.96940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.4974	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
London, ON Middlesex County Canada	Lambton Dr. / Oxford Dr. (43.00616, -81.27515)	Traffic Calming Circle Existing	Unknown Unknown	5 Approaches 0 Driveways 38.4291	Other (At-Grade) Single-Lane		Constructed sometime in the 1970s. Functional Class: Local 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.
Colorado Springs, CO El Paso Co. United States	Chapel Hills Dr. / Royal Pine Dr. (38.98067, -104.77060)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 26.9242	Other (At-Grade) Single-Lane	2002	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.
Colorado Springs, CO El Paso Co. United States	Beech Ave. / 1st St. (38.79048, -104.84660)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 42.8219	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
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.
Fort Collins, CO Larimer Co. United States	Stanton Creek Dr. / St. Thomas Dr. (40.49066, -105.05590)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 24.5241	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Stanton Creek Dr. / Tortola Way (40.48999, -105.05430)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 25.4327	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Cuerto Ln. / (unknown) (40.57718, -105.13330)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 26.3067	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Tierra Ln. / Saddle Ridge Condominiums (40.57545, -105.13140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 28.1217	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.) (40.57639, -105.08070)	Other Existing	Unknown Unknown	6 Approaches 0 Driveways 19.0499	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Seward, NE Seward Co. United States	7th St. / 6th Ave. / 8th Ave. (40.91742, -97.10029)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 37.9050	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Brookfield, IL Cook Co. United States	Grand Blvd. / Washington St. (41.82755, -87.85150)	Other Existing	Unknown Unknown	8 Approaches 0 Driveways 41.8281	Other (At-Grade) Single-Lane		I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd. (37.05999, -113.58560)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 78.1526	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Combines interchange ramps and frontage road. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	21st Ave. E / E. Republican St. (47.62320, -122.30470)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 5.6349	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Clemmons, NC Forsyth Co. United States	Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout) (36.07380, -80.39124)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9598	Other (At-Grade) Single-Lane	2002	Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Willimantic, CT Windham Co. United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0693	Other (At-Grade) Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Stafford Springs, CT Tolland Co. United States	Rte 32 / Rte 190 (41.95362, -72.30314)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 18.6523	Other (At-Grade) Multilane (2 Lane, unspecified)	1890	Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). 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.
Somerville, NJ Somerset Co. United States	US 206 / US 202 Ramps / NJ 28 / West End Ave. (40.57572, -74.62894)	Rotary Existing	Other Unknown	5 Approaches 0 Driveways 144.7800	Other (At-Grade) Multilane (3+ Lane)		Circulating traffic yields (stops) for entering traffic on northeast leg. ICD = 475 ft x 350 ft.
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.
Loveland, CO Larimer Co. United States	Glen Isle Dr. / Buckingham Cir. (40.43580, -105.10680)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 64.5421	Other (At-Grade) Single-Lane	1997	Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Seven Lakes Dr. / Horseshoe Dr. (40.42844, -105.05100)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 20.0011	Other (At-Grade) Single-Lane	1996	Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Seven Lakes Dr. / Madison Ave. (40.42698, -105.05790)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 18.1832	Other (At-Grade) Single-Lane	1995	Functional Class: Local 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.
Jessup, MD Howard Co. United States	Canine Rd. / MD 32 EB Ramps (39.10101, -76.76953)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0005	Freeway Ramps (Grade-Separated) Single-Lane	2001	ICD estimated from Google Maps linework.
Mount Aetna, MD Washington Co. United States	MD 66 (Mapleville Rd.) / Mount Aetna Rd. (39.60243, -77.62425)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1703	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Scaggsville, MD Howard Co. United States	Hopkins-Gorman Rd. / US 29 NB Ramps (39.15846, -76.88660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.2695	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	ICD estimated from Google Maps linework.
Medford, MN Steele Co. United States	CR 12 / I-35 SB Ramps (44.17364, -93.26057)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 67.6722	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Maplewood, MN Ramsey Co. United States	Frost Ave. / English St. (44.99927, -93.04572)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.5374	Other (At-Grade) Single-Lane	2002	Completed October 2002. Twenty-year ADT is 15,000. ICD estimated from Google Maps linework.
Stillwater, MN Washington Co. United States	Rutherford Rd. / 72nd St. / New England Pl. (School House Circle) (45.05673, -92.85909)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.6830	Other (At-Grade) Single-Lane	1999	Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Ashworth Ave. N / N 38th St. (47.65269, -122.34020)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 160.1009	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Rochester, MN Olmsted Co. United States	College Dr. SE / College Pkwy. SE (north) (44.01949, -92.42918)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2000
Rochester, MN Olmsted Co. United States	UCR Dr. SE / Ucr Pkwy SE (south) (44.01538, -92.43011)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.3809	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Blair, NE Washington Co. United States	NE 133 / US 30 (41.51842, -96.14633)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1353	Other (At-Grade) Single-Lane	2004	Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NE 15th St. / Bear Creek Rd. (44.05150, -121.28400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9018	Other (At-Grade) Single-Lane	2005	Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Awbrey Rd. / NW Sonora Dr. (44.07240, -121.31750)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0262	Other (At-Grade) Single-Lane		Older design. Fourth leg is stub. ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	Vestry Rd. / Rocky Mouth Ln. (40.48996, -111.87390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.2236	Other (At-Grade) Single-Lane	1996	ICD estimated from Google Maps linework.
Orem, UT Utah Co. United States	E 850 North / N Palisade Dr. (40.31273, -111.66490)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.4997	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Burke Ave. N / N 35th St. (47.64919, -122.33510)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 9.6550	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Lindon, UT Utah Co. United States	400 South / 600 West (Lindon Park Circle) (40.33034, -111.73140)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.6873	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Date estimated. ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	1730 North / 1740 West (40.25703, -111.68890)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3437	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Promenade Dr. / Royal Pine Dr. (38.96891, -104.74860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.2859	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	700 East / Center St. (40.23369, -111.64660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9119	Other (At-Grade) Single-Lane	1996	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	1700 North / 1730 North / 1500 West (40.25650, -111.68530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4324	Other (At-Grade) Single-Lane	1998	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	300 North / Seven Peaks Blvd. (40.23737, -111.63750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7337	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	5000 North / Edgewood Dr. (40.30066, -111.65750)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 19.1282	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Serenity Park Dr. / (parking lot) (39.01540, -104.81010)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 23.1991	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Research Pkwy. / (unknown #1) (38.95966, -104.72230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5774	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Research Pkwy. / (unknown #2) (38.96123, -104.71810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.2198	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Research Pkwy. / (unknown #3) (38.96204, -104.71430)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1479	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	New Car Dr. / Duryea Dr. (38.93880, -104.72930)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.5906	Other (At-Grade) Single-Lane	2003	Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	New Car Dr. / Test Dr. (38.93844, -104.73440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.6618	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	New Car Dr. / parking lot (38.93777, -104.73750)	Other Existing	Unknown None	2 Approaches 0 Driveways 43.6622	Other (At-Grade) Single-Lane		Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Newport Rd. / Vapor Trl. (38.80787, -104.72680)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 25.1284	Other (At-Grade) Single-Lane	2002	Y-shaped intersection. ICD estimated from Google Maps linework.