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
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
103.6320
Other (At-Grade)
Single-Lane
Yield signs added 1999?
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.
Lakewood, CO
Jefferson Co.
United States
S. Allison Pkwy. / W. Virginia Ave.
(39.70705, -105.08390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
1 Driveways
33.9964
Other (At-Grade)
Single-Lane
2000 Functional Class: Local ICD estimated from Google Maps linework.
Westminster, CO
Adams Co.
United States
Promenade Dr. S. / (TBD)
(39.89188, -105.06330)
Traffic Calming Circle
Existing
Unknown
Unknown
2 Approaches
0 Driveways
20.1598
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Oskaloosa, IA
Mahaska Co.
United States
Hwy 432 / Old Hwy 163 / Pella Ave. / Orchard Ave.
(41.30376, -92.66716)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.8882
Other (At-Grade)
Single-Lane
2004 Completed April 2004. Site has sunken hole in central island with tunnels for bike path that passes under circulatory roadway. Experienced two single-vehicle crashes into sunken central island (alcohol-related). ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States
First St. / I-135 Ramps
(38.04250, -97.32240)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
65.8419
Freeway Ramps (Grade-Separated)
Single-Lane
2003 Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States
W. 141st St. / Bluejacket St.
(38.87130, -94.71130)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.6150
Other (At-Grade)
Single-Lane
2001 Functional Class: Local ICD estimated from Google Maps linework.
Duxbury, MA
Plymouth Co.
United States
Lincoln St. / Congress St.
(42.05532, -70.72294)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
21.2829
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Arundel Mills Blvd. / MD 295 NB Ramps
(39.15573, -76.74459)
Roundabout
Removed
All-Way Yield
None
3 Approaches
0 Driveways
26.8575
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2002 ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Arundel Mills Blvd. / MD 295 SB Ramps
(39.15677, -76.74617)
Roundabout
Removed
All-Way Yield
None
2 Approaches
0 Driveways
66.6797
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2002 ICD estimated from Google Maps linework.
Jessup, MD
Howard Co.
United States
Canine Rd. / MD 32 EB Ramps
(39.10101, -76.76953)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.0005
Freeway Ramps (Grade-Separated)
Single-Lane
2001 ICD estimated from Google Maps linework.
Mount Aetna, MD
Washington Co.
United States
MD 66 (Mapleville Rd.) / Mount Aetna Rd.
(39.60243, -77.62425)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1703
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
Hopkins-Gorman Rd. / US 29 NB Ramps
(39.15846, -76.88660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
59.2695
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 ICD estimated from Google Maps linework.
Medford, MN
Steele Co.
United States
CR 12 / I-35 SB Ramps
(44.17364, -93.26057)
Roundabout
Existing
All-Way Yield
None
6 Approaches
0 Driveways
67.6722
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Maplewood, MN
Ramsey Co.
United States
Frost Ave. / English St.
(44.99927, -93.04572)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5374
Other (At-Grade)
Single-Lane
2002 Completed October 2002. Twenty-year ADT is 15,000. ICD estimated from Google Maps linework.
Stillwater, MN
Washington Co.
United States
Rutherford Rd. / 72nd St. / New England Pl. (School House Circle)
(45.05673, -92.85909)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
55.6830
Other (At-Grade)
Single-Lane
1999 Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Ashworth Ave. N / N 38th St.
(47.65269, -122.34020)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
160.1009
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Rochester, MN
Olmsted Co.
United States
College Dr. SE / College Pkwy. SE (north)
(44.01949, -92.42918)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Single-Lane
2000
Rochester, MN
Olmsted Co.
United States
UCR Dr. SE / Ucr Pkwy SE (south)
(44.01538, -92.43011)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.3809
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Blair, NE
Washington Co.
United States
NE 133 / US 30
(41.51842, -96.14633)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.1353
Other (At-Grade)
Single-Lane
2004 Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NE 15th St. / Bear Creek Rd.
(44.05150, -121.28400)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.9018
Other (At-Grade)
Single-Lane
2005 Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Awbrey Rd. / NW Sonora Dr.
(44.07240, -121.31750)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.0262
Other (At-Grade)
Single-Lane
Older design. Fourth leg is stub. 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.
Orem, UT
Utah Co.
United States
E 850 North / N Palisade Dr.
(40.31273, -111.66490)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.4997
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Burke Ave. N / N 35th St.
(47.64919, -122.33510)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
9.6550
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Lindon, UT
Utah Co.
United States
400 South / 600 West (Lindon Park Circle)
(40.33034, -111.73140)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
33.6873
Other (At-Grade)
Multilane (2 Lane, unspecified)
2001 Date estimated. ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States
1730 North / 1740 West
(40.25703, -111.68890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.3437
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Promenade Dr. / Royal Pine Dr.
(38.96891, -104.74860)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.2859
Other (At-Grade)
Single-Lane
2004 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.
Provo, UT
Utah Co.
United States
1700 North / 1730 North / 1500 West
(40.25650, -111.68530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.4324
Other (At-Grade)
Single-Lane
1998 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.
Provo, UT
Utah Co.
United States
5000 North / Edgewood Dr.
(40.30066, -111.65750)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
19.1282
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States
Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods)
(40.29899, -111.65785)
Other
Removed
All-Way Yield
None
3 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2010 Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall.
Latham, NY
Albany Co.
United States
Latham Circle: Rte 2 / Rte 9
(42.74810, -73.76098)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
76.2000
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2002
Nashua, NH
Hillsborough Co.
United States
SR 130 (Broad St.) / Coburn Ave. / Chuck Drudging Dr.
(42.75617, -71.51653)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.0619
Other (At-Grade)
Single-Lane
2002 Entrance to north high school, very heavy traffic in AM peak. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
25th Ave. S / S Dearborn St.
(47.59556, -122.30010)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
Unknown
0 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2006
Seattle, WA
King Co.
United States
26th Ave. S / S. Dearborn St.
(47.59555, -122.29880)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
48.3244
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Mt. Washington Dr. / NW Skyliners Rd.
(44.05369, -121.35490)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.3425
Other (At-Grade)
Single-Lane
2005 Roundabout constructed with addition of south leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Shevlin Park Rd. / Newport Ave. / College Way
(44.06240, -121.33770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.6125
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Mt. Washington Dr. / Shevlin Park Rd.
(44.06780, -121.35530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.7584
Other (At-Grade)
Single-Lane
2000 South leg on Mt. Washington Drive added as part of new development. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Mt. Washington Dr. / NW Crossing Dr.
(44.05890, -121.35670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.6144
Other (At-Grade)
Single-Lane
2000 Both roadways brand new as part of new development. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr.
(44.03860, -121.33590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.9120
Other (At-Grade)
Single-Lane
2001 Roundabout sized for ultimate conversion to double lane.
Bend, OR
Deschutes Co.
United States
SW 14th St. / SW Century Dr. / SW Simpson Ave.
(44.04790, -121.33160)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.9036
Other (At-Grade)
Single-Lane
2002 Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW 14th St. / NW Galveston Ave.
(44.05660, -121.33180)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.8991
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW 14th St. / Newport Ave.
(44.06230, -121.33170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.6126
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW 9th St. / NW Newport Ave. / NW Nashville Ave.
(44.06240, -121.32450)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.6125
Other (At-Grade)
Single-Lane
2005 Completed in August 2005. Intersection previously had five legs. Roundabout changes one leg prior to the roundabout to right in/out and redirects another leg to the roundabout. Located near Grade School on Newport Avenue. ICD estimated from Google Maps linework.
Fort Worth, TX
Tarrant Co.
United States
Benbrook Circle [US 377 / TX 183 / Camp Bowie Blvd.]
(32.71704, -97.44314)
Rotary
Existing
Other
Unknown
4 Approaches
2 Driveways
304.8000
Other (At-Grade)
Multilane (3+ Lane)
1957 Oval shape. ICD = 1000 ft x 650 ft. Circulating traffic yields to entering traffic on north leg.
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, unspecified)
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. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
Anchorage, AK
Anchorage
United States
Dowling Rd. / New Seward Hwy SB Ramps
(61.16636, -149.85780)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.1352
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2004 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States
Dowling Rd. / New Seward Hwy NB Ramps
(61.16637, -149.85520)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.0151
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2004 Spiral striping. ICD estimated from Google Maps linework.
Culloden, GA
Monroe Co.
United States
SR 7-US 341 / SR 74
(32.87954, -84.09019)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.1175
Other (At-Grade)
Single-Lane
2008 Functional Class: Rural ICD estimated from Google Maps linework.
Bayfield, CO
La Plata Co.
United States
CR 501 / Bayfield Center Dr.
(37.23393, -107.60191)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2001 Bayfield Center Drive is a new roadway. Completed Fall 2001.
Astoria, OR
Clatsop Co.
United States
US 101 / Hwy 202 (Nehalem Highway)
(46.18290, -123.86070)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.4797
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework.
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)
Monroe, WA
Snohomish Co.
United States
SR 522 EB Ramps / 164th St. SE / Tester Rd.
(47.84863, -122.00580)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
60.9143
Other (At-Grade)
Multilane (2 Lane, unspecified)
2001 Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework.
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, unspecified)
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, unspecified)
2000 ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States
Sheridan Rd. / Ridgeview Rd. / Dennis Ave.
(38.87270, -94.79730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.3160
Other (At-Grade)
Single-Lane
2001 Completed April 2001. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States
Sheridan Rd. / Clairborne Rd.
(38.87020, -94.79250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.3168
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Parkville, MO
Platte Co.
United States
MO 45 (Tom Watson Pkwy.) / National Dr.
(39.21016, -94.70027)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.1210
Other (At-Grade)
Single-Lane
2000 Functional Class: Arterial ICD estimated from Google Maps linework.
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.
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, unspecified)
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, unspecified)
2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States
Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd.
(39.52945, -104.87450)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.3498
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
S. Melon Ln. / W. Country Place Blvd.
(33.41839, -112.27850)
Roundabout
Existing
All-Way Yield
None
2 Approaches
2 Driveways
23.9249
Other (At-Grade)
Single-Lane
2004 Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
Monterey Way / Peterson Rd.
(38.98607, -95.28841)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.8505
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
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, unspecified)
1995 Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Desert Primrose Ln. / Desert Marigold Ln. / Blue Willow Ln.
(36.14060, -115.32090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5093
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Desert Primrose Ln. / Spotted Leaf Ln. / Pavillion Center Dr.
(36.14070, -115.33120)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.4737
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Havenwood Ave. / Spotted Leaf Ln. / Golden Willow
(36.13300, -115.33040)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.6194
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Havenwood Ave. / Desert Marigold Ln. / Navajo Willow Ln.
(36.13360, -115.32110)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.5483
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 Functional Class: Collector. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
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)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
64.0077
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
1986 Painted spiral next to central island. Completed 1986. Reconfigured in 2007? 21442
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, unspecified)
2012 Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework.
Green Bay, WI
Brown Co.
United States
Shawano Ave. (STH 29) / Taylor St.
(44.53461, -88.07319)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
49.3783
Other (At-Grade)
Multilane (3+ Lane)
2011 Opened September 2011. ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States
1300 E / Pioneer Rd.
(40.52518, -111.85340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.2210
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2001 ICD estimated from Google Maps linework. Constructed as single-lane in 2001. Updated to 2x1 in 2023. https://www.draperjournal.com/2023/09/07/464782/roundabout-reopens-early-with-revised-traffic-pattern
Orem, UT
Utah Co.
United States
1200 South / 400 West
(40.27531, -111.70480)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
30.9811
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States
300 East / 12200 South
(40.52863, -111.88180)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.2193
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.