City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Anchorage,
AK Anchorage United States |
Klatt Rd. / Johns Rd. (61.11584, -149.87879) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0760 |
Other (At-Grade) Single-Lane |
2017 | ICD estimated from Google Maps linework. |
(unincorporated),
WI Sauk Co. United States |
Moon Rd. / Timothy Ln. (43.56132, -89.77681) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0800 |
Other (At-Grade) Single-Lane |
2010 | Fatal crash July 10, 2010. ICD estimated from Google Maps linework. |
Woodbury,
MN Washington Co. United States |
Pioneer Dr. / Plymouth Rd. (44.88405, -92.92480) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0801 |
Other (At-Grade) Single-Lane |
2013 | ICD estimated from Google Maps linework. |
Spallumcheen,
BC North Okanagan Canada |
Larkin Cross Rd. / Otter Lake Cross Rd. / Hwy 97A SB Ramps (50.38033, -119.23145) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0805 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | Year Completed estimated (2004-2012). ICD estimated from Google Maps linework. |
Cudillero,
Principality of Asturias Asturias Spain |
Autovía del Cantábrico (43.55817, -6.20578) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 38.0820 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Cudillero,
Principality of Asturias Asturias Spain |
N-632 / A-8 Ramps (43.55713, -6.20690) |
Roundabout Existing |
All-Way Yield Unknown |
2 Approaches 0 Driveways 38.0827 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Anchorage,
AK Anchorage United States |
Huffman Rd. / Seward Hwy SB Ramps (61.10854, -149.85175) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0848 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2012 | ICD estimated from Google Maps linework. |
North Auburn,
CA Placer Co. United States |
Willow Creek / 1st St. (38.93790, -121.10060) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 38.0883 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Woodbury,
MN Washington Co. United States |
CSAH 13 (Radio Dr.) / CSAH 20 (Military Rd.) (44.87117, -92.94394) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0887 |
Other (At-Grade) Single-Lane |
2014 | ICD estimated from Google Maps linework. |
Ribadeo,
Galicia Lugo Spain |
N-634 / Rua dos Galos / / A-8 EB Ramps (43.54178, -7.04636) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.0924 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
Bloomington,
MN Hennepin Co. United States |
Washington Ave. / W 78th St. / Viking Dr. (44.86003, -93.39886) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0960 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. |
Lees Summit,
MO Jackson Co. United States |
NE Blackwell Rd. / NE Chipman Rd. / (parking lot) (38.92333, -94.31850) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.0961 |
Other (At-Grade) Single-Lane |
2010 | Access to church parking lot. Year Completed estimated (2009-2010). ICD estimated from Google Maps linework. |
Aubrey,
TX Denton Co. United States |
Union Park Blvd. / Fish Trap Rd. (33.23213, -96.92081) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
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. |
San Antonio,
TX Bexar Co. United States |
Wildhorse Pkwy. / Mustang Gate (29.53330, -98.70100) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2004 | . |
Columbus,
OH Franklin Co. United States |
Dublin-Granville Rd. / Albany Park Dr. (40.07893, -82.84812) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | |
Ypsilanti Township,
MI Washtenaw Co. United States |
Wiard Rd. / Airport Dr. (42.23730, -83.56309) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | |
Scotts Hill,
NC New Hanover Co. United States |
Scotts Hill Medical Dr. / NHRMC ER Driveway (34.31484, -77.76922) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
Painted splitter island on one leg, no splitter islands on others. | |
Clarkdale,
AZ Yavapai Co. United States |
Scenic Dr. / Alamos Dr. (34.74635, -112.04608) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimated (2011-2012). Initially completed with painted splitter islands. Raised splitter islands added 2012-2014. |
West Jordan,
UT Salt Lake Co. United States |
W 8600 S / 6000 W (40.59520, -112.03394) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2015 | Year Completed estimated (2015-2016). |
Prior Lake,
MN Scott Co. United States |
CR 12 / Fish Point Rd. (44.70864, -93.41052) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2014 | |
Palm Desert,
CA Riverside Co. United States |
Avenue of the States / California Dr. / Michigan Dr. (33.74085, -116.30647) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | Parallel parking along circulatory roadway. Year Completed estimated (2015-2016). |
Bentonville,
AR Benton Co. United States |
NE J St. / Museum Way / John Deshields Blvd. (36.37822, -94.19655) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | https://www.dot.state.mn.us/d2/projects/2019/hwy71-bemidji/index.html |
Lehi,
UT Utah Co. United States |
Gray Hawk Dr. / Homestead Dr. (40.45275, -111.89259) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2005-2006). |
Richmond,
VA Chesterfield Co. United States |
N Arch Rd. / Arboretum Pkwy. (37.49494, -77.57103) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
Alpharetta,
GA Fulton Co. United States |
Morris Rd. / Preston Ridge Rd. (34.07149, -84.26715) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2019-2020). |
Conyers,
GA Rockdale Co. United States |
O'Kelly St. SE / Oakland Ave. SE (33.66371, -84.01814) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | http://www.publicnow.com/view/2978B5BDD8E76E659620EC7691F371388F22B107 |
Franklin,
ID Franklin Co. United States |
Legacy Dr. / South Canyon Dr. (42.00604, -111.80863) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2006-2009). |
Hayden,
ID Kootenai Co. United States |
N Courcelles Pkwy. / N Chateaux Dr. (47.74785, -116.82456) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | |
Bradenton,
FL Manatee Co. United States |
38th Ave. E / 30th St. E (27.46533, -82.52634) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | |
Park Hills,
MO St. Francois Co. United States |
Science St. / High St. / Rebel Dr. (37.84763, -90.52203) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2007-2008). |
Redmond,
WA King Co. United States |
Redmond Ridge Dr. NE / NE Cedar Park Crest (47.68578, -122.03278) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2011-2012). |
Roseville,
CA Placer Co. United States |
Freedom Way / (unknown) (38.79281, -121.29852) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2015-2016). |
Roseville,
CA Placer Co. United States |
Freedom Way / Thrive Dr. (38.79276, -121.29625) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2016). North leg added 2017-2018. |
Citrus Heights,
CA Sacramento Co. United States |
Stock Ranch Rd. / Woodside Dr. / Fountain Square Dr. (38.68438, -121.29649) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2004 | Bike lanes striped within circulatory roadway. Year Completed estimated (2003-2004). |
Sacramento,
CA Sacramento Co. United States |
Blackrock Dr. / N Breezy Meadow Dr. (38.65328, -121.49509) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | |
Henderson,
NV Clark Co. United States |
Kelso Dunes Ave. / Marks St. (36.05279, -115.03762) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2002 | Year Completed estimated (1999-2003). |
Danville,
IN Hendricks Co. United States |
E Main St. / CR 200 E (39.76169, -86.48632) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2017-2018). |
Lehi,
UT Utah Co. United States |
N Toscana Hills Dr. / Morning Vista Rd. / W Chapel Ridge Rd. (40.44388, -111.87893) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | |
Orem,
UT Utah Co. United States |
W 575 S / S Sleepy Ridge Dr. (40.28674, -111.74051) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2006 | Year Completed estimated (2005-2006). |
Orem,
UT Utah Co. United States |
S Sleepy Ridge Dr. / S Fairway Ln. (40.28305, -111.74283) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | |
Fort Worth,
TX Tarrant Co. United States |
Randol Mill Rd. / S Precinct Line Rd. (32.77978, -97.17909) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2020 | |
Dawsonville,
GA Dawson Co. United States |
Gordon Moss Rd. / Dawson Market Way (34.35029, -84.05120) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2017). |
Columbia,
MD Howard Co. United States |
Oakland Mills Rd. / Old Montgomery Rd. (39.20788, -76.83157) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | |
Perry Hall,
MD Baltimore Co. United States |
E Joppa Rd. / Scott Moore Way / Cowenton Ave. (39.40290, -76.44124) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | Right-turn bypass lane on west leg. |
Five Mile Prairie,
WA Spokane Co. United States |
N Five Mile Rd. / W Strong Rd. (47.73709, -117.45373) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2019-2020). |
Lebanon,
IN Boone Co. United States |
Indianapolis Ave. / Hendricks Dr. / N Allen Dr. (40.03429, -86.45320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | Elliptical shaped. ICD 140 feet x 110 feet. Year Completed estimated (2015-2016). |
Idaho Falls,
ID Bonneville Co. United States |
E Iona Rd. / 25th E (43.52586, -111.98394) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2006). |
Granger,
IN St. Joseph Co. United States |
Caledonian Dr. / Meridian Crossing / Hedge Row Ct. (41.74364, -86.14710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1998-2003). |
Lakewood,
WA Pierce Co. United States |
Union Ave. / Militia Dr. / Berkeley St. SW (47.11921, -122.55805) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2020 | https://twitter.com/wsdot_tacoma/status/1295357469917474818 |
Quail,
CO Boulder Co. United States |
Boston Ave. / (parking) (40.15114, -105.09285) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2006 | Right-turn-only lane on north leg. Year Completed estimated (2005-2006). South leg added 2016-2017. |
Brighton,
MI Livingston Co. United States |
Maltby Rd. / (middle school access) (42.50039, -83.78169) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2013 | Year Completed estimated (2011-2015). |
Center Valley,
PA Lehigh Co. United States |
Preston Ln. / (school entrances) (40.53579, -75.40111) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2018-2020). |
Bloomington,
IN Monroe Co. United States |
Sample Rd. / I-69 NB Ramps (39.26581, -86.52203) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Year Completed estimated (2016-2019). |
Bloomington,
IN Monroe Co. United States |
Sample Rd. / N Frontage Rd. W / I-69 SB Ramps (39.26595, -86.52428) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Year Completed estimated (2016-2019). |
Bloomington,
IN Monroe Co. United States |
Sample Rd. / N Wayport Rd. / N Frontage Rd. E (39.26549, -86.51969) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2016-2019). |
Wilmington,
NC New Hanover Co. United States |
Barclay Pointe Blvd. / Stonecrop Dr. (34.18098, -77.91751) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | |
Austin,
TX Travis Co. United States |
E St. Elmo Rd. / Todd Ln. / S Pleasant Valley Rd. (30.20689, -97.74045) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | |
San Antonio,
TX Bexar Co. United States |
Tuscany Stone / (parking) (29.61196, -98.48957) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2007 | |
Oxford,
MS Lafayette Co. United States |
Old Sardis Rd. (SR 314) / Pat Patterson Rd. (W Oxford Loop) (34.39966, -89.57695) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2016-2019). https://www.oxfordeagle.com/2020/03/04/supervisors-approve-street-light-at-new-college-hill-roundabout/ |
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. |
El Paso,
TX El Paso Co. United States |
Country Club Rd. / Memory Dr. (31.84353, -106.59137) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2015 | |
(unincorporated),
TX Parker Co. United States |
Morning Mist Trl. / Indigo Sky Dr. (32.75189, -97.59333) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | Constructed as part of residential subdivision. |
Waco,
TX McLennan Co. United States |
Mickler Ln. / Kestrel Ct. (31.63708, -97.24145) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2013 | Located in residental subdivision. No visible traffic control on Mickler Ln. |
Frisco,
TX Denton Co. United States |
Broadmoor Way / Lenox Ln. (33.17853, -96.85378) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | |
Chincoteague,
VA Accomack Co. United States |
Beach Rd. / (parking lot) (37.88955, -75.34290) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | This roundabout is constructed on the sand. Inside Assateague National Seashore. Year Completed estimated (2013-2016). |
Frisco,
TX Denton Co. United States |
4th Army Dr. / Timber Ridge Dr. (33.12940, -96.86042) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | https://communityimpact.com/guides/dallas-fort-worth/frisco/news/transportation/2018/10/25/transportation-update-4th-army-drive-5/. |
Reedley,
CA Fresno Co. United States |
Reed Ave. / North Ave. / I St. (36.60072, -119.45756) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
3 Approaches 2 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | Right-turn-only lane on southwest leg. Roundabout is approximately 100 feet from at-grade railroad crossing on southwest leg. A signalized intersection is approximately 60 feet from the at-grade rail crossing on the other side of the rail crossing. The two legs of the roundabout not crossing the railroad tracks have train-activated flashing red beacons requiring traffic to stop when flashing. |
Burlingame,
CA San Mateo Co. United States |
California Dr. / Bellevue Ave. / Lorton Ave. (37.58049, -122.34729) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | Bus stop in advance of crosswalk on through bypass lane. |
New Milford,
CT Litchfield Co. United States |
Still River Dr. / Pickett District Rd. / Lanesville Rd. (41.54029, -73.41615) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | |
San Antonio,
TX Bexar Co. United States |
San Pedro Ave. / N Main Ave. / Navarro St (29.43375, -98.49433) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | . |
Nellis AFB,
NV Clark Co. United States |
Ellsworth Ave. / Beale Ave. (36.24458, -115.04291) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2013 | Year Completed estimated (2012-2014). |
Ishpeming,
MI Marquette Co. United States |
N 2nd St. / N 3rd St. (46.50205, -87.66564) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | |
Northfield Township,
MI Washtenaw Co. United States |
W 8 Mile Rd. / US 23 NB Ramps (42.42882, -83.76591) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | |
Ann Arbor,
MI Washtenaw Co. United States |
Geddes Rd. / Earhart Rd. (42.27460, -83.68216) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2011 | At Concordia College campus. |
East Aurora,
NY Erie Co. United States |
Rte 20A / Rte 78 (42.76773, -78.62917) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2009 | Converted from rotary. |
Blaine,
WA Whatcom Co. United States |
SR 548 (Grandview Rd.) / Blaine Rd. / (parking) (48.89206, -122.72655) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2010 | September 2010. Merging right-turn bypass lane on south leg. Right-turn-oinly lane on north leg. |
Selah,
WA Yakima Co. United States |
Gore Rd. / Selah Loop Rd. (46.67943, -120.53061) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | August 2008. Replaced triangle intersection. |
Spokane Valley,
WA Spokane Co. United States |
Flora Rd. / E Mission Ave. / E Indiana Pkwy. - E Mission Pkwy. (47.67154, -117.17516) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2010 | E Indiana Pkwy is west leg entrance; E Mission Pkwy is west leg exit. November 2010. |
Walla Walla,
WA Walla Walla Co. United States |
Myra Rd. / SR 12 WB Ramps (46.07040, -118.36987) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2010 | Raindrop shaped. July 2010. |
Tumwater,
WA Thurston Co. United States |
Littlerock Rd. SW / Israel Rd. SW / 70th Ave. SW (46.98554, -122.93236) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2009 | October 2009. |
Carmel,
IN Hamilton Co. United States |
E 136th St. / Keystone Pkwy NB Ramps (39.98598, -86.11404) |
Roundabout Existing |
All-Way Yield Metering Signal |
3 Approaches 0 Driveways 38.1000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2009 | Part of tight diamond interchange with raindrop shape central island. Modified in 2016-2017 to add metering signals. Northbound ramp from Keystone Pkwy has a metering signal (PHB) that activates during peak hours when triggered by a long westbound queue. Eastbound approach has a metering signal (PHB) that activates during peak hours when triggered by a long northbound queue. 21442 |
Bryan,
TX Brazos Co. United States |
Miramont Blvd. / Miramont Cir. (30.67306, -96.30883) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2004 | Gateway intersection of Miramont subdivision/country club development. At the main entry to the clubhouse facilities. |
Waco,
TX McLennan Co. United States |
Crosslake Pkwy. / Legend Lake Pkwy. (31.49100, -97.15920) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2006 | Major internal street intersection for a 159-acre tract (74.5 acres of this is Hospital and Medical complex). |
Bozeman,
MT Gallatin Co. United States |
Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2003 | |
Forest Hill,
MD Harford Co. United States |
MD 23 / Commerce Rd. (39.57390, -76.37067) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route. |
Commerce City,
CO Adams Co. United States |
E 105th Ave. / Uvalda St. (39.88673, -104.83520) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2003 | Year Completed estimated (2002-2003). |
Commerce City,
CO Adams Co. United States |
Wheeling St. / E 106th Ave. / Victor St. (39.88895, -104.83121) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2003 | Painted splitter islands. |
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. |
Voorheesville,
NY Albany Co. United States |
Rte 85A (Maple Rd.) / Rte 155 (42.64936, -73.92110) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2003 | Replaced a stop-controlled, channelized triangular intersection. Completed Fall 2003. First roundabout in Albany area. |
Clarkdale,
AZ Yavapai Co. United States |
Clarkdale Pkwy. / Mountain Gate Dr. (34.76500, -112.06276) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2003-2006). |
Elkhorn,
NE Douglas Co. United States |
George Miler Pkwy. / (unknown) (41.29519, -96.19483) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2020-2021). |
Papillion,
NE Sarpy Co. United States |
(unknown) / (unknown) (41.12931, -96.09509) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2021 | Year Completed estimated (2021-2022). |
Richmond,
TX Fort Bend Co. United States |
Wildwood Park Rd. / McAlpin Meadows (29.56363, -95.75379) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2021 | |
Snohomish,
WA Snohomish Co. United States |
SR 9 / Bickford Ave. (47.93379, -122.10107) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2022 | WSDOT safety project that was completed in early Sept 2022. Includes right-turn bypass lane for NB to EB movement |
Cary,
NC Wake Co. United States |
White Oak Church Rd. / Ridgeback Rd. (35.78176, -78.92014) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2016 | Southwest leg is exit only. |
Midway,
UT Wasatch Co. United States |
River Rd. / E Memorial Hill Dr. (40.51821, -111.46246) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2019-2020). |
Pueblo,
CO Pueblo Co. United States |
Spaulding Ave. / W 18th St. (38.28444, -104.65350) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2006-2011). |
Buckeye,
AZ Maricopa Co. United States |
W Westpark Loop / W Warner St. (33.41611, -112.60337) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | |
Guaynabo,
PR Santa Rosa United States |
Carretera 837 / Avenida David Urbina (18.34953, -66.11586) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2006-2010). |