Roundabouts Database

30012 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
New London, CT
New London Co.
United States 		Shaw St. / Howard St. / Willets Ave.
(41.34284, -72.09972) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.9700 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Olympic Blvd.
(47.22188, -122.55790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1454 		Other (At-Grade)
Single-Lane 		1997 Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		27th Ave. / Union St. / Southridge Blvd / W Creekstone Dr.
(46.18497, -119.18040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5168 		Other (At-Grade)
Single-Lane 		2000 Completed August 25, 2000. Right-turn bypass on WB approach. Was 3-leg intersection; fourth leg added to west as part of project. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seymour, CT
New Haven Co.
United States 		Rte. 188 / Rte. 334 (Great Hill Rd.) / Holbrook Rd.
(41.37857, -73.12669) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8466 		Other (At-Grade)
Single-Lane 		2016 Previous traffic circle was upgraded to modern roundabout design guidelines. 21442
Scottsdale, AZ
Maricopa Co.
United States 		N. Marshall Way / E. 5th Ave.
(33.49802, -111.92900) 		Other
Existing 		All-Way Stop
None 		3 Approaches
0 Driveways
23.9030 		Other (At-Grade)
Single-Lane 		Stop controlled. ICD estimated from Google Maps linework.
Prescott, AZ
Yavapai Co.
United States 		SR 89 / Willow Lake Rd.
(34.59233, -112.42580) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006
Bisbee, AZ
Cochise Co.
United States 		Bisbee Rd. / SR 80 / SR 92
(31.42830, -109.89230) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
104.9686 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Kingston, NY
Ulster Co.
United States 		I-587 / Rte 28 / I-87 Ramps / Washington Ave.
(41.94362, -74.02840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2000 A 600 ft diameter traffic circle was replaced by 200 ft diameter roundabout. At Exit 19 from I-87. I-587 terminates in roundabout.
Windsor, CT
Hartford Co.
United States 		Hayden Station Rd. / Lancaster Dr. / Center St.
(41.89280, -72.63409) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.8935 		Other (At-Grade)
Single-Lane 		1998 Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States 		Gary Ave. / Candlewood Dr.
(39.21087, -96.61885) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.2841 		Other (At-Grade)
Single-Lane 		1997 Considered to be the First Modern Roundabout in the State of Kansas. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Oviedo, FL
Seminole Co.
United States 		Franklin St. / Geneva Dr. / Division St.
(28.67359, -81.20439) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.5795 		Other (At-Grade)
Single-Lane 		2006 Website: http://www.cityofoviedo.net/files/Roundabouts.pdf ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States 		Hayden Station Rd. / Pond Rd.
(41.89371, -72.64065) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
24.0041 		Other (At-Grade)
Single-Lane 		1998 Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Vista Run Dr. / Park Vista Dr.
(36.17820, -115.34610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.2741 		Other (At-Grade)
Single-Lane 		1995 Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States 		Prospect Hill Rd. / Lang Rd.
(41.89153, -72.69762) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
25.7830 		Other (At-Grade)
Single-Lane 		1998 Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
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
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
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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.
Bend, OR
Deschutes Co.
United States 		NW 14th St. / Newport Ave.
(44.06230, -121.33170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.6126 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW 9th St. / NW Newport Ave. / NW Nashville Ave.
(44.06240, -121.32450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6125 		Other (At-Grade)
Single-Lane 		2005 Completed in August 2005. Intersection previously had five legs. Roundabout changes one leg prior to the roundabout to right in/out and redirects another leg to the roundabout. Located near Grade School on Newport Avenue. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SW Terwilliger Blvd. / SW Palater Rd.
(45.45290, -122.67660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Anchorage, AK
Anchorage
United States 		Dowling Rd. / New Seward Hwy SB Ramps
(61.16636, -149.85780) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1352 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2004 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States 		Dowling Rd. / New Seward Hwy NB Ramps
(61.16637, -149.85520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0151 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2004 Spiral striping. ICD estimated from Google Maps linework.
Culloden, GA
Monroe Co.
United States 		SR 7-US 341 / SR 74
(32.87954, -84.09019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1175 		Other (At-Grade)
Single-Lane 		2008 Functional Class: Rural ICD estimated from Google Maps linework.
Bayfield, CO
La Plata Co.
United States 		CR 501 / Bayfield Center Dr.
(37.23393, -107.60191) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2001 Bayfield Center Drive is a new roadway. Completed Fall 2001.
Astoria, OR
Clatsop Co.
United States 		US 101 / Hwy 202 (Nehalem Highway)
(46.18290, -123.86070) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.4797 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework.
Monroe, WA
Snohomish Co.
United States 		SR 522 EB Ramps / 164th St. SE / Tester Rd.
(47.84863, -122.00580) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
60.9143 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S
(47.29863, -122.29280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.6385 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Sheridan Rd. / Rogers Rd.
(38.87200, -94.79430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.7027 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Sheridan Rd. / Ridgeview Rd. / Dennis Ave.
(38.87270, -94.79730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3160 		Other (At-Grade)
Single-Lane 		2001 Completed April 2001. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Sheridan Rd. / Clairborne Rd.
(38.87020, -94.79250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3168 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Parkville, MO
Platte Co.
United States 		MO 45 (Tom Watson Pkwy.) / National Dr.
(39.21016, -94.70027) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.1210 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Arterial ICD estimated from Google Maps linework.
Maplewood, MN
Ramsey Co.
United States 		Kennard St. / Legacy Pkwy.
(45.03317, -93.03062) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1373 		Other (At-Grade)
Single-Lane 		2004 Site has RT pavement arrows at entrance line. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		Aviano Way / (unknown)
(33.68941, -111.99350) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
79.4999 		Other (At-Grade)
Single-Lane 		Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework.
Lewisville, NC
Forsyth Co.
United States 		Concord Church Rd. / US 421 SB Ramp / Williams Rd.
(36.08978, -80.43072) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.9191 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Solved capacity problem. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Clemmons, NC
Forsyth Co.
United States 		Fraternity Church Rd. / Hope Church Rd.
(36.02653, -80.34301) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0113 		Other (At-Grade)
Single-Lane 		1999 Existing three-legged intersection converted to a four-legged intersection by adding new Clemmons Middle School driveway at the roundabout. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Ridgegate Pkwy. / Ridgegate Cir. / Commons St.
(39.53187, -104.88300) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.4267 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd.
(39.52945, -104.87450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.3498 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		S. Melon Ln. / W. Country Place Blvd.
(33.41839, -112.27850) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
2 Driveways
23.9249 		Other (At-Grade)
Single-Lane 		2004 Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Monterey Way / Peterson Rd.
(38.98607, -95.28841) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8505 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		Wanamaker Rd. / SW 6th Ave.
(39.05662, -95.76134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.7180 		Other (At-Grade)
Single-Lane 		2004 Intersection expanded for new development. Previously T with 6th controlled by stop sign. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		45th St. / Croco Rd.
(38.98618, -95.61436) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.4174 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr.
(36.18080, -115.31370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States 		Desert Primrose Ln. / Desert Marigold Ln. / Blue Willow Ln.
(36.14060, -115.32090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5093 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Desert Primrose Ln. / Spotted Leaf Ln. / Pavillion Center Dr.
(36.14070, -115.33120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.4737 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Havenwood Ave. / Spotted Leaf Ln. / Golden Willow
(36.13300, -115.33040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.6194 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States 		Havenwood Ave. / Desert Marigold Ln. / Navajo Willow Ln.
(36.13360, -115.32110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.5483 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Functional Class: Collector. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		SW 29th St. / Urish Rd.
(39.01446, -95.78102) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2001 Completed July 2001 as single-lane roundabout. Retail shopping center on SW corner. Converted to partial double-lane roundabout 2010. 21442
Howard, WI
Brown Co.
United States 		Lineville Rd. (CTH M) / Cardinal Ln. (CTH EB)
(44.59090, -88.08430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7684 		Other (At-Grade)
Single-Lane 		1999 Roundabout is near Forest Glen Elementary School, Lineville Intermediate School, and Bay Port High School. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Arterial ICD estimated from Google Maps linework.
Howard, WI
Brown Co.
United States 		Lineville Rd. (CTH M) / Rockwell Ln.
(44.59080, -88.08880) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0674 		Other (At-Grade)
Single-Lane 		1999 Roundabout is adjacent to Lineville Intermediate School, Middle School, and High School. School did not allow pedestrian crossings prior to roundabout due to unsafe conditions, now allows crossings using crossing guard. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		Princess Blvd. / Princess Dr.
(33.64804, -111.91795) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
64.0077 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1986 Painted spiral next to central island. Completed 1986. Reconfigured in 2007? 21442
Alpine, UT
Utah Co.
United States 		Canyon Crest Rd. / 200 West
(40.45012, -111.78150) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3540 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Green Bay, WI
Brown Co.
United States 		Mason St. (STH 32-STH 54) / S. Taylor St.
(44.52414, -88.07916) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4266 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework.
Green Bay, WI
Brown Co.
United States 		Shawano Ave. (STH 29) / Taylor St.
(44.53461, -88.07319) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.3783 		Other (At-Grade)
Multilane (3+ Lane) 		2011 Opened September 2011. ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		1300 E / Pioneer Rd.
(40.52518, -111.85340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.2210 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2001 ICD estimated from Google Maps linework. Constructed as single-lane in 2001. Updated to 2x1 in 2023. https://www.draperjournal.com/2023/09/07/464782/roundabout-reopens-early-with-revised-traffic-pattern
Orem, UT
Utah Co.
United States 		1200 South / 400 West
(40.27531, -111.70480) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
30.9811 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		300 East / 12200 South
(40.52863, -111.88180) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.2193 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		200 West (Freedom Blvd.) / 920 South
(40.22177, -111.66230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.5341 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		3700 North / 300 West
(40.28282, -111.66310) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.2444 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		1375 West / 820 North
(40.24470, -111.68280) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.2603 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		2000 South / Sandhill Rd.
(40.26074, -111.70420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7220 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		Tabernacle Rd. / Main St.
(37.10812, -113.58350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.8119 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States 		E. Brigham Rd. / I-15 NB Ramps
(37.05939, -113.58350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.8889 		Freeway Ramps (Grade-Separated)
Single-Lane 		2006 Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Powderwood Dr. / Factory Outlet Parking
(40.72733, -111.55255) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.4374 		Other (At-Grade)
Single-Lane 		2000 Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States 		Kilby Rd. / Factory Outlet Parking
(40.73040, -111.55040) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3918 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.