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
Durham, NC
Durham Co.
United States
Glendale Ave. / Washington St.
(36.02251, -78.90046)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
34.7744
Other (At-Grade)
Single-Lane
2000 Modified circle, part of I-85 detour route. ICD estimated from Google Maps linework.
La Quinta, CA
Riverside Co.
United States
Avenida Montezuma / Avenida Navarro
(33.67616, -116.30460)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2007 Modified from former geometrics to conform to roundabout. 21442
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
Apex, NC
Wake Co.
United States
Blackburn Rd. / Orchard Villas Ave.
(35.74781, -78.86505)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
27.1406
Other (At-Grade)
Single-Lane
2008 Modified in 2012 to add splitter islands. ICD estimated from Google Maps linework. 21442
Hilliard, OH
Franklin Co.
United States
Britton Pkwy. / Anson Dr.
(40.04156, -83.13125)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 Modified striping to eliminate fishhooks & convert to 2x1 in 2020 (converted EB from Thru/RT to RT only).
Hillard, OH
Franklin Co.
United States
Britton Pkwy. / Davidson Rd.
(40.04977, -83.13399)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 Modified striping to remove fishhooks in 2019.
Grays, England
Essex
United Kingdom
A1306 / B186
(51.48926, 0.27230)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
89.2395
Other (At-Grade)
Single-Lane
Modified with striped spirals to be single-lane. ICD estimated from Google Maps linework. 21442
San Diego, CA
San Diego Co.
United States
Florida Dr. / Morley Field Dr.
(32.73983, -117.14367)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.3840
Other (At-Grade)
Single-lane w/ Traversable Central Island
2022 Modular (quick build) construction. https://www.californiaconstructionnews.com/2022/10/01/construction-starts-on-modular-roundabout-quick-build/
Chesterfield, VA
Chesterfield Co.
United States
Otterdale Rd. / Hampton Park Dr.
(37.39585, -77.70733)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp
Chesterfield, VA
Chesterfield Co.
United States
Otterdale Rd. / Harpers Mill Pkwy.
(37.38280, -77.70556)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp
Midlothian, VA
Chesterfield Co.
United States
Spring Run Rd. / Bailey Bridge Rd. / Springford Pkwy.
(37.38447, -77.65050)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2020 Modular roundabout. http://www.virginiadot.org/newsroom/richmond/2020/modular-roundabout-installations-complete-in-chesterfield-county10-1-2020.asp
Annandale, VA
Fairfax Co.
United States
Ravensworth Rd. / Jayhawk St. / Fountain Head Dr.
(38.82630, -77.19993)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
22.8600
Other (At-Grade)
Single-lane w/ Traversable Central Island
2018 Modular, rapid-install roundabout.
Indianapolis, IN
Marion Co.
United States
Castle Creek Pkwy North Dr. / Castle Creek Pkwy East Dr.
(39.91590, -86.06950)
Other
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
54.0460
Other (At-Grade)
Single-Lane
More of a traffic circle than a roundabout. ICD estimated from Google Maps linework.
Indianapolis, IN
Marion Co.
United States
Monument Circle [Market St. / Meridian St.]
(39.76848, -86.15804)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Multilane (2 Lane, unspecified)
1820 Most famous traffic circle in the State of Indiana. Completed 1820.
Maple Grove, MN
Hennepin Co.
United States
Jonquil Ln. / 85th Ave.
(45.10938, -93.43398)
Other
Existing
Unknown
Unknown
3 Approaches
0 Driveways
57.3175
Other (At-Grade)
Single-Lane
2001 Mountable splitter islands, driverways in circle, parking in circle, pedestrian amenity in central island. Functional Class: Local ICD estimated from Google Maps linework.
Wake Forest, NC
Wake Co.
United States
South Ave. (NC 98-US 1 Alt) / S Main St.
(35.97893, -78.51203)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
21.2627
Other (At-Grade)
Single-Lane
2006 Moving Ahead project. ICD estimated from Google Maps linework.
Patcham, England
Brighton and Hove
United Kingdom
A23 (London Rd.) / Carden Rd.
(50.85664, -0.15380)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Multilane mini-roundabout.
Palm Harbor, FL
Pinellas Co.
United States
US 19 Alternate (Palm Harbor Blvd.) / Florida Ave.
(28.07797, -82.76724)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 Multiuse trail on west side of roundabout. https://www.fdottampabay.com/project/486/437636-1-52-01
Liberty Hill, TX
Williamson Co.
United States
Loop 332 / CR 279 / Munro St.
(30.66338, -97.92119)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2023 Munro St is exit only. https://www.facebook.com/CityofLibertyHill/videos/roundabout/1258995458128112/
Milwaukee, WI
Milwaukee Co.
United States
W Locust St. / N 21st St.
(43.07156, -87.96447)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
16.1541
Other (At-Grade)
Single-Lane
2022 N 21st St. is one-way northbound.
Chattanooga, TN
Hamilton Co.
United States
SR 153 SB Ramps / N. Access Rd. / TVA offices
(35.10868, -85.23122)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
97.7036
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2006 N Access Road is a 4 lane arterial road. Fatal crash April 4, 2010. 11861-05. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NE Yacht Harbor Drive
(45.60542, -122.66034)
Other
Existing
All-Way Yield
Unknown
1 Approaches
2 Driveways
25.9020
Other (At-Grade)
Single-Lane
2006 N end of Yacht Harbor Drive, yield entry at south, driveway at west and driveway at east. ICD estimated from Google Maps linework.
Kilpedder, Co Wicklow

Ireland
R772 / N11 SB On-Ramp / Garden Village Ct.
(53.10054, -6.10651)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Single-Lane
N11 SB On-Ramp is outbound only.
Sarasota, FL
Sarasota Co.
United States
Honore Ave. / Camus St.
(27.33355, -82.46388)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6465
Other (At-Grade)
Single-Lane
2010 NB and SB right turn lanes. ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States
Arrowhead Dr. / I-580 NB Ramps / Imus Rd.
(39.19840, -119.77380)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6923
Freeway Ramps (Grade-Separated)
Single-Lane
2002 NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
West Chester, OH
Butler Co.
United States
Lesourdsville West Chester Rd. / Becket Ridge Blvd.
(39.34459, -84.41655)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
39.6240
Other (At-Grade)
Single-Lane
2020 Near a junior high school. https://www.journal-news.com/news/newest-roundabout-opens-in-west-chester-as-dangerous-intersection-work-begins/PWKR73DU2VD53AOPGDM3VII2U4/
Argyle, TX
Denton Co.
United States
Cook St. / Boonesville Bend / Nora Ln. / Ellison Trace
(33.10503, -97.18643)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2014 Near Argyle High School. Painted splitter islands.
Lenexa, KS
Johnson Co.
United States
Marshall Dr. / W 95th St. WB Connector
(38.95709, -94.73438)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.1492
Other (At-Grade)
Single-Lane
2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States
Marshall Dr. / W 95th St. EB Connector
(38.95590, -94.73460)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.3636
Other (At-Grade)
Single-Lane
2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.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.
Charlotte, NC
Mecklenburg Co.
United States
E. 9th St. / N. Davidson St.
(35.22668, -80.83273)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.9516
Other (At-Grade)
Single-Lane
2006 Near elementary school. ICD estimated from Google Maps linework.
Estero, FL
Lee Co.
United States
Williams Rd. / Chapel Trace
(26.41990, -81.83160)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
29.9485
Other (At-Grade)
Single-Lane
2006 Near Estero High School. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
SW Columbia St. / SW Simpson Ave.
(44.04820, -121.32716)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2021 Near fire station.
El Paso, TX
El Paso Co.
United States
Sun Bowl Dr. / University Dr.
(31.76872, -106.50750)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, unspecified)
2010 Near football stadium.
Greenfield, IN
Hancock Co.
United States
Broadway St. / McKenzie Rd.
(39.79925, -85.77997)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.8685
Other (At-Grade)
Single-Lane
2004 Near Greenfield-Central High School. http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17 ICD estimated from Google Maps linework.
Rochester Hills, MI
Oakland Co.
United States
Tienken Rd. / Sheldon Rd.
(42.69626, -83.12320)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.6224
Other (At-Grade)
Single-Lane
2001 Near Hart Middle School and Stoney Creek High School. Functional Class: Local ICD estimated from Google Maps linework.
Coeur dAlene, ID
Kootenai Co.
United States
4th St. / Margaret Ave.
(47.71537, -116.77880)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.1602
Other (At-Grade)
Single-Lane
2003 Near high school. ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM
McKinley Co.
United States
Silver Dollar Rd. / Veterans Blvd.
(35.07119, -107.56000)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
43.0093
Other (At-Grade)
Single-Lane
2010 Near Hospital, low ADT, series of 3 roundabouts. ICD estimated from Google Maps linework.
Billings, MT
Yellowstone Co.
United States
King Ave. / Olympic Blvd.
(45.75507, -108.61360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.1658
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Redmond, WA
King Co.
United States
152nd Ave. NE / NE 36th Pl. / NE 31st St.
(47.63828, -122.13550)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.3615
Other (At-Grade)
Single-Lane
2010 Near Microsoft campus. Moderate ped/bike volumes. ICD estimated from Google Maps linework.
Sharon, PA
Mercer Co.
United States
Connelly Blvd. / Dock St.
(41.23144, -80.50617)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signal/Beacon
4 Approaches
1 Driveways
44.9099
Other (At-Grade)
Single-Lane
2018 Near railroad crossing with flashing lights but no gates. ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States
Jefferson Rd. / CTH Y
(43.15325, -88.75062)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.5944
Other (At-Grade)
Single-Lane
2010 Near railroad crossing. ICD estimated from Google Maps linework.
Branson, MO
Taney Co.
United States
Branson Landing Blvd. / Veterans Blvd. / Skaggs Rd. / Parnell Dr.
(36.64981, -93.21976)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
63.2418
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 Near Skaggs Community Health Center Hospital. Veterans Boulevard was formerly Business 65 but was transferred from MoDOT to the city. Cost of roundabout was $1.9 million. News article: http://www.news-leader.com/apps/pbcs.dll/article?Date=20060324&Category=NEWS02&ArtNo=603240360&SectionCat=&Template=printart ICD estimated from Google Maps linework.
Galt, CA
Sacramento Co.
United States
Twin Cities Rd. / E Stockton Blvd.
(38.29108, -121.31110)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.6210
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Near SR 99 NB freeway ramps. ICD estimated from Google Maps linework.
Galt, CA
Sacramento Co.
United States
Twin Cities Rd. / W Stockton Blvd.
(38.29105, -121.31340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.7463
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Near SR 99 SB freeway ramps. ICD estimated from Google Maps linework.
Monona, WI
Dane Co.
United States
S Towne Dr. / Industrial Dr.
(43.04082, -89.35458)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.9158
Other (At-Grade)
Multilane (2 Lane, unspecified)
2007 Near Super-Walmart. Opened August 7, 2007. ICD estimated from Google Maps linework.
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.
Nampa, ID
Canyon Co.
United States
Ustick Rd. / Santa Ana Ave.
(43.63404, -116.60317)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2022 Near two schools.
Davis, CA
Yolo Co.
United States
Hutchison Dr. / Hutchison Pl. / Sage St.
(38.53933, -121.77160)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2010 Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022.
Davis, CA
Yolo Co.
United States
Hutchison Dr. / Campbell Rd.
(38.53686, -121.77170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
36.4343
Other (At-Grade)
Multilane (2 Lane, unspecified)
2010 Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Poughkeepsie, NY
Dutchess Co.
United States
Rte 376 / Vassar Lake Dr.
(41.68654, -73.89823)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
18.7303
Other (At-Grade)
Single-Lane
2006 Near Vassar College ICD estimated from Google Maps linework.
Poughkeepsie, NY
Dutchess Co.
United States
Rte 376 / College Ave.
(41.68975, -73.89973)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
26.7562
Other (At-Grade)
Single-Lane
2006 Near Vassar College ICD estimated from Google Maps linework.
Poughkeepsie, NY
Dutchess Co.
United States
Rte 376 / Collegeview Ave.
(41.69179, -73.90046)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.3227
Other (At-Grade)
Single-Lane
2008 Near Vassar College ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
Heritage Rd. / W 4th Ave.
(39.72190, -105.21004)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
12.8607
Other (At-Grade)
Single-lane w/ Traversable Central Island
2015 Nearby pedestrian overcrossing in addition to at-grade pedestrian crossing on north leg. ICD estimated from Google Maps linework.
Quincy, MA
Norfolk Co.
United States
Palmer St / Yardarm Ln / Bicknell St
(42.25300, -70.96574)
Rotary
Existing
Uncontrolled
None
4 Approaches
2 Driveways
70.7217
Other (At-Grade)
Single-Lane
Neighborhood area ICD estimated from Google Maps linework.
Charlottesville, VA
Charlottesville Co.
United States
109 Burnet St
(38.02424, -78.48827)
Traffic Calming Circle
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
13.1717
Other (At-Grade)
Single-lane w/ Traversable Central Island
2017 Neighborhood mini-roundabout placed in lieu of all-way stop when a new section was added in residential development in the City of Charlottesville. 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.
Charlottesville, VA
Albemarle Co.
United States
775 Belvedere Blvd
(38.07317, -78.45885)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
154.1935
Other (At-Grade)
Single-Lane
2016 Neighborhood Traffic Circle constructed with buildout of Belvedere Development ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NE 7th Ave. / NE Morris St.
(45.54468, -122.65860)
Traffic Calming Circle
Removed
One-Way/Two-Way Stop
None
3 Approaches
0 Driveways
128.8135
Other (At-Grade)
Single-Lane
2013 Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework.
Frisco, TX
Collin Co.
United States
Vita Dolce Dr. / Toscana Way
(33.17776, -96.80012)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.6717
Other (At-Grade)
Single-Lane
2004 Neighborhood.
Glendale, AZ
Maricopa Co.
United States
N 87th Ave. / W Montebello Ave. / (parking)
(33.51695, -112.24749)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Single-Lane
2019 New city collector street, private developer funded.
Durham, NC
Durham Co.
United States
Towerview Rd. / Campus Dr.
(35.99779, -78.93916)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
24.1565
Other (At-Grade)
Single-Lane
2004 New entrance to parking areas on Duke University campus. ICD estimated from Google Maps linework.
Emporia, KS
Lyon Co.
United States
(connector to US 50) / I-35 Ramps
(38.41494, -96.22918)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
97.5360
Freeway Ramps (Grade-Separated)
Single-Lane
2008 New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008.
Emporia, KS
Lyon Co.
United States
US 50 / (connector to I-35)
(38.41225, -96.22947)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
79.2480
Other (At-Grade)
Single-Lane
2008 New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442
Boardman, NC
Columbus Co.
United States
Old Boardman Rd. / US 74 WB Ramps
(34.43547, -78.94924)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2023 New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html.
Boardman, NC
Columbus Co.
United States
Old Boardman Rd. / US 74 EB Ramps
(34.43447, -78.95052)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2023 New interchange replaces single at-grade, stop-controlled intersection. https://www.nrcolumbus.com/news/new-boardman-interchange-open-to-traffic-ncdot-says/article_feaec6c2-4c23-11ee-a358-437c17d778ff.html.
Bern, PA
Berks Co.
United States
SR 183 (Bernville Rd.) / Wellness Way
(40.37421, -75.97048)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.1960
Other (At-Grade)
Single-Lane
2020 New intersection installed as part of development.
Spokane, WA
Spokane Co.
United States
SR 290 (Trent Ave) / Martin Luther King Jr Way / Perry St.
(47.66163, -117.39014)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
19.3053
Other (At-Grade)
Multilane (2 Lane, unspecified)
2018 New intersection of MLK Jr. Way and SR 290. Open to traffic August 5, 2018. Two circulating lanes for SR 290 WB entry leg ICD estimated from Google Maps linework.
Bourne, MA
Barnstable Co.
United States
Otis Rotary [MacArthur Blvd. (Rte 28) / Connery Ave. / Sandwich Rd. (Rte 28A)]
(41.68534, -70.59144)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
249.9360
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2017 New lane configuration/striping in 2017. ICD = 820 ft x 620 ft. 21442
Durham, NC
Durham Co.
United States
Circuit Dr. / Research Dr.
(36.00615, -78.94078)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
22.2216
Other (At-Grade)
Single-Lane
2003 New north-south road through Duke University campus. ICD estimated from Google Maps linework.
Boston, MA
Suffolk Co.
United States
Northern Ave / Massport Haul Rd / Fid Kennedy Rd
(42.34767, -71.03621)
Traffic Calming Circle
Existing
Other
None
4 Approaches
1 Driveways
24.7154
Other (At-Grade)
Single-Lane
New pavement markings (roundabout like) on approaches in June 2017. Control Type: 2 yield (Northern Ave), 1 stop Massport Haul Rd and 1 uncontrolled (stop sign is missing?) (Fid Kennedy Ave). ICD estimated from Google Maps linework.
Berlin, MA
Worcester Co.
United States
River Rd W / South St / Whitney Rd
(42.35764, -71.62354)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.0136
Other (At-Grade)
Single-Lane
New pavement markings (shark teeth and definition of circular roadway) in 2016 ICD estimated from Google Maps linework.
West Des Moines, IA
Dallas Co.
United States
Village View Dr. / Prairie View Dr. (Blue Stem Circle)
(41.56376, -93.78467)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.5745
Other (At-Grade)
Single-Lane
2007 New residential/commercial development on former Ponderosa Golf Course. ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Veterans Blvd. / Bell Blvd.
(39.37220, -84.35684)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
54.8637
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2022 New road, Veterans Blvd, constructed for new development.
Bend, OR
Deschutes Co.
United States
NW Crossing Dr. / Lemhi Pass Rd.
(44.06210, -121.34600)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.7544
Other (At-Grade)
Single-Lane
2006 New roads as part of NW Crossing Development ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
18th Ave. / Irving St.
(46.19221, -119.19620)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.1649
Other (At-Grade)
Single-Lane
2006 New roads/intersection in subdivision - completed February 2006. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
Creekstone Dr. / Irving St.
(46.18894, -119.19640)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.0725
Other (At-Grade)
Single-Lane
2005 New roadway (Creekstone) connecting into existing subdivision stub-street (Irving) on south side and new subdivision on north side Functional Class: Collector ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States
Lowes Way / (shopping center entrance)
(39.99786, -86.12268)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.2572
Other (At-Grade)
Multilane (2 Lane, unspecified)
2018 New roundabout built as part of new southbound ramp project to keystone (ramp and overpass under construction). ICD estimated from Google Maps linework.
Warwick, RI
Kent Co.
United States
Veteran's Memorial Dr. / Post Rd. / Post Rd. Extension
(41.70266, -71.45475)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
59.7435
Other (At-Grade)
Multilane (2 Lane, unspecified)
2016 New roundabout fully operational and opened in fall 2016. Note that traffic was previously NB only on Post Rd south of the roundbaout, and WB only on VMD, but traffic is now bi-directional in all directions. ICD estimated from Google Maps linework.
Liberty Township, OH
Butler Co.
United States
Veterans Blvd. / Reagan Way
(39.37030, -84.35617)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
54.8637
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2022 New roundabout on new alignment, Veterans Blvd, constructed for new commercial development (Costco).
Carmel, IN
Hamilton Co.
United States
N Range Line Rd. / Lowes Way
(39.99193, -86.12728)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Unknown
2020 New roundabout opened for connection to the new Lowes Way extension (will connect to the new overpass to the east over Keystone). https://www.hamiltoncounty.in.gov/881/Lowes-Way-Connection---Phase-2 . https://twitter.com/HamcoIndiana/status/1254047807759097859
Liberty Township, OH
Butler Co.
United States
SR 129 / Cox Rd. / Veterans Blvd.
(39.37289, -84.36015)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2022 New roundabout partially opened in November 2022. Full operation is scheduled in mid-December 2022. SR 129 highway was extended to Cox Road (local road) and new alignment (Veterans Blvd) was constructed to help alleviate traffic congestion and safety issues involving Liberty Way interchange with I-75.
Albany, NY
Albany Co.
United States
Washington Ave. / CR 156 (Fuller Rd.)
(42.69307, -73.83071)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.5475
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 New roundabout will be just north of existing intersection. A flyover will carry through traffic on Washington Ave Functional Class: Arterial ICD estimated from Google Maps linework.
Warwick, RI
Kent Co.
United States
Post Rd. / W. Shore Rd.
(41.69980, -71.45348)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.6694
Other (At-Grade)
Multilane (2 Lane, unspecified)
2016 New tear-drop roundabout. Only one approach (eb) has to yield. the WB approach is a free merge. Post Road (on west side of roundabout) is EB only. Fully operational - opened in fall 2016. Post Rod (SB) was previously 4 lanes NB only, now 2 lanes in each direction. ICD estimated from Google Maps linework.
Georgetown, DE
Sussex Co.
United States
The Circle (Georgetown Circle)
(38.69005, -75.38587)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
66.1876
Other (At-Grade)
Single-Lane
1791 New town built as county seat centered on circle instead of more traditional square. Pedestrian access to center island. Parking at buildings on the circle. No raised splitter islands. ICD estimated from Google Maps linework.
Miyako, Iwate Pref.

Japan
Takonohamacho
(39.64840, 141.96832)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Newly-built area in city destroyed by the tsunami in 2011.
Waco, TX
McLennan Co.
United States
Austin Ave. / N 38th St.
(31.52991, -97.16233)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-lane w/ Traversable Central Island
2009 News story at http://www.kcendt.com/?p=11617, Photos at http://www.waco-texas.com/photo-gallery/index22.htm.
Waco, TX
McLennan Co.
United States
Austin Ave. / 29th St.
(31.53724, -97.15418)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4317
Other (At-Grade)
Single-Lane
2009 News story at http://www.kcendt.com/?p=11617, Photos at http://www.waco-texas.com/photo-gallery/index22.htm.
Las Vegas, NV
Clark Co.
United States
S Pavillion Center Dr. / Oval Park Dr.
(36.15207, -115.33082)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Next to baseball stadium. Completed initially with only 3 legs; 4th leg added 2019.
Walled Lake, MI
Oakland Co.
United States
Loop Rd. / Commerce Crossing Dr.
(42.53542, -83.44801)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
49.2829
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 Next to Costco retail center and gas station. ICD estimated from Google Maps linework.
El Paso, TX
El Paso Co.
United States
Pebble Hills Blvd. / (parking)
(31.77636, -106.26610)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 Next to diamond interchange serving freeway commercial development.
Enumclaw, WA
King Co.
United States
Semanski St. / Warner Ave.
(47.19201, -122.00551)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2021 Next to Enumclaw High School. https://www.courierherald.com/news/council-awards-bid-for-roundabout-in-front-of-enumclaw-high/
Harrison, OH
Hamilton Co.
United States
Dry Fork Rd. / West Rd.
(39.25461, -84.76702)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2021 Next to high school and junior high school. https://www.facebook.com/CityofHarrison/photos/a.155847067781927/4751915121508409/?type=3&source=48
Grand Rapids, MI
Kent Co.
United States
Cherry St. SE / Jefferson Ave. SE
(42.95950, -85.66412)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.7254
Other (At-Grade)
Single-Lane
2007 Next to hospital. ICD estimated from Google Maps linework.
St. George, UT
Washington Co.
United States
750 N St. / 2860 E St.
(37.12077, -113.52450)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
29.5218
Other (At-Grade)
Single-Lane
2001 Next to school campus. 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.
Grand Rapids, MN
Itasca Co.
United States
10th St. SW (Golf Course Rd.) / Grand Itasca Clinic and Hospital entrance
(47.22104, -93.55408)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5019
Other (At-Grade)
Single-Lane
2005 No accidents reported to date (2007). Rural environment. ICD estimated from Google Maps linework.
San Antonio, TX
Bexar Co.
United States
Bella Vista Pl. / Palatine Hill
(29.42546, -98.76859)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2005 No buffer between sidewalk and circulatory roadway.
Castle Rock, CO
Douglas Co.
United States
Sapphire Pointe Blvd. / Tremolite Dr.
(39.42908, -104.85397)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
52.5832
Other (At-Grade)
Single-Lane
2005 No buffer between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Santa Maria, CA
Santa Barbara Co.
United States
S. College Dr. / E. McCoy Ln.
(34.91648, -120.42510)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8427
Other (At-Grade)
Multilane (2 Lane, unspecified)
2001 No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.