12813 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search
Advanced Search Export as KML
City, State
County
Country
Intersection
(Lat, Lng)
Type
Status
Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType
Year Completed Comments
Lawrence, KS
Douglas Co.
United States
McDonald Dr. / I-70 WB Ramps
(38.99075, -95.25724)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
66.8368
Freeway Ramps (Grade-Separated)
Single-Lane
2008 Opened November 2008. Replaced trumpet interchange. ICD estimated from Google Maps linework.
Winnipeg, MB
Winnipeg Capital Region
Canada
Waterfront Dr. / (no other legs)
(49.90133, -97.12789)
Roundabout
Existing
Unknown
Unknown
2 Approaches
0 Driveways
28.4631
Other (At-Grade)
Unknown
2003 ICD estimated from Google Maps linework.
Quebec, QC
Capitale-Nationale Region
Canada
Ave. Honore-Mercier / Place de l'Assemblee
(46.80959, -71.21263)
Other
Existing
Other
None
2 Approaches
0 Driveways
40.8714
Other (At-Grade)
Single-Lane
Fountain in central island added in August 2007. ICD estimated from Google Maps linework.
Winchester, VA
Frederick Co.
United States
Airport Rd. / Victory Rd.
(39.13417, -78.13571)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
32.4242
Other (At-Grade)
Single-Lane
2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
New Car Dr. / parking lot
(38.93777, -104.73750)
Other
Existing
Unknown
None
2 Approaches
0 Driveways
43.6622
Other (At-Grade)
Single-Lane
Serves retail shopping center. ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States
Maplewood Dr. / McKnight Dr.
(35.79656, -78.48228)
Other
Existing
All-Way Yield
None
2 Approaches
0 Driveways
33.9052
Other (At-Grade)
Single-Lane
2000 Functional Class: Collector 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)
2002 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.
Westminster, CO
Adams Co.
United States
Promenade Dr. S. / (TBD)
(39.89188, -105.06330)
Neighborhood Traffic Circle
Existing
Unknown
Unknown
2 Approaches
0 Driveways
20.1598
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
SW Reed Market Dr. / (no cross street)
(44.04080, -121.32790)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
32.6244
Other (At-Grade)
Single-Lane
2004 No cross street, but U-turns allowed. ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States
Watermill Rd. / Watermill Rd.
(37.75548, -121.90970)
Other
Existing
Unknown
Unknown
2 Approaches
0 Driveways
31.1610
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Marvin Rd. NE / Main St. NE
(47.06709, -122.76828)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane)
2000 Roundabout installed, although cross street not initially constructed.
Boulder, CO
Boulder Co.
United States
Pearl St. / Mid-Block
(40.01501, -105.29390)
Neighborhood Traffic Circle
Existing
Unknown
None
2 Approaches
0 Driveways
16.4647
Other (At-Grade)
Single-Lane
Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework.
Lafayette, LA
Lafayette Par.
United States
Settlers Trace / River Ranch Dr.
(30.17073, -92.03625)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
42.3339
Other (At-Grade)
Multilane (2 Lane)
2001 This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
South 20th Drive. / (none)
(33.37556, -112.10290)
Neighborhood Traffic 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.
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.
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.
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.
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.
Bayfield, CO
La Plata Co.
United States
CR 501 / Bayfield Center Drive
(37.23389, -107.60210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.1830
Other (At-Grade)
Single-Lane
2001 Bayfield Center Drive is a new roadway. Completed Fall 2001. Functional Class: Arterial ICD estimated from Google Maps linework.
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.
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.
Quebec, QC
Capitale-Nationale Region
Canada
Rue de la Rive-Boisee N / Rue du Baumier
(46.83577, -71.32956)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.0000
Other (At-Grade)
Single-Lane
No splitter islands. 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.
Greeley, CO
Weld Co.
United States
Promontory Cir. / W. 18th St.
(40.40869, -104.85120)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.4670
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
W. 18th St. / unknown
(40.41203, -104.85840)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.5558
Other (At-Grade)
Multilane (2 Lane)
2004 Part of 6 in vicinity. ICD estimated from Google Maps linework.
Garnett, KS
Harvey Co.
United States
US 59 / US 169
(38.25832, -95.24861)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.8910
Other (At-Grade)
Single-Lane
2006 None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States
Kimball Ave. / Grand Mere Pkwy.
(39.20168, -96.63786)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.3931
Other (At-Grade)
Single-Lane
2000 Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
Sunflower Park Rd / Inverness Dr
(38.93745, -95.29810)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
111.4785
Other (At-Grade)
Single-Lane
2001 Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
Promontory Cir. / Con Agra Dr.
(40.41138, -104.85200)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.6468
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Peoria, AZ
Maricopa Co.
United States
N Sunrise Point / Sunset Point
(33.75302, -112.33080)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
75.4690
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
(unincorporated), OR
Washington Co.
United States
NW Verboort Rd. / Cornelius-Shefflin Rd.
(45.55150, -123.06410)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
52.6900
Other (At-Grade)
Single-Lane
2003 Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
24th Pl. / Crossgate Dr.
(38.94130, -95.28875)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
26.9392
Other (At-Grade)
Single-Lane
2001 Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
Promontory Cir. / W. 11th St.
(40.41889, -104.84990)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.2801
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States
C St. / O'Malley EB Ramps
(61.12273, -149.88630)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.5659
Other (At-Grade)
Multilane (2 Lane)
2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States
C St. / O'Malley WB Ramps
(61.12404, -149.88630)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.2943
Other (At-Grade)
Multilane (2 Lane)
2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
Plum Creek Dr. / Piney River Dr.
(40.41253, -105.01850)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.0994
Other (At-Grade)
Single-Lane
2001 Functional Class: Local ICD estimated from Google Maps linework.
Paradise Valley, AZ
Maricopa Co.
United States
Indian Bend Rd. / 70th St.
(33.53864, -111.92930)
Neighborhood Traffic Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.7835
Other (At-Grade)
Single-Lane
Mini-roundabout ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States
Hayden Station Rd. / Pond Rd.
(41.89371, -72.64065)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
24.0041
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Vista Run Dr. / Park Vista Dr.
(36.17820, -115.34610)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.2741
Other (At-Grade)
Single-Lane
1995 Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States
Prospect Hill Rd. / Lang Rd.
(41.89153, -72.69762)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
25.7830
Other (At-Grade)
Single-Lane
1998 Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
N. Marshall Way / E. 5th Ave.
(33.49802, -111.92900)
Other
Existing
All-Way Stop
None
3 Approaches
0 Driveways
23.9030
Other (At-Grade)
Single-Lane
Stop controlled. ICD estimated from Google Maps linework.
Prescott, AZ
Yavapai Co.
United States
SR 89 / Willow Lake Rd.
(34.59233, -112.42580)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
59.9743
Other (At-Grade)
Multilane (2 Lane)
2006 ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada
Bayview Rd. / Slidell St. / Burnside Ave.
(45.40958, -75.72880)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.5384
Other (At-Grade)
Single-Lane
2010 Functional Class: Collector ICD estimated from Google Maps linework.
Eugene, OR
Lane Co.
United States
Barger Dr. / Green Hill Rd.
(44.08470, -123.20830)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.6002
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
Monterey Way / Harvard Rd.
(38.96400, -95.28833)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
15.7869
Other (At-Grade)
Single-Lane
1999 Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
West Campus Rd. / Jayhawk Blvd. / Crescent Rd.
(38.95905, -95.25105)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.7185
Other (At-Grade)
Single-Lane
2013 Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework.
Coventry, CT
Tolland Co.
United States
Daly Rd. / South St.
(41.76721, -72.33688)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.9424
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / E. San Pablo Dr.
(33.56833, -111.89350)
Neighborhood Traffic Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
49.7573
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Tallahassee, FL
Leon Co.
United States
Sutor Road / Old Sutor Road
(30.42957, -84.21212)
Neighborhood Traffic Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
16.4770
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States
Cradlerock Way / Homespun Dr.
(39.19095, -76.83787)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.2158
Other (At-Grade)
Single-Lane
2001 Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
West End Rd. / Spear Ave. / Saint Louis Rd.
(40.88910, -124.08210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.0866
Other (At-Grade)
Single-Lane
1998 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Guintoli Ln. / US 101 SB Ramps
(40.90400, -124.08920)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.7180
Freeway Ramps (Grade-Separated)
Single-Lane
2005 ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Guintoli Ln. / US 101 NB Ramps
(40.90492, -124.08510)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.3015
Freeway Ramps (Grade-Separated)
Single-Lane
2005 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
Florida Rd. / Riverview Dr.
(37.28319, -107.86900)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4086
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
(Mercy Regional Medical Center ring road) / (unknown)
(37.23677, -107.82050)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.2308
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Quimby St.
(45.53328, -122.70277)
Neighborhood Traffic Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
15.8958
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Port Orchard, WA
Kitsap Co.
United States
Mile Hill Dr. (Hwy 166) / Bethel Ave.
(47.53467, -122.62730)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.7045
Other (At-Grade)
Single-Lane
1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States
Rte 67 (Dunning St.) / I-87 NB Ramps
(42.97052, -73.80057)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.9470
Other (At-Grade)
Multilane (2 Lane)
2006 Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States
Monterey Ave. / Causey Ave. / William Otty Rd.
(45.44020, -122.55510)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.7102
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States
Rte 67 (Dunning St.) / I-87 SB Ramps
(42.97027, -73.80322)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.5689
Other (At-Grade)
Multilane (2 Lane)
2006 Part of a series of 5 roundabouts. 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.
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
53.7308
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2011 Series of 6 roundabouts. Opened September 2011. ICD estimated from Google Maps linework.
Decatur, GA
DeKalb Co.
United States
N. Decatur Rd. / Lullwater Rd.
(33.78700, -84.32900)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
90.3283
Other (At-Grade)
Single-Lane
2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
Jenkins Ranch Rd. / Ophir Dr.
(37.28321, -107.85120)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
26.6075
Other (At-Grade)
Single-Lane
2004 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
Banneker Rd. / Cul-de-sac
(39.21141, -76.87041)
Neighborhood Traffic Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
17.5824
Other (At-Grade)
Single-Lane
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.
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.
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.
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.
Durango, CO
La Plata Co.
United States
Jenkins Ranch Rd. / Lizard Head (south)
(37.28605, -107.84710)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
24.7061
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
Jenkins Ranch Rd. / Lizard Head (north)
(37.28920, -107.84310)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
27.5556
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
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
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
34.0049
Other (At-Grade)
Multilane (2 Lane)
1999 ICD estimated from Google Maps linework.
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.
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
Snowden River Pkwy. / MD 100 WB Ramps
(39.21233, -76.79544)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
25.9105
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. Metering signal on Snowden River Pkwy approach. 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
37.0085
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
1999 ICD estimated from Google Maps linework.
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
33.1108
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
1997 Highway ref. pt. 70-166.62. Raindrop-shaped central island. ICD estimated from Google Maps linework.
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
36.7903
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
1997 Highway ref. pt. 70-166.62. Previously controlled by two-way stop ICD estimated from Google Maps linework.
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
44.3491
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2011 Series of 6 roundabouts. Opened September 2011. Circular central island. 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.
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
23.6896
Other (At-Grade)
Single-Lane
1994 ICD estimated from Google Maps linework.
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.
Short Pump, VA
Goochland Co.
United States
Capitol One Dr. / (unknown)
(37.62693, -77.66927)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
37.8365
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Okemos, MI
Ingham Co.
United States
Hamilton Rd. / Marsh Rd.
(42.71625, -84.42687)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.8350
Other (At-Grade)
Multilane (2 Lane)
2000 ICD estimated from Google Maps linework.
Dimondale, MI
Eaton Co.
United States
East Rd. / Creyts Rd.
(42.64743, -84.64275)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.6250
Other (At-Grade)
Mini-roundabout
2001 British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
5th St. / Cantrill Dr.
(38.55160, -121.72010)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.9547
Other (At-Grade)
Single-Lane
1998 Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Moore Blvd. / Rockwell Dr.
(38.56830, -121.72630)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.2127
Other (At-Grade)
Single-Lane
1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Moore Blvd. / Wright Blvd.
(38.56490, -121.71860)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.2801
Other (At-Grade)
Single-Lane
1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
Columbia Park Drive #1
(46.22221, -119.15110)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.8367
Other (At-Grade)
Single-Lane
2001 Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
Columbia Park Drive #2
(46.22223, -119.14630)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
54.5366
Other (At-Grade)
Single-Lane
2001 Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework.
Juneau, AK
Juneau
United States
Douglas Hwy / North Douglas Hwy
(58.29718, -134.43280)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.9134
Other (At-Grade)
Single-Lane
2005 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Town and Country, MO
St. Louis Co.
United States
MO 141 SB Ramps / Woods Mill Rd.
(38.63523, -90.51449)
Roundabout
Existing
Unknown
Unknown
3 Approaches
0 Driveways
38.2503
Other (At-Grade)
Single-Lane
2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Oak Grove, MD
Prince Georges Co.
United States
MD 193 (Watkins Park Dr.) / Oak Grove Rd.
(38.87737, -76.78108)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.1207
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.