Roundabouts Database

29410 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 Harford, MD
Harford Co.
United States 		MD 165 / MD 24
(39.67220, -76.40930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1750 		Other (At-Grade)
Single-Lane 		2000 Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
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.
Portland, OR
Multnomah Co.
United States 		NE Mt. Hood Ave. / Frontage Rd. / PDX Airport Economy Blue Lot / PDX Airport Economy Red Lot
(45.57770, -122.55950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7822 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Tooele, UT
Tooele Co.
United States 		W 2000 N / N 70 W
(40.56555, -112.30310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1987 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Aspen, CO
Pitkin Co.
United States 		SR 82 / Maroon Creek Rd. / Castle Creek Rd.
(39.19557, -106.84025) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000
Boynton Beach, FL
Palm Beach Co.
United States 		Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd.
(26.54660, -80.16390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.5051 		Other (At-Grade)
Single-Lane 		2000 Date estimated. ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States 		Hagen Ranch Rd. / Le Chalet Blvd.
(26.55650, -80.15710) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.2298 		Other (At-Grade)
Single-Lane 		2000 Date estimated. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / 56th St. W
(47.20565, -122.56890) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3417 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / 62nd Ct. W / Park Entrance
(47.20033, -122.56890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7785 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Bristonwood Dr. / 48th St. W
(47.21334, -122.56880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9607 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States 		Grandview Dr. / Cirque Dr.
(47.21093, -122.56880) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.1506 		Other (At-Grade)
Single-Lane 		2000 Opened September 2000. ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		Marvin Rd. NE / Main St. NE
(47.06709, -122.76828) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Roundabout installed, although cross street not initially constructed.
Frisco, CO
Summit Co.
United States 		SH 9 / I-70 WB Ramps
(39.59339, -106.09700) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.0524 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Highway ref. pt. 70-202.35. ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States 		Peoria St. / Cherry Creek Dr.
(39.61015, -104.84800) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.7631 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Jefferson County Pkwy. / Civic Center
(39.72717, -105.19940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.9051 		Other (At-Grade)
Single-Lane 		2000 Feeds parking lot ICD estimated from Google Maps linework.
New London, CT
New London Co.
United States 		Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer
(41.34204, -72.09873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8671 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Collector ICD estimated from Google Maps linework.
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.
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.
Urbana, MD
Frederick Co.
United States 		Bennett Creek Ave. / Bennett Creek Rd.
(39.32223, -77.35181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2613 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Pine Manor Dr. / Stoneglen Dr.
(38.96827, -104.76670) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9289 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sugarloaf Pkwy.
(39.32862, -77.35193) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8013 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States 		I-5 NB Off-Ramp / Galaxy Dr. / Quinault Dr.
(47.06127, -122.76890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.5438 		Other (At-Grade)
Single-Lane 		2000 Completed November 1, 2000. ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Sugarloaf Pkwy. / Denison St.
(39.33490, -77.34180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.9503 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		S 323rd St. / 32nd Ave. S
(47.31214, -122.29250) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.5368 		Other (At-Grade)
Single-Lane 		2000 Opened April 2000. ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sprigg St.
(39.33070, -77.35654) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.4954 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bush Creek Dr. / Major Smith Ln.
(39.33507, -77.35263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6364 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		MD 17 / A St. / B St. / Maryland Ave.
(39.31433, -77.62807) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
42.5054 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		Rice Rd. / I-70 WB Ramps / Sycamore Dr.
(39.03610, -95.62310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5293 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		Rice Rd. / I-70 EB Ramps / Cyprus Drive
(39.03190, -95.62320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.8817 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Part of a major realignment of I-70 and K-4. Cyprus Drive is One Way Eastbound (away from the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States 		Milpas St. / US 101 NB Ramps / Carpinteria St.
(34.42073, -119.67765) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05.
Scottsdale, AZ
Maricopa Co.
United States 		N. 64th St. / E. Lafayette Blvd.
(33.49474, -111.94330) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9119 		Other (At-Grade)
Single-Lane 		2000 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.
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.
Park City, UT
Summit Co.
United States 		Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue
(40.64572, -111.49500) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
46.2161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial 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.
Claremont, CA
Los Angeles Co.
United States 		Indian Hill Blvd. / Bonita St.
(34.09662, -117.71930) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2000 Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3)
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.
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.
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.
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.
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.
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.
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.
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.
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
Provo, UT
Utah Co.
United States 		Riverside Ave. / W 1720 North
(40.25703, -111.66810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.8749 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
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.
Des Moines, IA
Polk Co.
United States 		Gannett Ave. / Rittenhouse St.
(41.52031, -93.65178) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.1341 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Fort Mill, SC
York Co.
United States 		Assembly Dr. / First Baxter Crossing
(35.02980, -80.96839) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.7889 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1998-2002). ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		Glendale Ave. / Washington St.
(36.02251, -78.90046) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.7744 		Other (At-Grade)
Single-Lane 		2000 Modified circle, part of I-85 detour route. ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Valley Oak Dr. / Clearwater Dr.
(40.44328, -105.02180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.5398 		Other (At-Grade)
Single-Lane 		2000 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		Main St. / (unknown)
(39.51799, -104.75580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
19.3480 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Monte Vista Dr. East / W. 22nd St.
(40.41451, -105.13180) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
24.5519 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Monte Vista Dr. West / W. 22nd St.
(40.41449, -105.13290) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
26.3706 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		New Castle Dr. / Tabernash Dr.
(40.42599, -105.12010) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
24.5477 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Englewood, CO
Arapahoe Co.
United States 		Englewood Pkwy. / S. Cherokee St.
(39.65491, -104.99110) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.3782 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Hayward, CA
Alameda Co.
United States 		Orchard Ave. / Joyce St.
(37.65808, -122.07850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9103 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework.
Escalon, CA
San Joaquin Co.
United States 		1st Ave. / Riesling Way
(37.79437, -121.01140) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8755 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / (unknown)
(37.65670, -121.89670) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.3660 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / E Gate Way
(37.65487, -121.89530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.3667 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / Oak Vista Way
(37.65349, -121.89390) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4216 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Valley Ave. / Pleasanton Ave. / Laguna Creek Ln.
(37.65175, -121.89043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2000
Columbia, MD
Howard Co.
United States 		Golden Straw Ln. / Long Meadow Ct.
(39.21441, -76.81085) 		Traffic Calming Circle
Existing 		Other
None 		3 Approaches
0 Driveways
99.0123 		Other (At-Grade)
Single-Lane 		2000 Yield control only on west leg. ICD estimated from Google Maps linework.
Walnut Creek, CA
Alameda Co.
United States 		Walnut Ave. / Oak Grove Rd.
(37.91432, -122.00770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.6138 		Other (At-Grade)
Single-Lane 		2000 Right turn bypass lane in northwest quadrant. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Parkside Way / New Meadow Dr.
(38.79915, -121.32150) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
26.9931 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Hilton Head, SC
Beaufort Co.
United States 		Pembroke Dr. / Indigo Run Dr.
(32.21179, -80.71949) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.5041 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Lincoln, NE
Lancaster Co.
United States 		Southwest High School
(40.73830, -96.70326) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.3383 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Lincoln, NE
Lancaster Co.
United States 		S 16th St. / Garret Ln.
(40.73623, -96.69884) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.9093 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Woodbridge, VA
Prince William Co.
United States 		Belmont Bay Dr. / Palisades St.
(38.65612, -77.23753) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.4412 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Woodbridge, VA
Prince William Co.
United States 		Belmont Bay Dr. / Course View Way
(38.65403, -77.23640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1826 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Huntsville, AL
Madison Co.
United States 		Home Depot Access / Costco Access
(34.74251, -86.60383) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
30.4236 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1998-2002). ICD estimated from Google Maps linework.
Hercules, CA
Contra Costa Co.
United States 		Refugio Valley Rd. / Redwood Rd. / Falcon Way
(37.99686, -122.24780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8238 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		Devonna Ln. / Watkins St. / 84th Dr. / Hammond Ln.
(33.42601, -112.24090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.9228 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
West Des Moines, IA
Dallas Co.
United States 		Wistful Vista Dr. / S. 79th St.
(41.56572, -93.81668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6372 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
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.
Eugene, OR
Lane Co.
United States 		Barger Dr. / Green Hill Rd.
(44.08470, -123.20830) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.6002 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Monterey Way / Harvard Rd.
(38.96400, -95.28833) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.7869 		Other (At-Grade)
Single-Lane 		1999 Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework.
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.
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
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.
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.
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.
Annapolis, MD
Anne Arundel Co.
United States 		Gateway Circle [MD 450 (West St.) / Taylor Ave. / Spa Rd.]
(38.97630, -76.50486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Elliptical shaped. ICD = 180 ft x 160 ft. Opened December 1999.
Carlsbad, CA
San Diego Co.
United States 		Legoland Dr. / Armada Dr.
(33.13229, -117.31660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1999 Unstriped circulatory roadway.
(unincorporated), MD
Anne Arundel Co.
United States 		Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9594 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States 		MD 94 / Old Frederick Rd. (Lisbon North)
(39.34810, -77.06930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.7839 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Brattleboro, VT
Windham Co.
United States 		Rte 9 / Rte 5
(42.88500, -72.55670) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1999 Adjacent to I-89. Heavy truck volume (>7%).
Arcata, CA
Humboldt Co.
United States 		Samoa Blvd. / Buttermilk Ln.
(40.85710, -124.07250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1329 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States 		Samoa Blvd. / Union St.
(40.86140, -124.07730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2273 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Century Dr. / SW Colorado Ave. / SW Chandler Ave.
(44.04180, -121.33200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		1999 Completed Fall 1999. One leg comes in at 60 degree angle. Right-turn bypass lane part of conceptual design but removed for final. First modern roundabout in Oregon.
Lutherville-Timonium, MD
Baltimore Co.
United States 		MD 139 (Charles St.) / Bellona Ave.
(39.41790, -76.62900) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Two-lane circulatory roadway across northern half.
Ellicott City, MD
Howard Co.
United States 		MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1999
Federalsburg, MD
Caroline Co.
United States 		MD 307 / MD 313 / MD 318
(38.68938, -75.78949) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4247 		Other (At-Grade)
Single-Lane 		1999 Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Shasta Dr. / Olympic Dr.
(38.55540, -121.77620) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.2833 		Other (At-Grade)
Single-Lane 		1999 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Chopper Cir. / VIP Parking / 9th St. / Access Rd
(39.74721, -105.00810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.3424 		Other (At-Grade)
Single-Lane 		1999 Located at Pepsi Center arena Functional Class: Collector 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.