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
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.
Truckee, CA
Nevada Co.
United States
Brockway Rd. / Martis Valley Rd.
(39.32135, -120.16269)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2006
Bend, OR
Deschutes Co.
United States
Brookswood Blvd. / Powers Rd.
(44.02886, -121.32130)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.1961
Other (At-Grade)
Single-Lane
2013 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
53.3400
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max)
2006
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
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2006
Litchfield Park, AZ
Maricopa Co.
United States
W. Palmilla Blvd. / W. Alvarado Dr.
(33.46978, -112.35190)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
23.9107
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Moses Lake, WA
Grant Co.
United States
Yonezawa Blvd. / S. Division St. / W. Belmont Ave.
(47.10438, -119.27860)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.0857
Other (At-Grade)
Single-Lane
2001 Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector 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.
Columbia, MD
Howard Co.
United States
Golden Straw Ln. / Davis Rd.
(39.21597, -76.81084)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-lane w/ Traversable Central Island
2000 Completed April 28, 2000. Pedestrian ramps into circulatory roadway.
(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. / Inverness Dr.
(38.94105, -95.29808)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.0814
Other (At-Grade)
Single-Lane
2001 Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector 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
44.1960
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2004 4 roundabouts in series; 6 in vicinity.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr.
(26.53700, -80.16410)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.4660
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Peoria, AZ
Maricopa Co.
United States
N Sunrise Point / Sunset Point
(33.75294, -112.33084)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
80.7720
Other (At-Grade)
Single-Lane
2004
Greeley, CO
Weld Co.
United States
Promontory Cir. / W. 16th St.
(40.41505, -104.85090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2004 4 roundabouts in series; 6 in vicinity.
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
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2004 4 roundabouts in series; 6 in vicinity.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Treviso Ln.
(26.54100, -80.16380)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.6431
Other (At-Grade)
Single-Lane
1999 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
42.6717
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2004 4 roundabouts in series; 6 in vicinity.
Phoenix, AZ
Maricopa Co.
United States
23rd Ave. / W. Osborn Rd.
(33.48775, -112.10840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
15.9372
Other (At-Grade)
Single-Lane
2005 Small roundabout. ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
W 18th St. / Promontory Cir. / (parking)
(40.41203, -104.85840)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2004 Part of 6 in vicinity.
Phoenix, AZ
Maricopa Co.
United States
E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
16.9162
Other (At-Grade)
Single-Lane
2006 Mini-roundabout 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. / W 16th St. / (parking)
(40.41524, -104.85540)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2004 Part of 6 in vicinity.
Hutchinson, KS
Reno Co.
United States
23rd Ave. / Severence St.
(38.07940, -97.91340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.7846
Other (At-Grade)
Single-Lane
2000 Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector 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.
Newton, KS
Harvey Co.
United States
Broadway St. / I-135 Ramps
(38.05000, -97.32250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.1441
Freeway Ramps (Grade-Separated)
Single-Lane
2003 Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States
Prairie Star Pkwy / Montecello Rd.
(38.95251, -94.84398)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.0123
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Paola, KS
Miami Co.
United States
K-68 / Old Kansas City Rd. / Hedge Ln.
(38.62133, -94.85551)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
44.7895
Other (At-Grade)
Single-Lane
2001 First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States
46th St. / US 75 Ramps
(39.12934, -95.71959)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
124.9680
Freeway Ramps (Grade-Separated)
Single-Lane
2002 Roundabout under structure as part of single-point interchange. Elliptical shaped. ICD = 410 ft x 270 ft. Original intersection was at grade. Completed November 2002.
Phoenix, AZ
Maricopa Co.
United States
N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
46.7997
Other (At-Grade)
Single-Lane
2005 Mini-roundabout 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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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
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
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 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
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.
Provo, UT
Utah Co.
United States
1375 West / 820 North
(40.24470, -111.68280)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
28.2603
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States
2000 South / Sandhill Rd.
(40.26074, -111.70420)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.7220
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States
Tabernacle Rd. / Main St.
(37.10812, -113.58350)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.8119
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States
E. Brigham Rd. / I-15 NB Ramps
(37.05939, -113.58350)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.8889
Freeway Ramps (Grade-Separated)
Single-Lane
2006 Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States
Powderwood Dr. / Factory Outlet Parking
(40.72733, -111.55255)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.4374
Other (At-Grade)
Single-Lane
2000 Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States
Kilby Rd. / Factory Outlet Parking
(40.73040, -111.55040)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.3918
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 ICD estimated from Google Maps linework.
Rising Sun, MD
Cecil Co.
United States
MD 273 (Rising Sun Rd.) / MD 276 (Jacob Tome Memorial Hwy.)
(39.69595, -76.08018)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.5157
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd.
(39.32467, -77.34974)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.6619
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 Rural ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States
MD 7 / Holly Oaks Drive
(39.48848, -76.21669)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.1039
Other (At-Grade)
Single-Lane
1999 Opened September 1999. ICD estimated from Google Maps linework.
North Harford, MD
Harford Co.
United States
MD 165 / MD 24
(39.67220, -76.40930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.1750
Other (At-Grade)
Single-Lane
2000 Rural Previously controlled by two-way stop ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
N. 104th St. / E. Cholla St.
(33.58976, -111.85660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.8878
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
MD 216 / US 29 SB Ramps
(39.14562, -76.90418)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.7228
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2001 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States
MD 216 / US 29 NB Ramps / Ice Crystal Dr.
(39.14476, -76.89799)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.7234
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2001 Series of 4 roundabouts. ICD estimated from Google Maps linework.
Millington, MD
Kent Co.
United States
MD 291 / US 301 SB Ramps
(39.26463, -75.86641)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.4393
Freeway Ramps (Grade-Separated)
Single-Lane
1999 Opened August 1999. ICD estimated from Google Maps linework.
Millington, MD
Kent Co.
United States
MD 291 / US 301 NB Ramps
(39.26386, -75.86260)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6656
Freeway Ramps (Grade-Separated)
Single-Lane
1999 Opened August 1999. ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
N 70th Pl. / E Chaparral Rd.
(33.50954, -111.92900)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
2016 A traffic calming circle was completed in 2002 on what was otherwise a TWSC intersection. Roundabout constructed in 2016. On south leg there is no entry into the roundabout but instead a yield-controlled right-turn bypass lane to prevent northbound-to-westbound cut-through traffic.
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.
Temple Hills, MD
Prince Georges Co.
United States
MD 637 (Naylor Rd.) / Good Hope Ave.
(38.84922, -76.95655)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.6248
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.