Roundabouts Database

30321 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
Raleigh, NC
Wake Co.
United States 		(unknown) / (unknown)
(35.84745, -78.58304) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.3411 		Other (At-Grade)
Single-Lane 		1995 Pedestrian access to central island. Year Completed estimated (1993-1998). ICD estimated from Google Maps linework.
Dallas, TX
Dallas Co.
United States 		Snider Plaza / Milton Ave.
(32.84849, -96.78790) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1995
Eagle Mountain, UT
Utah Co.
United States 		E Eagle Mountain Blvd. / N Sweetwater Rd.
(40.30679, -112.01476) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (1993-1997).
Richland, WA
Benton Co.
United States 		Stevens Center Pl. / Garlick Blvd.
(46.32080, -119.28021) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
73.1520 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1996 These are private streets.
Braden River, FL
Manatee Co.
United States 		The Park Blvd. / Ascot Ct. / Saint Georges Way / Kensington Ct.
(27.40908, -82.46754) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		1996 Pedestrian crossing within circulatory roadway.
Fayetteville, NC
Cumberland Co.
United States 		Singletree Ln. / Hacienda Dr. / Hackamore St.
(34.99690, -78.95249) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
40.1133 		Other (At-Grade)
Single-Lane 		1996 Mixed stop/uncontrolled. Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Garner, NC
Wake Co.
United States 		Pergo Pkwy. / Waterfield Ridge Pl.
(35.68826, -78.56451) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
34.9213 		Other (At-Grade)
Single-Lane 		1996 Mix of stop, yield, and uncontrolled approaches. Year Completed estimated (1993-1998). ICD estimated from Google Maps linework.
Fresno, CA
Fresno Co.
United States 		E El Paso Ave. / El Camino
(36.84721, -119.78884) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		1996 Year Completed estimated (before 1998).
Raleigh, NC
Wake Co.
United States 		Falls River Ave. / Southwalk Ln.
(35.91055, -78.58734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
75.4515 		Other (At-Grade)
Single-Lane 		1996 Year completed estimated (1993-1998) ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Gladstone St.
(45.49337, -122.63466) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
32.6514 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 34th Ave. / SE Gladstone St.
(45.49335, -122.62978) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
61.9539 		Other (At-Grade)
Single-Lane 		1996 Completed 10/17/1996. ICD estimated from Google Maps linework.
Kettering, OH
Montgomery Co.
United States 		Forrer Blvd. / Madison St.
(39.71565, -84.14854) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.4476 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1996 ICD estimated from Google Maps linework.
Taneytown, MD
Carroll Co.
United States 		MD 140 / MD 832 / Antrim Blvd.
(39.64809, -77.15468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Hilton Head, SC
Beaufort Co.
United States 		Whooping Crane Way / Main St.
(32.21647, -80.72187) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.4598 		Other (At-Grade)
Single-Lane 		1996 Completed February 1996. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		8th St. S / 12th Ave. S
(26.13267, -81.79491) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2281 		Other (At-Grade)
Single-Lane 		1996 Installed for community enhancement. ICD estimated from Google Maps linework.
Tavares, FL
Lake Co.
United States 		Main St. / Disston Ave. / Lake Dora Dr.
(28.80215, -81.72475) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.9315 		Other (At-Grade)
Single-Lane 		1996 Railroad tracks running along edge of central island. RR unprotected, train frequency 1-2/wk, 10 mph. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		7th St. N. / 11th Ave. N.
(26.15712, -81.79420) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL
Collier Co.
United States 		7th St. N. / 12th Ave. N.
(26.15734, -81.79282) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Tampa, FL
Hillsborough Co.
United States 		North Blvd. / Country Club Dr.
(28.05466, -82.46759) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.7559 		Other (At-Grade)
Single-Lane 		1996 Completed June 1996. ICD estimated from Google Maps linework.
Olmos Park, TX
Bexar Co.
United States 		Olmos Dr. / El Prado Dr. / McCullough Ave.
(29.47094, -98.49162) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		1996 Completed July 1996.
Bel Air, MD
Harford Co.
United States 		Tollgate Rd. / Marketplace Dr.
(39.52092, -76.35262) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.5602 		Other (At-Grade)
Single-Lane 		1996 Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Horseshoe Dr.
(40.42844, -105.05100) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.0011 		Other (At-Grade)
Single-Lane 		1996 Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd.
(38.96655, -92.35241) 		Roundabout
Removed 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
94.7178 		Freeway Ramps (Grade-Separated)
Single-Lane 		1996 First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		S 800 W / College Dr. / Sandhill Rd. (UVSC South Entrance)
(40.27592, -111.71290) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.4480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1996 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		700 East / Center St.
(40.23369, -111.64660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9119 		Other (At-Grade)
Single-Lane 		1996 ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		Vestry Rd. / Rocky Mouth Ln.
(40.48996, -111.87390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.2236 		Other (At-Grade)
Single-Lane 		1996 ICD estimated from Google Maps linework.
North Augusta, SC
Aiken Co.
United States 		Riverside Blvd. / E Shoreline Dr. / Railroad Ave. / Landing Dr.
(33.48467, -81.97233) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.8288 		Other (At-Grade)
Single-Lane 		1996 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Muskegon, MI
Muskegon Co.
United States 		Terrace Point Rd. / (parking lot access)
(43.24145, -86.25485) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.5812 		Other (At-Grade)
Single-Lane 		1996 Year Completed unknown (before 1997). ICD estimated from Google Maps linework.
Fairfield, OH
Butler Co.
United States 		Seward Rd. / Essex Orchard Station Dr.
(39.31580, -84.49502) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
22.1763 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Fairfield, OH
Butler Co.
United States 		Seward Rd. / Kohn Dr.
(39.31476, -84.49520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.3285 		Other (At-Grade)
Single-Lane 		1997 Little deflection for northbound through movement. Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Sports Blvd. / Wright St.
(39.71698, -104.89131) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.3738 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Sports Blvd. / Great Lawn Dr.
(39.71922, -104.88740) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.6172 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		300 North / Seven Peaks Blvd.
(40.23737, -111.63750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7337 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 ICD estimated from Google Maps linework.
Killingworth, CT
Middledex Co.
United States 		Rte. 80 / Rte. 81
(41.35801, -72.56517) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		1997 First rotary modification in Connecticut. 21442
Madison, WI
Dane Co.
United States 		Kendall Ave. / Grand Ave.
(43.07145, -89.43156) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1997
Carmel, IN
Hamilton Co.
United States 		River Rd. / East 131st St. / Longest Dr.
(39.97910, -86.05145) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		1997 First roundabout in Carmel.
Boulder, CO
Boulder Co.
United States 		St. Johns St. / New Haven Ct. (Hampton Circle)
(40.04742, -105.24740) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.5996 		Other (At-Grade)
Single-Lane 		1997 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Glen Isle Dr. / Buckingham Cir.
(40.43580, -105.10680) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
64.5421 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Trotter Rd. / South Wind Cir.
(39.20956, -76.91891) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.1353 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework.
Fort Pierce, FL
St. Lucie Co.
United States 		Avenue A / N Indian River Dr.
(27.44907, -80.32326) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6165 		Other (At-Grade)
Single-Lane 		1997 http://www.walkinginfo.org/pedsafe/casestudy.cfm?CS_NUM=14. Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		La Loma / James St. / G St.
(37.64360, -120.98740) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.0452 		Other (At-Grade)
Single-Lane 		1997 Permanent installation with landscaping in place Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Pearl, MS
Rankin Co.
United States 		MS 475 (Airport Rd.) / Old Brandon Rd.
(32.29057, -90.07133) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.3273 		Other (At-Grade)
Single-Lane 		1997 Use of paint to achieve (?) deflection. ICD estimated from Google Maps linework.
Gorham, ME
Cumberland Co.
United States 		US 202 / Rte. 4 / Rte. 237
(43.72846, -70.42525) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0285 		Other (At-Grade)
Single-Lane 		1997 Previously controlled by two-way stop ICD estimated from Google Maps linework.
(unincorporated), MD
Prince Georges Co.
United States 		Ft. Washington Rd. / Swan Creek Rd.
(38.72498, -77.00491) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1576 		Other (At-Grade)
Single-Lane 		1997 Fourth leg added. Year Completed estimated (before 2001). ICD estimated from Google Maps linework.
Manchester, VT
Bennington Co.
United States 		Rte. 7A / Equinox (Grand Union)
(43.17309, -73.06181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1304 		Other (At-Grade)
Single-Lane 		1997 Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 WB Ramps / North Frontage Rd.
(39.62828, -106.42120) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 EB Ramps / South Frontage Rd.
(39.62753, -106.42020) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		1997
Avon, CO
Eagle Co.
United States 		Avon Rd. / I-70 WB Ramps
(39.63782, -106.52080) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997 Highway ref. pt. 70-166.62. Raindrop shaped.
Avon, CO
Eagle Co.
United States 		Avon Rd. / I-70 EB Ramps
(39.63683, -106.52170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997 Highway ref. pt. 70-166.62. Raindrop shaped.
Avon, CO
Eagle Co.
United States 		Avon Rd. / Beaver Creek Blvd.
(39.63528, -106.52220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
68.5800 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1997 Right-turn-only lane on north leg. Elliptical shaped. Skewed intersection. ICD = 225 ft x 160 ft.
Avon, CO
Eagle Co.
United States 		Avon Rd. / Benchmark Rd.
(39.63425, -106.52220) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1997 Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. 21442
Avon, CO
Eagle Co.
United States 		Avon Rd. / US 6
(39.63110, -106.52260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1997 Highway ref. pt. 6-170.04. Right-turn-only lane on east leg.
Addison, TX
Dallas Co.
United States 		Addison Cir. / Quorum Dr.
(32.96138, -96.82592) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 .
West Palm Beach, FL
Palm Beach Co.
United States 		S. Quadrille Blvd. (El Campeon Blvd.) / Fern St.
(26.71040, -80.05505) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Replaced with TWSC 1995-1999; signalized in 2019.
Daytona Beach, FL
Volusia Co.
United States 		Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.)
(29.22941, -81.02484) 		Rotary
Removed 		All-Way Yield
Unknown 		0 Approaches
0 Driveways
42.7326 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). 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.
Davis, CA
Yolo Co.
United States 		Anderson Rd. / Alvarado Ave.
(38.56210, -121.75850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.2149 		Other (At-Grade)
Single-Lane 		1997 Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework.
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.
Bellevue, WA
King Co.
United States 		W. Lake Sammamish Pkwy. SE / Lakemont Blvd. SE
(47.56776, -122.09980) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4567 		Other (At-Grade)
Single-Lane 		1997 Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Crestone Dr. / Foothills Dr.
(40.39717, -105.13149) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1997 Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Bloomington, IL
McLean Co.
United States 		Royal Pointe Dr / Brighton Ln
(40.49004, -88.93106) 		Traffic Calming Circle
Existing 		Other
None 		4 Approaches
0 Driveways
55.4069 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Farmington, MN
Dakota Co.
United States 		Spruce St. / 12th St.
(44.63790, -93.13039) 		Other
Existing 		Unknown
None 		4 Approaches
8 Driveways
94.3320 		Other (At-Grade)
Single-Lane 		1997 No splitter islands. ICD estimated from Google Maps linework.
Redding, CA
Shasta Co.
United States 		Teton Dr. / Crescent Moon Dr. / Crescent Moon Ct.
(40.56422, -122.41552) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.5899 		Other (At-Grade)
Single-Lane 		1997 Year completed estimated (before 1998). Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework.
Orlando, FL
Orange Co.
United States 		International Pkwy. / Via Oakmont Loop
(28.75491, -81.36806) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
53.3996 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
(unincorporated), FL
St. Lucie Co.
United States 		Commerce Center Dr. / Reserve Blvd.
(27.31159, -80.42337) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.1819 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
West Boca Raton, FL
Palm Beach Co.
United States 		Yamato Rd. / Coral Ridge Dr.
(26.39248, -80.22781) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
21.3969 		Other (At-Grade)
Single-Lane 		1997 ICD estimated from Google Maps linework.
(unincorporated), FL
Hillsborough Co.
United States 		Arbor Greene Dr. / Estuary Dr.
(28.13597, -82.31768) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.5002 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
(unincorporated), FL
Hillsborough Co.
United States 		Arbor Wind Dr. / Shadow Branch Dr. / Quails Landing Ave.
(28.13926, -82.31360) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.3823 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Concentric circulatory roadway striping. ICD estimated from Google Maps linework.
(unincorporated), FL
Palm Beach Co.
United States 		Addison Reserve Blvd. / Addison Reserve Dr.
(26.43289, -80.16342) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
66.3071 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL
Palm Beach Co.
United States 		Addison Reserve Ct. / Laquila Way / Porlo Vecchio Pl.
(26.43383, -80.16724) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6395 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
(unincorporated), FL
Palm Beach Co.
United States 		Addison Reserve Dr. / Palencia Way / Trieste Pl.
(26.42726, -80.16736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.5723 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
Wellington, FL
Palm Beach Co.
United States 		Pierson Rd. / 120th Ave. S
(26.63661, -80.23650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
22.4190 		Other (At-Grade)
Single-Lane 		1997 ICD estimated from Google Maps linework.
Tallahassee, FL
Leon Co.
United States 		Planters Ridge Dr. / Virgil Rd.
(30.43500, -84.19723) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1307 		Other (At-Grade)
Single-Lane 		1997 ICD estimated from Google Maps linework.
Jacksonville, FL
Duval Co.
United States 		Deerwood Campus Pkwy. / (parking access)
(30.25647, -81.54479) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9807 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Northridge Dr. / Spooner Dr.
(39.18150, -119.74896) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
99.9997 		Other (At-Grade)
Single-Lane 		1997 Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999).
Carson City, NV
Carson City Co.
United States 		Northridge Dr. / Carriage Crest Dr.
(39.18290, -119.75077) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1994-1999).
Tampa, FL
Hillsborough Co.
United States 		S Beneficial Dr. / Harbour Passage Way
(27.93143, -82.44988) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1995-1998).
South Scottsdale, AZ
Maricopa Co.
United States 		N 76th Pl. / E Coolidge Ave.
(33.50561, -111.91667) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.1104 		Other (At-Grade)
Single-Lane 		1997 No splitter islands.
Little Rock, AR
Pulaski Co.
United States 		Wellington Village Dr. / Loyola Dr.
(34.76699, -92.43870) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		1997 Pedestrian crossings adjacent to circulatory roadway. Year Completed estimated (1994-2000).
Chesapeake Beach, MD
Calvert Co.
United States 		Harrison Blvd. / Sansbury Dr.
(38.69561, -76.55797) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-2004).
Buck Lake, FL
Leon Co.
United States 		Pedrick Rd. / Easton Glen Dr. / Countryside Dr.
(30.45227, -84.18178) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8600 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1994-1999).
Spring Hill, FL
Hernando Co.
United States 		Wexford Blvd. / Billingham Blvd.
(28.44547, -82.53505) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
73.1520 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1995-1998).
Ellicott City, MD
Howard Co.
United States 		Lancelot Cross / Butterfruit Way / Argent Path / Stardust Ln.
(39.28522, -76.90384) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002).
Chesapeake, VA
Chesapeake City
United States 		Warrington Blvd. / Great Marsh Ave.
(36.74283, -76.21173) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1998 Unstriped circulatory roadway. Year Completed estimated (1994-2002).
Marriottsville, MD
Howard Co.
United States 		Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd.
(39.31018, -76.93043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002).
Braden River, FL
Manatee Co.
United States 		Glen Eagles Crossing / Warwick Gardens Ln. / Marlow Pl. / Heathfield Ct.
(27.39999, -82.46689) 		Other
Existing 		Unknown
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		1998 Pedestrian crossing within circulatory roadway.
Bradenton, FL
Manatee Co.
United States 		96th St. E / 51st Terrace E
(27.44937, -82.44575) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		1998 No splitter islands on east and west legs. Large undefined areas on north and south legs.
Houston, TX
Harris Co.
United States 		Westwood Dr. / Huge Oaks St.
(29.79887, -95.49113) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		1998 Implemented as part of a larger neighborhood street reconstruction project that incorporated systematic traffic calming elements.
Houston, TX
Harris Co.
United States 		Westwood Dr. / Pine Chase Dr.
(29.79887, -95.48897) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		1998 Implemented as part of a larger neighborhood street reconstruction project that incorporated systematic traffic calming elements.
West Jordan, UT
Salt Lake Co.
United States 		S Cobble Ridge Dr. / W Castle Pines Way
(40.62410, -111.98247) 		Other
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
26.2883 		Other (At-Grade)
Single-Lane 		1998 No splitter islands; unmarked pedestrian crossings through circulatory roadway. ICD estimated from Google Maps linework.
Severna Park, MD
Anne Arundel Co.
United States 		East West Blvd. / Jumpers Hole Rd. / Adler Ct.
(39.10765, -76.58306) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
65.5320 		Other (At-Grade)
Single-Lane 		1998 Elliptical shape. ICD 225 ft x 200 ft. Year Completed estimated (1994-2002).
Aurora, ON
York
Canada 		Hollandview Trl. / Woodruff Crescent / Hollidge Blvd.
(44.01096, -79.45395) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.0000 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1996-2002).
Aurora, ON
York
Canada 		Hollidge Blvd. / John West Way
(44.01147, -79.45102) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.0000 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1996-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Washingtonian Blvd. / Rio Blvd.
(39.11678, -77.20122) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Washingtonian Blvd. / Washington Blvd.
(39.11773, -77.20314) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1993-2002).
Hamilton, ON
Hamilton
Canada 		Stonehenge Dr. / Thoroughbred Blvd.
(43.21655, -79.95150) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0000 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (before 2004).
Mount Pleasant, SC
Charleston Co.
United States 		Park West Blvd. / Professional Ln. / (parking)
(32.87348, -79.77707) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1995-1999).
Prince Frederick, MD
Calvert Co.
United States 		Prince Frederick Blvd. / Chapline Place Blvd.
(38.55239, -76.59551) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). Initially constructed as two-lane roundabout with concentric striped circulatory roadway. Converted to single-lane roundabout 2007-2009.
Jacksonville, FL
Duval Co.
United States 		Southside Blvd. SB Ramp / Southside Blvd. Service Rd. / Como Lake Dr.
(30.21216, -81.55235) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
34.0593 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Tallahassee, FL
Leon Co.
United States 		Heritage Park / Piney Z Plantation Rd.
(30.43901, -84.19810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0102 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.