Roundabouts Database Index

28820 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
North Haven, NY Suffolk Co. United States	Tyndall Road / Rte. 114 (Ferry Rd.) (41.01303, -72.31309)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2334	Other (At-Grade) Single-Lane	2001	Replaced a dangerous 2-way stop. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N Saddle Creek Rd. / Country Club Ave. / Seward St. / 50th St. / Happy Hollow Rd. (41.27431, -95.99039)	Roundabout Existing	Unknown Unknown	8 Approaches 0 Driveways 28.7235	Other (At-Grade) Single-Lane	2003	Dogbone/peanut shape. ICD estimated from Google Maps linework.
Lacey, WA Thurston Co. United States	Marvin Rd. / Britton Pkwy. (47.06905, -122.77090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3682	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	Completed September 14, 2000. Functional Class: Arterial ICD estimated from Google Maps linework.
Duvall, WA King Co. United States	SR 203 (Carnation-Duvall Rd.) / 124th St. / Novelty Hill (47.70910, -121.98440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9865	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce Co. United States	Borgen Blvd. / SR 16 NB Ramps / Burnham Dr. (47.35843, -122.61260)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 47.7339	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2001	Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / Clover Dr. / Kittleson Rd. (47.10387, -119.25730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8990	Other (At-Grade) Single-Lane	2001	Part of series of 3 roundabouts. Functional Class: Collector ICD estimated from Google Maps linework.
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
Seattle, WA King Co. United States	2nd Ave. NE / NE 91st St. (47.69499, -122.32710)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0388	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Mt. Washington Dr. / SW Simpson Ave. (44.04736, -121.34400)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6208	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Town and Country, MO St. Louis Co. United States	MO 141 SB Ramps / Woods Mill Rd. (38.63523, -90.51449)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 38.2503	Other (At-Grade) Single-Lane	2002	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Bel Air, MD Harford Co. United States	Tollgate Rd. / Wheel Rd. (39.48999, -76.32914)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5729	Other (At-Grade) Single-Lane	1999	http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 ICD estimated from Google Maps linework.
Fairbanks, AK Fairbanks North Star United States	Thompson Dr / Tanana Loop Dr (64.85564, -147.84200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.2695	Other (At-Grade) Single-Lane	2004	The site is on the University of Alaska, Fairbanks, school campus. The project constructed a new entrance onto the campus intersecting by means of a roundabout with an existing three leg stop controlled intersection. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Murray, KY Calloway Co. United States	Gilbert Groves Dr. / Murray State University parking lot (36.62003, -88.31861)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0473	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Bainbridge Island, WA Kitsap Co. United States	High School Rd. / Madison Ave. (47.63579, -122.52100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9484	Other (At-Grade) Single-Lane	2000	Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near library and shopping center. Opened October 2000. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Linden Ave. N / N. 36th St. (47.65116, -122.34860)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 35.4002	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Woodlawn Ave. N / N. 36th St. (47.65051, -122.33870)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 12.8730	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	18th Ave. E. / E. Spring St. (47.61154, -122.30890)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0516	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	4th Ave. N / N. Prospect St. (47.62890, -122.34880)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 10.4636	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. 74th St. / E. Sweetwater Ave. (33.60395, -111.92155)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 16.7640	Other (At-Grade) Unknown	2003	Modified by City in 2005 to improve operation as roundabout. 21442
Guelph, ON Wellington County Canada	Summerfield Dr. / Colonial Dr. (43.51809, -80.18253)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.4466	Other (At-Grade) Single-Lane	2001	Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework.
Lexington, KY Lexington-Fayette Co. United States	Old Frankfort Pike / Alexandria Dr. (38.06952, -84.55762)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2010
Westfield, NJ Union Co. United States	NJ 28 / E. Broad St. (Westfield Circle) (40.64849, -74.35027)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 42.5896	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Lafayette, LA Lafayette Par. United States	Settlers Trace / River Ranch Dr. (30.17073, -92.03625)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 42.3339	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector ICD estimated from Google Maps linework.
Dumont / Cresskill, NJ Bergen Co. United States	Madison Ave. / Knickerbocker Rd. (Monument) (40.94127, -73.97681)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 74.8804	Other (At-Grade) Single-Lane		Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local ICD estimated from Google Maps linework.
Hebron, KY Kenton Co. United States	North Bend Rd. / Graves Rd. / Old North Bend Rd. (39.09881, -84.71849)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3432	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Sunnyside Ave. N / N 43rd St. (47.65912, -122.33020)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Okemos, MI Ingham Co. United States	Hamilton Rd. / Marsh Rd. (42.71625, -84.42687)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8350	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Dimondale, MI Eaton Co. United States	East Rd. / Creyts Rd. (42.64743, -84.64275)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6250	Other (At-Grade) Single-lane w/ Traversable Central Island	2001	British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf ICD estimated from Google Maps linework.
Davis, CA Yolo Co. United States	5th St. / Cantrill Dr. (38.55160, -121.72010)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9547	Other (At-Grade) Single-Lane	1998	Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Gum Ave. / Bourn Dr. (38.66820, -121.74710)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 64.3428	Other (At-Grade) Single-Lane	2008	Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector 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.
Seattle, WA King Co. United States	61st Ave. S / S Norfolk St. (47.51337, -122.25705)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006
Truckee, CA Nevada Co. United States	Brockway Rd. / Martis Valley Rd. (39.32135, -120.16269)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2006
Tampa (Ybor City), FL Hillsborough Co. United States	Channelside Dr. / Cumberland Ave. (27.94497, -82.44576)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	1995	Right-turn-only lane on north leg.
Clearwater, FL Pinellas Co. United States	SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout) (27.97752, -82.82709)	Roundabout Existing	All-Way Yield Metering Signal	6 Approaches 0 Driveways 68.5587	Other (At-Grade) Multilane (2 Lane, unspecified)	1999	Modified 2002-2004 to change geometry and striping, and remove fountain. 21442
Bend, OR Deschutes Co. United States	Brookswood Blvd. / Powers Rd. (44.02886, -121.32130)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1961	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	C St. / O'Malley EB Ramps (61.12273, -149.88630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2006
Anchorage, AK Anchorage United States	C St. / O'Malley WB Ramps (61.12404, -149.88630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006
Seattle, WA King Co. United States	34th Ave. SW / SW Henderson St. (47.52286, -122.37530)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 42.7458	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Litchfield Park, AZ Maricopa Co. United States	W. Palmilla Blvd. / W. Alvarado Dr. (33.46978, -112.35190)	Traffic Calming Circle Existing	Unknown None	4 Approaches 0 Driveways 23.9107	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Moses Lake, WA Grant Co. United States	Yonezawa Blvd. / S. Division St. / W. Belmont Ave. (47.10438, -119.27860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.0857	Other (At-Grade) Single-Lane	2001	Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Litchfield Park, AZ Maricopa Co. United States	Wigwam Creek Blvd. / N. Rattler Way (33.51643, -112.32870)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 16.9277	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Plum Creek Dr. / Piney River Dr. (40.41253, -105.01850)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.0994	Other (At-Grade) Single-Lane	2001	Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MD Howard Co. United States	Golden Straw Ln. / Davis Rd. (39.21597, -76.81084)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2000	Completed April 28, 2000. Pedestrian ramps into circulatory roadway.
(unincorporated), OR Washington Co. United States	NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.6900	Other (At-Grade) Single-Lane	2003	Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Linden Ave. N / N. 42nd St. (47.65774, -122.34850)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 56.3115	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	44th Ave. SW / SW College St. (47.58301, -122.38780)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 37.0576	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	30th Ave. SW / SW Cloverdale St. (47.52648, -122.37120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 64.5176	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	24th Pl. / Inverness Dr. (38.94105, -95.29808)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0814	Other (At-Grade) Single-Lane	2001	Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	24th Pl. / Crossgate Dr. (38.94130, -95.28875)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.9392	Other (At-Grade) Single-Lane	2001	Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	Promontory Cir. / W 11th St. (40.41889, -104.84990)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Lawrence, KS Douglas Co. United States	E. 19th St. / Barker Ave. (38.95003, -95.23283)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 16.7188	Other (At-Grade) Single-Lane	2004	Functional Class: Arterial ICD estimated from Google Maps linework.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr. (26.53700, -80.16410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.4660	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	42nd Ave. SW / SW Hinds St. (47.57318, -122.38570)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 9.6690	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Peoria, AZ Maricopa Co. United States	N Sunrise Point / Sunset Point (33.75294, -112.33084)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 80.7720	Other (At-Grade) Single-Lane	2004
Coral Gables, FL Miami-Dade Co. United States	Sunset Rd (SW 72nd St) / LeJeune Rd (SW 42nd Ave) / Cocoplum Rd / Old Cutler Rd (25.70536, -80.26083)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 71.0248	Other (At-Grade) Single-Lane		Entering traffic yields to circling traffic Functional Class: Collector ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	E. Cotton Center Blvd. / S. 44th Pl. (33.40279, -111.98790)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 163.5163	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	Pointe Pkwy. / S 48th St. (33.37162, -111.97410)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Multilane (2 Lane, unspecified)	2000
Greeley, CO Weld Co. United States	Promontory Cir. / W. 16th St. (40.41505, -104.85090)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Seattle, WA King Co. United States	61st Ave. S / S. Cooper St. (47.51166, -122.25710)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Greeley, CO Weld Co. United States	Promontory Cir. / Con Agra Dr. (40.41138, -104.85200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Boynton Beach, FL Palm Beach Co. United States	Hagen Ranch Rd. / Treviso Ln. (26.54100, -80.16380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.6431	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Crozet, VA Ablemarle Co. United States	Old Trail Dr. / (unknown #2) (38.05907, -78.71125)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.0923	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	Promontory Cir. / W 18th St. (40.40869, -104.85120)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6717	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Seattle, WA King Co. United States	17th Ave. E. / E. Spring St. (47.61153, -122.31020)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 5.6361	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Crozet, VA Ablemarle Co. United States	Old Trail Dr. / Golf Dr. (38.05766, -78.71016)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.0929	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	40th Ave. SW / SW Manning St. (47.57122, -122.38250)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 7.2520	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	23rd Ave. / W. Osborn Rd. (33.48775, -112.10840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.9372	Other (At-Grade) Single-Lane	2005	Small roundabout. ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	W 18th St. / Promontory Cir. / (parking) (40.41203, -104.85840)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Part of 6 in vicinity.
Seattle, WA King Co. United States	28th Ave. NE / NE Hiram Pl. / NE 120th St. (47.71572, -122.29810)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 164.7289	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	24th Ave. S / S. Dearborn St. (47.59557, -122.30120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 13.6919	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	E. Mountain View Rd. / N. Central Ave. (33.57510, -112.07360)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 16.9162	Other (At-Grade) Single-Lane	2006	Mini-roundabout ICD estimated from Google Maps linework.
Manhattan, KS Riley Co. United States	Kimball Ave. / Grand Mere Pkwy. (39.20168, -96.63786)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.3931	Other (At-Grade) Single-Lane	2000	Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	Sunflower Park Rd / Inverness Dr (38.93745, -95.29810)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 111.4785	Other (At-Grade) Single-Lane	2001	Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Chesterfield, MO St. Louis Co. United States	Schoettler Valley Dr. / Highcroft Dr. (38.64415, -90.55331)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 17.7235	Other (At-Grade) Single-Lane	1999	Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	Promontory Cir. / W 16th St. / (parking) (40.41524, -104.85540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	Part of 6 in vicinity.
Hutchinson, KS Reno Co. United States	23rd Ave. / Severence St. (38.07940, -97.91340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7846	Other (At-Grade) Single-Lane	2000	Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Garnett, KS Harvey Co. United States	US 59 / US 169 (38.25832, -95.24861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.8910	Other (At-Grade) Single-Lane	2006	None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Newton, KS Harvey Co. United States	Broadway St. / I-135 Ramps (38.05000, -97.32250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.1441	Freeway Ramps (Grade-Separated) Single-Lane	2003	Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Lenexa, KS Johnson Co. United States	Prairie Star Pkwy / Montecello Rd. (38.95251, -94.84398)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.0123	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	Functional Class: Arterial ICD estimated from Google Maps linework.
Paola, KS Miami Co. United States	K-68 / Old Kansas City Rd. / Hedge Ln. (38.62133, -94.85551)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 44.7895	Other (At-Grade) Single-Lane	2001	First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework.
Topeka, KS Shawnee Co. United States	46th St. / US 75 Ramps (39.12934, -95.71959)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 124.9680	Freeway Ramps (Grade-Separated) Single-Lane	2002	Roundabout under structure as part of single-point interchange. Elliptical shaped. ICD = 410 ft x 270 ft. Original intersection was at grade. Completed November 2002.
Phoenix, AZ Maricopa Co. United States	N. 43rd St. / E. Stanford Dr. (33.51700, -111.98930)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 46.7997	Other (At-Grade) Single-Lane	2005	Mini-roundabout ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Rue de la Rive-Boisee N / Rue du Baumier (46.83577, -71.32956)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane		No splitter islands. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	25th Ave. S / S Dearborn St. (47.59556, -122.30010)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	0 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Seattle, WA King Co. United States	26th Ave. S / S. Dearborn St. (47.59555, -122.29880)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 48.3244	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Mt. Washington Dr. / NW Skyliners Rd. (44.05369, -121.35490)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3425	Other (At-Grade) Single-Lane	2005	Roundabout constructed with addition of south leg. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Shevlin Park Rd. / Newport Ave. / College Way (44.06240, -121.33770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6125	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Mt. Washington Dr. / Shevlin Park Rd. (44.06780, -121.35530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7584	Other (At-Grade) Single-Lane	2000	South leg on Mt. Washington Drive added as part of new development. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Mt. Washington Dr. / NW Crossing Dr. (44.05890, -121.35670)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6144	Other (At-Grade) Single-Lane	2000	Both roadways brand new as part of new development. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr. (44.03860, -121.33590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Single-Lane	2001	Roundabout sized for ultimate conversion to double lane.
Bend, OR Deschutes Co. United States	SW 14th St. / SW Century Dr. / SW Simpson Ave. (44.04790, -121.33160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9036	Other (At-Grade) Single-Lane	2002	Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW 14th St. / NW Galveston Ave. (44.05660, -121.33180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8991	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.