21768 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
Sioux Falls, SD
Minnehaha Co.
United States
Career Ave. / W Nobel St.
(43.59985, -96.78073)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2008 Right-turn-only lane on north leg; added lane right-turn bypass lane on east leg. ICD estimated from Google Earth.
Modesto, CA
Stanislaus Co.
United States
Bowen Ave. / Phelps Ave.
(37.67470, -121.00600)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.6873
Other (At-Grade)
Single-Lane
2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States
Lifescapes Dr. / Grecian Ave.
(37.69840, -120.98540)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.5700
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States
Sylvan Ave. / Roselle Ave.
(37.68896, -120.93980)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.2012
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
E. Lowry Blvd. / E Fairmount Dr. / Rampart Way
(39.71718, -104.89580)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
49.6091
Other (At-Grade)
Multilane (2 Lane)
1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Chapel Hills Dr. / Graycroft
(38.97358, -104.78310)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.7125
Other (At-Grade)
Multilane (2 Lane)
2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
E. Cheyenne Mountain Blvd. / Springmeadow Dr.
(38.79132, -104.82750)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
81.9191
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Lake Ave. / Berthie Cir.
(38.79348, -104.83950)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
16.7557
Other (At-Grade)
Single-Lane
1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Lake Ave. / Old Broadmoor Rd.
(38.79479, -104.83360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.3405
Other (At-Grade)
Single-Lane
1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
N. Uinta Way / E. 6th Ave. Pkwy.
(39.72570, -104.89200)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
51.4401
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States
Curtiss Pkwy. / Royal Poinciana / Westward Dr. / Palmetto Dr.
(25.82130, -80.28160)
Other
Existing
Other
Unknown
6 Approaches
0 Driveways
83.8565
Other (At-Grade)
Multilane (3+ Lane)
On-street parking within circulatory roadway, pedestrian access to central island, yield control on circulatory roadway, some stop-controlled entries. ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States
Ponce de Leon Blvd. / Sevilla Ave. / Palermo Ave.
(25.74597, -80.25848)
Other
Existing
Unknown
Unknown
6 Approaches
0 Driveways
138.7738
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States
Pinecrest Dr. / South Dr.
(25.81530, -80.28000)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
43.0055
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States
Glendale Dr. / Beverly Dr.
(25.81348, -80.29934)
Other
Existing
Unknown
Unknown
0 Approaches
0 Driveways
33.3298
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Miami Springs, FL
Miami-Dade Co.
United States
DeSoto Dr. / Labaron Dr.
(25.81180, -80.27770)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
36.5558
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
The Villages, FL
Marion Co.
United States
Buena Vista Blvd. / Mulberry Ln.
(28.98078, -82.01563)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
70.0001
Other (At-Grade)
Multilane (2 Lane)
2001 ICD estimated from Google Maps linework.
The Villages, FL
Marion Co.
United States
Buena Vista Blvd. / Legacy Ln.
(28.97006, -82.01506)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.3341
Other (At-Grade)
Multilane (2 Lane)
2001 ICD estimated from Google Maps linework.
The Villages, FL
Marion Co.
United States
Buena Vista Blvd. / Belle Meade Cir.
(28.96300, -82.00399)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
55.3827
Other (At-Grade)
Multilane (2 Lane)
2001 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Buena Vista Blvd. / Glenview Rd. / El Camino Real
(28.95271, -82.00076)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
71.0641
Other (At-Grade)
Multilane (2 Lane)
1998 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Buena Vista Blvd. / Tall Trees Ln.
(28.92198, -82.00272)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
59.5861
Other (At-Grade)
Multilane (2 Lane)
2003 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Buena Vista Blvd. / Belvedere Blvd.
(28.91778, -81.99953)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3161
Other (At-Grade)
Multilane (2 Lane)
2003 ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Morse Blvd. / El Camino Real / Paige Pl.
(28.94803, -81.95540)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
68.9771
Other (At-Grade)
Multilane (2 Lane)
1998 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Interlake Ave. N / N 39th St.
(47.65411, -122.34130)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
14.4811
Other (At-Grade)
Unknown
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
North Stonington, CT
New London Co.
United States
Rte. 2 / Rte. 184
(41.42439, -71.86039)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
97.6142
Other (At-Grade)
Unknown
Completed 1999. Previously controlled by rotary ICD estimated from Google Maps linework.
New Castle, CO
Garfield Co.
United States
Castle Valley Blvd. / Pyramid St.
(39.57959, -107.52880)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
33.1386
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
New Castle, CO
Garfield Co.
United States
Castle Valley Blvd. / (TBD)
(39.57517, -107.52190)
Roundabout
Existing
Unknown
Unknown
2 Approaches
0 Driveways
31.2996
Other (At-Grade)
Single-Lane
1999 Facilitates U-turns. ICD estimated from Google Maps linework.
Fort Worth, TX
Tarrant Co.
United States
Bluebonnet Circle [W Biddson St. / Park Ridge Blvd. / S University Dr.]
(32.69902, -97.36044)
Other
Existing
Unknown
Unknown
6 Approaches
0 Driveways
141.7320
Other (At-Grade)
Multilane (2 Lane)
1929 .
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. 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)
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)
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)
2002 Opened September 2002. First multilane roundabout on Oregon state highway system. 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
0 Approaches
0 Driveways
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)
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)
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.
Buffalo, NY
Erie Co.
United States
Gates Circle (Delaware Ave. / Lafayette Ave.)
(42.92054, -78.86776)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
66.4699
Other (At-Grade)
Unknown
2002 Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442
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)
2000 Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Orange, CA
Orange Co.
United States
Chapman Ave. / Glassell St.
(33.78788, -117.85310)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
70.4752
Other (At-Grade)
Single-Lane
Old school traffic circle, pedestrian park in the middle, cars park along the sides. 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)
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.
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)
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.
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.
Ridgeland, MS
Madison Co.
United States
Old Agency Rd / Highland Colony Pkwy
(32.43125, -90.14893)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
47.3786
Other (At-Grade)
Multilane (2 Lane)
2004 Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector 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)
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)
2006 Part of transit-oriented development near future light-rail station 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.
Seattle, WA
King Co.
United States
26th Ave. S / S. Judkins St.
(47.59209, -122.29900)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
20.9420
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Tulsa, OK
Tulsa Co.
United States
E. Admiral Pl. / Mingo Rd.
(36.16057, -95.86876)
Rotary
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
114.7468
Other (At-Grade)
Single-Lane
Functional Class: Arterial 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.
Seattle, WA
King Co.
United States
24th Ave. S / S. Norman St.
(47.59301, -122.30120)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
41.0778
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
South 20th Drive. / (none)
(33.37556, -112.10290)
Traffic Calming Circle
Existing
Unknown
Unknown
2 Approaches
0 Driveways
16.9552
Other (At-Grade)
Single-Lane
2003 Neighborhood traffic calming. 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)
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)
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)
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)
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)
2000 Functional Class: Collector. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Henderson (Seven Hills), NV
Clark Co.
United States
Grand Hills Dr. / Rio Secoo Golf Club
(35.97713, -115.11100)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
74.4214
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector 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
Gordonsville, VA
Orange Co.
United States
James Madison Hwy / N. Main St. / Spotswood Trl.
(38.14261, -78.18947)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
31.9366
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
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)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
64.0077
Other (At-Grade)
Multilane (2 Lane)
2007 Completed 1986. Reconfigured in 2007? 21442
Salt Lake City, UT
Salt Lake Co.
United States
South Campus Dr. / Center Campus Dr.
(40.75968, -111.84490)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches)
3 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2003 Light rail runs through center of roundabout. Gates on both circulatory roadway and on east and west approaches.
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)
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 East / Pioneer Rd
(40.52518, -111.85340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.2212
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
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
550 West / 1950 North
(40.26043, -111.66600)
Other
Existing
Unknown
Unknown
5 Approaches
0 Driveways
21.8738
Other (At-Grade)
Single-Lane
Within parking lot; not fully developed as roundabout. Functional Class: Local 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.
Encinitas, CA
San Diego Co.
United States
Leucadia Blvd / Hermes Ave
(33.06482, -117.30010)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
18.0164
Other (At-Grade)
Single-Lane
2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Normal, IL
McLean Co.
United States
Beaufort St. / North St.
(40.50929, -88.98440)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Single-Lane
2009 Both a traffic solution and centerpiece for significant downtown redevelopment. Pedestrian access to central island. Completed Fall 2009. https://www.landscapeperformance.org/case-study-briefs/uptown-normal-circle-and-streetscape
Amelia Island, FL
Nassau Co.
United States
SR A1A / Beach Lagoon Rd.
(30.55541, -81.44933)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2001 Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
The Villages, FL
Sumter Co.
United States
Buena Vista Blvd. / Old Mill Run
(28.90720, -81.98250)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
57.5036
Other (At-Grade)
Multilane (2 Lane)
2003 Bypass lane for southbound through movement in addition to two entry lanes. ICD estimated from Google Maps linework.
The Villages, FL
Sumter Co.
United States
Morse Blvd. / Mariposa Way / Mission Hills Run
(28.91829, -81.96940)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.4974
Other (At-Grade)
Multilane (2 Lane)
2003 ICD estimated from Google Maps linework.
London, ON
Middlesex County
Canada
Lambton Dr. / Oxford Dr.
(43.00616, -81.27515)
Traffic Calming Circle
Existing
Unknown
Unknown
5 Approaches
0 Driveways
38.4291
Other (At-Grade)
Single-Lane
Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Amelia Island, FL
Nassau Co.
United States
Beach Walker Rd. / Beachwood Rd.
(30.55425, -81.44608)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
159.4166
Other (At-Grade)
Single-Lane
2005 Functional Class: Local ICD estimated from Google Maps linework.
Seward, NE
Seward Co.
United States
7th St. / 6th Ave. / 8th Ave.
(40.91742, -97.10029)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
37.9050
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Brookfield, IL
Cook Co.
United States
Grand Blvd. / Washington St.
(41.82755, -87.85150)
Other
Existing
Unknown
Unknown
8 Approaches
0 Driveways
41.8281
Other (At-Grade)
Single-Lane
I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States
E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd.
(37.05999, -113.58560)
Roundabout
Existing
All-Way Yield
None
6 Approaches
0 Driveways
78.1526
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2006 Combines interchange ramps and frontage road. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
21st Ave. E / E. Republican St.
(47.62320, -122.30470)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
5.6349
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Advance, NC
Davie Co.
United States
NC 801 / I-40 EB Ramps
(36.00655, -80.44083)
Roundabout
Removed
All-Way Yield
None
3 Approaches
0 Driveways
17.3907
Freeway Ramps (Grade-Separated)
Single-Lane
2002 Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Clemmons, NC
Forsyth Co.
United States
Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout)
(36.07380, -80.39124)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9598
Other (At-Grade)
Single-Lane
2002 Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Willimantic, CT
Windham Co.
United States
Eastern Rd. / (driveway) (ECSU Campus by clock tower)
(41.72001, -72.21691)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.0693
Other (At-Grade)
Single-Lane
1999 Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Stafford Springs, CT
Tolland Co.
United States
Rte 32 / Rte 190
(41.95362, -72.30314)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.6523
Other (At-Grade)
Multilane (2 Lane)
1890 Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
Happy Valley Rd. / I-17 NB Ramps
(33.71291, -112.11477)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
64.0077
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2020 Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442
Phoenix, AZ
Maricopa Co.
United States
Happy Valley Rd. / I-17 SB Ramps
(33.71292, -112.12019)
Roundabout
Removed
All-Way Yield
None
3 Approaches
0 Driveways
62.4840
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2020 Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442
Little Rock, AR
Pulaski Co.
United States
36th St. / Romine Rd. / West Rd.
(34.72098, -92.38181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.5782
Other (At-Grade)
Single-Lane
2001 Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Arapahoe Ave. / 4th St.
(40.01294, -105.29160)
Traffic Calming Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Boulder, CO
Boulder Co.
United States
Arapahoe Ave. / 5th St.
(40.01295, -105.28920)
Traffic Calming Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Boulder, CO
Boulder Co.
United States
Balsam Ave. / 14th St.
(40.02675, -105.27840)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
16.4619
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.