28735 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
Saint Clair, OH
Butler Co.
United States
Wayne Madison Rd. / Trenton Rd.
(39.47196, -84.47733)
Roundabout
Existing
All-Way Yield
Other
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Multilane (2 Lane, unspecified)
2021 Egg shaped. ICD = 205 ft x 180 ft. Railroad crossing approximately 900 feet to south with railroad queue detection on south leg of roundabout to limit roundabout blockage.
Shah Alam, Selangor
Petaling
Malaysia
Persiaran Elmina / Persiaran Metafasa
(3.17756, 101.50959)
Unknown
Existing
Unknown
Other
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Newberg, OR
Yamhill Co.
United States
Werth Blvd. / (parking)
(45.30006, -122.93940)
Other
Existing
Uncontrolled
Other
2 Approaches
1 Driveways
0.0000
Other (At-Grade)
Single-Lane
Raised crosswalk, near community college, 3rd leg is access to parking lot.
Garland, TX
Dallas Co.
United States
Mars Dr. / Cedar Brook Dr.
(32.94053, -96.61880)
Traffic Calming Circle
Existing
All-Way Yield
Other
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2002 Year Completed estimated (2001-2003).
Eslöv, Skåne County
Eslöv
Sweden
Östra vägen / Rte 17 (Ringsjövägen)
(55.84192, 13.32753)
Roundabout
Existing
All-Way Yield
Other
4 Approaches
0 Driveways
67.0000
Other (At-Grade)
Single-Lane
2000 Grade-separated bicycle/pedestrian path. Year Completed estimated (1985-2007).
Haymarket, VA
Prince William Co.
United States
Bowers Hill Dr. / Gaines Mill Cir.
(38.83987, -77.63056)
Roundabout
Existing
All-Way Yield
Other
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2010 Constructed as circular intersection without splitter islands 2003-2005. Splitter islands added 2009-2011.
Annemasse, Auvergne-Rhône-Alpes
Haute-Savoie
France
Avenue de Verdun / Avenue de Leman
(46.18286, 6.24087)
Signalized Roundabout/Circle
Existing
All-Way Yield
Other
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Median-running bus-only lane on north leg can make left turn at roundabout using signal-controlled bus-only lane through central island.
Traverse City, MI
Grand Traverse Co.
United States
Keystone Rd. N / Cass Rd.
(44.69811, -85.61832)
Roundabout
Existing
All-Way Yield
Other
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2022 Railroad crossing on east leg 65 ft from circulatory roadway; controlled by yield sign. https://www.traverseticker.com/news/keystone-road-reopens-saturday-to-two-way-traffic/
Tulcea, Tulcea

Romania
DN22-E87 (Danube Delta) / Strada Mihail Kogălniceanu / Strada Buna Vestire / Strada Progresului
(45.17621, 28.80142)
Roundabout
Existing
All-Way Yield
Other
5 Approaches
0 Driveways
Unknown
Multilane (2 Lane, 2x2 max)
(unincorporated), FL
Palm Beach Co.
United States
Lakes at Boca Raton / Cain Blvd.
(26.39603, -80.21160)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.3962
Other (At-Grade)
Single-Lane
1994 Completed November 1994. ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States
MD 94 / MD 144
(39.33700, -77.07360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
1993 First roundabout in Maryland. Built initially as temporary, made permanent after one month.
Gainesville, FL
Alachua Co.
United States
SE 7th St. / SE 4th Ave.
(29.64824, -82.31792)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-Lane
1992 Pedestrian crossings within circulatory roadway. Completed April 1992.
Fort Walton Beach, FL
Okaloosa Co.
United States
Hollywood Blvd. / Doolittle Blvd.
(30.41364, -86.66468)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.8704
Other (At-Grade)
Single-Lane
1994
Tallahassee, FL
Leon Co.
United States
Killarney Way / Shamrock Dr.
(30.51361, -84.22315)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.7810
Other (At-Grade)
Single-Lane
1994 Completed August 1994. ICD estimated from Google Maps linework.
Bradenton Beach, FL
Manatee Co.
United States
SR 789 / Bridge St.
(27.46500, -82.69847)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
14.8361
Other (At-Grade)
Single-Lane
1994 Completed August 1994. ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States
Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd.
(34.42903, -119.67720)
Roundabout
Existing
All-Way Yield
None
5 Approaches
1 Driveways
23.6427
Other (At-Grade)
Single-Lane
1992 Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States
Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal)
(33.78989, -118.14250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
137.1597
Other (At-Grade)
Multilane (2 Lane, unspecified)
1993 Traffic circle conversion. Modified in 2020 to reduce lanes. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Hualapai Way
(36.17850, -115.31770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
70.1040
Other (At-Grade)
Multilane (2 Lane, unspecified)
1990 Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Village Center Cir. / Library Hills Dr.
(36.18960, -115.30360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
91.4400
Other (At-Grade)
Multilane (2 Lane, unspecified)
1990 Completed March 1990. Modified 2010 to reduce lane configuration. 21442
Boca Raton, FL
Palm Beach Co.
United States
SW 18th St. / Juana Rd. (SW 12th Ave.)
(26.33206, -80.11059)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1985).
Vail, CO
Eagle Co.
United States
Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd.
(39.64477, -106.37770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Multilane (2 Lane, unspecified)
1995 Raindrop-shaped central island.
Vail, CO
Eagle Co.
United States
Vail Rd. / I-70 EB Ramps / South Frontage Rd.
(39.64355, -106.37810)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
59.4360
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1995 Completed October 1995. Circular central island.
Lothian, MD
Anne Arundel Co.
United States
MD 2 / MD 408 / MD 422
(38.82973, -76.61590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.8423
Other (At-Grade)
Single-Lane
1995 Completed October 1995. ICD estimated from Google Maps linework.
Elkton, MD
Cecil Co.
United States
MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle)
(39.66364, -75.85529)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.0178
Other (At-Grade)
Single-Lane
1995 Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework.
Cearfoss, MD
Washington Co.
United States
MD 63 / MD 58 / MD 494 (Cearfoss Pike)
(39.70017, -77.77593)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
1995 Completed December 1995.
Towson, MD
Baltimore Co.
United States
MD 45 / MD 146 / Joppa Rd. / Allegheny Ave.
(39.40185, -76.60230)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
47.9892
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
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.
Naples, FL
Collier Co.
United States
7th St. N. / 3rd Ave. N.
(26.15530, -81.80524)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
9.6483
Other (At-Grade)
Single-Lane
1998 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework.
Clovis, NM
Curry Co.
United States
Hwy 245 (Llano Estacado Blvd.) / Norris St.
(34.43384, -103.17830)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.3276
Other (At-Grade)
Single-Lane
2006 Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm 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.
Montpelier, VT
Washington Co.
United States
Keck Circle (Main St. / Spring St.)
(44.26283, -72.57178)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.6594
Other (At-Grade)
Single-Lane
1995 Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Sarasota, FL
Sarasota Co.
United States
St. Armands Circle: SR 780 / Boulevard of the Presidents / John Ringling Blvd.
(27.31842, -82.57722)
Other
Existing
Other
None
5 Approaches
0 Driveways
128.0157
Other (At-Grade)
Multilane (2 Lane, unspecified)
Pedestrian access to central island; parking along circulatory roadway. Shopping district. Completed 1940?
Sarasota, FL
Sarasota Co.
United States
South Gate Circle (Tuttle Ave. / Siesta Dr.)
(27.30536, -82.51414)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
120.9825
Other (At-Grade)
Unknown
Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States
7th St. N. / 7th Ave. N.
(26.15619, -81.79971)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.5125
Other (At-Grade)
Single-Lane
1998 Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector 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.
Hollywood, FL
Broward Co.
United States
Hollywood Blvd. / Rainbow Dr.
(26.01050, -80.18360)
Other
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
274.3200
Other (At-Grade)
Multilane (2 Lane, unspecified)
Uncontrolled mainline, stop-control on side street. Building and parking in central island.
Hollywood, FL
Broward Co.
United States
Hollywood Blvd. / 26th Ave.
(26.01110, -80.15920)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
200.7172
Other (At-Grade)
Multilane (2 Lane, unspecified)
Signal access to parking and building in center of circle. ICD estimated from Google Maps linework.
Hollywood, FL
Broward Co.
United States
Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St.
(26.01150, -80.14300)
Signalized Roundabout/Circle
Existing
Signal
None
7 Approaches
0 Driveways
70.8411
Other (At-Grade)
Multilane (2 Lane, unspecified)
Signalized access, parking area in central island. ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States
Chandon Dr. / Calero Dr.
(37.67642, -120.93380)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4132
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States
Bowen Ave. / Fremont Ave.
(37.67470, -121.00260)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.9061
Other (At-Grade)
Single-Lane
2002 Previously controlled by twsc ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States
S. Dixie Hwy / SR 76 / SR A1A
(27.19767, -80.25266)
Other
Existing
Other
None
0 Approaches
0 Driveways
26.5569
Other (At-Grade)
Multilane (2 Lane, unspecified)
Railroad crossing next to circle. ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States
N. Colorado Ave. / E. Osceola St.
(27.19860, -80.25300)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.9303
Other (At-Grade)
Single-Lane
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 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.
Nederland, CO
Boulder Co.
United States
SH 72 / SH 119 / 2nd St. / Bridge St.
(39.96261, -105.51030)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
23.8006
Other (At-Grade)
Single-Lane
1995 Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
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.
Winston-Salem, NC
Forsyth Co.
United States
Salem Rd. / Old Salem Rd. / S. Main St.
(36.08215, -80.24125)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
64.0080
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2005 TIP Project U-2926. Right-turn-only lanes on east and west legs.
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.
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.
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.
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.
De Pere, WI
Brown Co.
United States
Scheuring Rd. (CTH F) / US 41 NB Ramps
(44.43074, -88.10989)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
53.3400
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max)
2011 Series of 6 roundabouts. Yield-controlled right-turn bypass lane on south leg; merging right-turn bypass lane on east leg. Opened September 2011. Circular central island.
Acworth-Kennesaw, GA
Cobb Co.
United States
W Sandtown Rd. / Villa Rica Rd.
(33.92703, -84.63775)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2008
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
770.9968
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
67.0560
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
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.
Cottonwood, AZ
Yavapai Co.
United States
AZ 89A / Verde Heights Dr.
(34.73999, -112.03740)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2009 Series of 5 roundabouts.
Oshkosh, WI
Winnebago Co.
United States
CTH E (Witzel Ave.) / Koeller St.
(44.01805, -88.58098)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2010 Opened September 24, 2010.
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.
Phoenix, AZ
Maricopa Co.
United States
S. Pointe Pkwy. W / S. Pointe Pkwy. E
(33.37649, -111.97210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
50.8650
Other (At-Grade)
Single-Lane
1994 Before 1997. ICD estimated from Google Maps linework.
Douglasville, GA
Douglas Co.
United States
SR 5 / SR 166
(33.61361, -84.83688)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8602
Other (At-Grade)
Single-Lane
2007 Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework.
(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.
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.
De Pere, WI
Brown Co.
United States
Scheuring Rd. (CTH F) / US 41 SB Ramps
(44.43050, -88.11402)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
56.3880
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2011 Series of 6 roundabouts. Opened September 2011.
Catonsville, MD
Baltimore Co.
United States
MD 372 / Hilltop Rd. / Entrance to UMBC
(39.25733, -76.71964)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.1417
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector 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.
Ellicott City, MD
Howard Co.
United States
MD 103 / MD 100 WB Ramps
(39.20846, -76.78294)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.3154
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 103 / MD 100 EB Ramps
(39.20733, -76.78243)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.5396
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. ICD estimated from Google Maps linework.
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.
Portland, OR
Multnomah Co.
United States
SE Ladd Circle
(45.50850, -122.64940)
Other
Existing
Unknown
None
0 Approaches
0 Driveways
92.0689
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Cedar Lake Township, MN
Scott Co.
United States
SH 13 (Langford Ave.) / CR 2 (260th St.)
(44.57259, -93.50546)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.9429
Other (At-Grade)
Single-Lane
2005 Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Rainier, MD
Prince Georges Co.
United States
US 1 / 34th St. / Perry St.
(38.93647, -76.96074)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
41.1480
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2001 Oval shaped. ICD = 135 ft x 115 ft.
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.
Copley Township, OH
Summit Co.
United States
Ridgewood Rd. / Hametown Rd.
(41.11395, -81.66791)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.1947
Other (At-Grade)
Single-Lane
2006 Opened August 21, 2006. ICD estimated from Google Maps linework.
Decatur, GA
DeKalb Co.
United States
N Decatur Rd. / Lullwater Rd.
(33.78744, -84.32914)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2004
Huntsville, AL
Madison Co.
United States
Old Monrovia Rd. / Providence Main St. / Indian Creek Rd.
(34.75765, -86.68776)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.3429
Other (At-Grade)
Single-Lane
2004 Single-lane with right-turn only lanes. Built as staged construction with potential to be multilane. ICD estimated from Google Maps linework.
Camp Verde, AZ
Yavapai Co.
United States
Middle Verde / Cliff Castle
(34.60927, -111.86130)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.3535
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States
Grant St. (CTH EE) / Lawrence Dr.
(44.44511, -88.09367)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.8430
Other (At-Grade)
Single-Lane
2008 Opened September 30, 2008. ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States
Donner Pass Rd. / W. River St. / McIver Crossing
(39.32510, -120.19200)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.1077
Other (At-Grade)
Single-Lane
1998 Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Dawsonville, GA
Dawson Co.
United States
SR 9E (Lumpkin Campground Rd.) / SR 318 (Dawson Forrest Rd.)
(34.35427, -84.05168)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2006
Oakwood, GA
Hall Co.
United States
Landrum Education Dr. / Frontage Rd. / Mathis Dr.
(34.23434, -83.86434)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2007 Gainesville College.
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.
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.
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.
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.
Green Bay, WI
Brown Co.
United States
W. Mason St. (STH 32-STH 54) / US 41 SB Ramps
(44.52418, -88.08284)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.9811
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2012 Series of 3 roundabouts. Opened August 31, 2012. 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%).
Green Bay, WI
Brown Co.
United States
W. Mason St. (STH 32-STH 54) / US 41 NB Ramps
(44.52415, -88.08103)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
43.4266
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2012 Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States
Arbutus Dr. / Red Rocks Community College
(39.71903, -105.14840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.7465
Other (At-Grade)
Single-Lane
2001 Functional Class: Collector ICD estimated from Google Maps linework.
St. Simons, GA
Glynn Co.
United States
Frederica Rd. / Lawrence Rd.
(31.21650, -81.37550)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.8563
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States
Dupont Circle (Mass Ave. / Conn. Ave. / New Hampshire Ave.19th St. / P St.)
(38.90965, -77.04344)
Signalized Roundabout/Circle
Existing
Signal
None
10 Approaches
0 Driveways
137.5441
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.