|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Cumming,
GA Forsyth Co. United States |
Melody Mizer Ln. / Bailey Park Dr. / (parking) (34.13385, -84.14044) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2019 | Right-turn-only lanes with no yield markings on northeast and southeast legs. Year Completed estimated (2018-2019). |
|
Waterloo,
ON Waterloo Canada |
Davenport Rd. / Old Abbey Rd. / (shopping center) (43.49957, -80.52551) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.0000 |
Other (At-Grade) Single-Lane |
2012 | Right-turn-only leg on north leg. Year Completed estimated (2011-2012). |
|
Williston,
ND Williams Co. United States |
26th St. W / 9th Ave. W (48.16873, -103.63658) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2022 | Right-turn-only leg on west leg. |
|
Shenandoah,
TX Montgomery Co. United States |
David Memorial Dr. / Shenandoah Park Dr. (30.19171, -95.44727) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Right-turn-only markings in both lanes on all entries. |
|
Eden,
England Bucks United Kingdom |
Abbey Way Gyratory: A40 (Abbey Way / Frances Dove Way) / A404 (Marlow Hill / Amersham Hill) / Queen Alexandra Rd. / St. Mary St. (51.62703, -0.75067) |
Roundabout Existing |
All-Way Yield Unknown |
6 Approaches 1 Driveways |
Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) |
Ring junction of five mini-roundabouts. | |
|
Swindon,
England Wiltshire United Kingdom |
"Magic Roundabout" [A4312 / Drove Rd. / Fleming Way / A4289 (County Rd.) / Shrivenham Rd.] (51.56285, -1.77147) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 66.0791 |
Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) |
1972 | Ring junction of five mini-roundabouts. ICD estimated from Google Maps linework. |
|
Colchester,
England Essex United Kingdom |
Greenstead Roundabout: A133 (Saint Andrews Ave.-Clingoe Hill) / A134 (Colchester Causeway) / Greenstead Rd. / Avon Way (51.88446, 0.93270) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways |
Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) |
Ring junction of five multilane mini-roundabouts. | |
|
London Heathrow Airport,
England London United Kingdom |
Hatton Cross Roundabout [Envoy Ave. / Eastchurch Rd. / Viscount Way / Southern Perimeter Rd. / Hatton Rd.] (51.46785, -0.42332) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways |
Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) |
Ring junction of five multilane mini-roundabouts. | |
|
Hemel Hempstead,
England Herts United Kingdom |
Plough Roundabout: A414 / Lawn Ln. / Two Waters Rd. / Station Rd. / Leighton Buzzard Rd. / Selden Hill (51.74628, -0.47329) |
Roundabout Existing |
All-Way Yield Unknown |
6 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) |
Ring junction of six mini-roundabouts. | |
|
North Plymouth,
MA Plymouth Co. United States |
Water St. / South Park Ave. (41.96132, -70.66773) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.5310 |
Other (At-Grade) Single-Lane |
2014 | rotary conversion ICD estimated from Google Maps linework. |
|
Edmonton,
AB Edmonton Capital Region Canada |
Connors Rd. NW / 85th St. NW / 83rd St. NW / 90th Ave. NW (53.52501, -113.45750) |
Rotary Removed |
Unknown Unknown |
5 Approaches 0 Driveways 25.5598 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/ |
|
Centralville,
MA Middlesex Co. United States |
Hunts Falls Bridge / VFW Hwy Ramps (42.64822, -71.29907) |
Rotary Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 108.9292 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
Rotary interchange. ICD estimated from Google Maps linework. | |
|
West Mount Airy,
PA Philadelphia Co. United States |
W Walnut Ln. / Park Line Dr. (40.03338, -75.19741) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 32.9206 |
Other (At-Grade) Single-Lane |
2016 | Rotary reconstructed in 2016. ICD estimated from Google Maps linework. |
|
Bourne,
MA Barnstable Co. United States |
US 6 (Rte 3) / Scenic Hwy (41.78067, -70.54342) |
Rotary Removed |
All-Way Yield Unknown |
4 Approaches 4 Driveways 26.7184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Rotary replaced with an interchange. ICD estimated from Google Maps linework. |
|
Agawam,
MA Hampden Co. United States |
Rte 57 / US 5 Ramps / River Rd. (42.08087, -72.58983) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 165.7625 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
Rotary restriped 2012-2013. ICD estimated from Google Maps linework. | |
|
Worcester,
MA Worcester Co. United States |
Washington Sq (Front St. / Summer St.) (42.26201, -71.79451) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.0337 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Rotary Retrofit completed in 2007 or 2008. ICD estimated from Google Maps linework. |
|
Narragansett,
RI Washington Co. United States |
Succotash Rd. / Beach Row (41.37662, -71.51541) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 24.1972 |
Other (At-Grade) Single-Lane |
2011 | Rotary retrofitted (signage and striping). No geometric changes to add deflection. ICD estimated from Google Maps linework. 21442 |
|
Quincy,
MA Norfolk Co. United States |
Washington St (Rte 3A) / Dee Rd (42.24553, -70.97224) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 66.3095 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | Rotary update ICD estimated from Google Maps linework. |
|
Fairlawn,
OH Summit Co. United States |
S Cleveland Massillon Rd. / Rothrock Rd. (41.12151, -81.63784) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Rothrock Rd roundabout opened Aug 3, 2021. The entire project is here. Design and handout documents are at the bottom: https://www.fairlawn.us/CMProject Pictures were taken during construction. https://www.fairlawn.us/CivicAlerts.aspx?AID=803 Aerial https://www.fairlawn.us/CivicAlerts.aspx?AID=797 |
|
Budejovice,
South Bohemia Budweis Czechia |
Strakonicka / Husova Tr. (48.99101, 14.44982) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Rotor turbo roundabout. | |
|
Hollister,
CA San Benito Co. United States |
SR 25 / SR 156 (36.89565, -121.42733) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 78.0288 |
Other (At-Grade) Multilane (3+ Lane) |
2024 | Rotor turbo roundabout. Opened December 2023; fully operational February 2024. https://www.sfgate.com/local/article/gilroy-california-turbo-roundabout-18585736.php |
|
Abbotsford,
BC Fraser Valley Regional District Canada |
Mt Lehman Rd. / Old Yale Rd. / Hwy 1 WB Entrance Ramp (49.05889, -122.38131) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 44.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2022 | Roundabout (multilane, 2x2) constructed 2006 to replace a two-way stop intersection. Roundabout replaced with traffic signal in 2022. |
|
Carrboro,
NC Orange Co. United States |
S Greensboro St. / Old Pittsboro Rd. / Rand Rd. (35.90351, -79.07245) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 26.1202 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | Roundabout added to support new commercial development on eastern side of S. Greensboro. Project is in construction, assumption is this will be a driveway onto S.Greensboro. ICD estimated from Google Maps linework. |
|
Cranberry Township,
PA Butler Co. United States |
Ehrman Rd. / Legend Creek Dr. (40.73862, -80.10153) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2022 | Roundabout added with construction of leg to north. Gated community on south leg. Year Completed estimated (2021-2022). |
|
Wichita,
KS Sedgwick Co. United States |
Oak Creek Pkwy. (37.72193, -97.21150) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2006 | Roundabout appears to be located to support future development on both sides of street. |
|
Bealeton,
VA Fauquier Co. United States |
Lafayette Ave. / Bowers Run Dr. (38.58888, -77.77173) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.5409 |
Other (At-Grade) Single-Lane |
2015 | Roundabout as part of new Mintbrook Development near Bealeton, VA ICD estimated from Google Maps linework. |
|
Kingston,
NY Ulster Co. United States |
Albany Ave. / I-587 (Colonel Chandler Dr.) / Broadway (41.93248, -74.01150) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | Roundabout at terminus of freeway. https://www.dailyfreeman.com/2021/08/02/kingston-roundabout-to-closed-for-paving-monday-tuesday-nights/ |
|
O'Fallon,
IL St. Clair Co. United States |
Cambridge Blvd. / St Francis Way / St Elizabeth's Blvd. (38.58493, -89.93023) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.6755 |
Other (At-Grade) Single-Lane |
2016 | Roundabout built by hospital. ICD estimated from Google Maps linework. |
|
Hilliard,
OH Franklin Co. United States |
Scioto Darby Rd. / Walcutt Rd. (40.01965, -83.14034) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 42.6717 |
Other (At-Grade) Single-Lane |
2021 | Roundabout built immediately north of signalized intersection. Signal removed & roundabout opened in August 2021. |
|
East Lansing,
MI Ingham Co. United States |
Bogue St. / Shaw Ln. (42.72575, -84.47185) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Roundabout built in 2000, removal date estimated (2013-2015). |
|
Bayonne,
NJ Hudson Co. United States |
Avenue E / I-78 Ramps (40.68260, -74.09906) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 54.8640 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2018 | Roundabout centered under I-78 freeway ramps. Year Completed estimated (2017-2018). |
|
Amelia Island,
FL Nassau Co. United States |
Beach Walker Rd. / Beachwood Rd. (30.55425, -81.44608) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2012 | Roundabout completed before 1999, removed 2011-2013. |
|
Albuquerque,
NM Bernalillo Co. United States |
Yale Blvd. NE / Camino de Salud (35.08985, -106.62158) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | Roundabout constructed 2008. Concentric striped circulatory roadway. Roundabout removed 2020-2021 with construction of hospital building. |
|
Shelby Township,
MI Macomb Co. United States |
E Avon Rd. / 23 Mile Rd. (42.67368, -83.09389) |
Roundabout Unknown |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | Roundabout constructed after completion of bridge and roundabout to the west is completed. |
|
Rio,
FL Martin Co. United States |
SR 707 (NE Dixie Hwy.) / NE Martin Ave. (27.21959, -80.23709) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2010 | Roundabout constructed by the Martin County CRA in coordination with the Rio 707 streetscape project. |
|
Bentonville,
AR Benton Co. United States |
N Walton Blvd. / I-49 SB Ramps (36.41346, -94.22015) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 91.4400 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2016 | Roundabout constructed in 2016. Removed 2020-2021 to reconfigure interchange as a single-point diamond interchange with a different mainline alignment. Circulatory roadway in front of south leg had a through-right arrow in the left circulating lane and a fishhook through arrow with a dot in the right lane. |
|
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. |
|
Warwick,
RI Kent Co. United States |
Greenwich Ave. / Centerville Rd. / Veterans Memorial Dr. (41.70038, -71.46021) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 108.7906 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | Roundabout fully operational in Fall 2016. Minor landscaping work and minor curb work required to fully complete construction. New roadway - Veteran's Memorial Drive Extension not shown on mapping. This new road connects to the new roundabout at Toll Gate Road to the west. ICD estimated from Google Maps linework. |
|
(unincorporated),
CO Douglas Co. United States |
Titan Rd. / Eagle River St. (39.50721, -105.03658) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 51.6027 |
Other (At-Grade) Single-Lane |
2017 | Roundabout has been constructed, but is not being fully utilized yet until the Sterling Ranch development is complete. ICD estimated from Google Maps linework. |
|
Langley,
BC Greater Vancouver Canada |
202 St. / Trans-Canada Hwy HOV Ramps (49.16182, -122.66008) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.9920 |
Freeway Ramps (Grade-Separated) Single-Lane |
2011 | Roundabout in between and below freeway lanes, serving HOV lanes via left-hand ramps on the freeway. Fourth leg (EB onramp and WB offramp) closed off. Year Completed estimated (2008-2013). 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, unspecified) |
2000 | Roundabout installed, although cross street not initially constructed. |
|
Honolulu,
HI Oahu Co. United States |
Likini St. / Ala Ilima St. / Ala Lilikoi St. (21.35054, -157.91460) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.4720 |
Other (At-Grade) Single-Lane |
2000 | Roundabout is 500 ft from Salt Lake Elementary School. http://starbulletin.com/2000/02/28/news/story9.html ICD estimated from Google Maps linework. |
|
St-Jean-Sur-Richelieu,
QC Le Haut-Richelieu Regional County Municipality Canada |
Chemin de la Grande Ligne / 3e Rang S (45.28342, -73.20959) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.8988 |
Other (At-Grade) Single-Lane |
2014 | Roundabout is about 100 feet north of previous intersection. date: https://translate.google.com/translate?hl=en&sl=fr&u=http://www.portailconstructo.com/actualites/grands_chantiers/autoroute_vallee_des_forts_35 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. |
|
Trondheim,
Trondelag Trondheim Norway |
Rte 706 / Rte 715 (Steinbergtunnelen) (63.42761, 10.36371) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 21.9045 |
Other (At-Grade) Single-Lane |
Roundabout is completely within tunnel. ICD estimated from Google Maps linework. | |
|
Warwick,
RI Kent Co. United States |
Toll Gate Rd. (Rte 115) / Centerville Rd. (Rte 117) / Veteran's Memorial Drive Extension (41.69815, -71.46408) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.9384 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | Roundabout is fully operational as of fall 2016 but still has landscape work and other minor work to be completed. There is a NEW roadway not shown on the aerial mapping - it is the Veteran's Memorial Drive Extension. ICD estimated from Google Maps linework. |
|
Manchester,
VT Bennington Co. United States |
Rte. 7A / Equinox (Grand Union) (43.17309, -73.06181) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.1304 |
Other (At-Grade) Single-Lane |
1997 | Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
Howard,
WI Brown Co. United States |
Lineville Rd. (CTH M) / Cardinal Ln. (CTH EB) (44.59090, -88.08430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.7684 |
Other (At-Grade) Single-Lane |
1999 | Roundabout is near Forest Glen Elementary School, Lineville Intermediate School, and Bay Port High School. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Green,
OH Stark Co. United States |
Mount Pleasant St. NW / Pittsburg Ave. / Mayfair Rd. (40.90675, -81.42386) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Roundabout is on the border between City of Green and Jackson Township. https://www.cantonrep.com/story/news/local/2024/04/17/pittsburg-and-mount-pleasant-intersection-closing-monday/73357975007/ |
|
Lees Summit,
MO Jackson Co. United States |
SW Jefferson St. / SW Blue Pkwy / US 50 WB Ramps (38.90430, -94.37773) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 59.4360 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2018 | Roundabout is one terminal of a Diverging Diamond Interchange (DDI). Opened May 2018. |
|
South Windsor,
CT Hartford Co. United States |
Hemlock Ave. / Evergreen Way (41.81417, -72.55495) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.3975 |
Other (At-Grade) Single-Lane |
2004 | Roundabout is part of The Shops at Evergreen Walk retail center. ICD estimated from Google Maps linework. |
|
Northglenn,
CO Adams Co. United States |
Melody Dr. / Kennedy Dr. (39.89222, -104.99270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.6541 |
Other (At-Grade) Single-Lane |
1999 | Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework. |
|
De Pere,
WI Brown Co. United States |
Dickinson Rd. (CTH G) / Swan Rd. (44.43908, -88.03475) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.0241 |
Other (At-Grade) Single-Lane |
2001 | Roundabout is slightly east of the Chicago/Libal roundabout and is surrounded by businesses and East De Pere Middle School. Roundabout serves as the entrance to a medical clinic. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework. |
|
De Pere,
WI Brown Co. United States |
Dickinson Rd. (CTH G) / East River Dr. (44.43684, -88.02830) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.7306 |
Other (At-Grade) Single-Lane |
2001 | Roundabout is slightly east of the Chicago/Swan roundabout and is located in a residential area. Roundabout is near East De Pere Middle School and De Pere High School. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework. |
|
Howard,
WI Brown Co. United States |
Velp Ave. (CTH HS) / Woodale Ave. (CTH EB) (44.57293, -88.07800) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.3300 |
Other (At-Grade) Single-Lane |
2002 | Roundabout Located near industrial park, rail line, and the Mountain-Bay Recreational Trail. Roundabout is at the intersection of two county highways and is slightly larger than the roundabouts built in 1999 and 2001 in Howard and De Pere. Completed August 2002. http://www.co.brown.wi.us/Planning/roundabouts.html. Fatal crash June 5, 2011. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
De Pere,
WI Brown Co. United States |
Grant St. (CTH EE) / S 9th St. (44.44506, -88.09000) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.4324 |
Other (At-Grade) Single-Lane |
2003 | Roundabout located within residential neighborhood that also contains a few small businesses and a fire station. One of the fire station driveways directly accesses the roundabout. Completed August 2003. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework. |
|
Dandenong South,
VIC Greater Dandenong Australia |
SR 12 (S Gippsland Hwy.) / Pound Rd. (-38.02665, 145.24364) |
Roundabout Removed |
All-Way Yield Metering Signal |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Roundabout metering signals on south leg in 2006 for PM peak. Roundabout removed 2014. |
|
Lehi,
UT Utah Co. United States |
E 3200 N / Center St. (40.42800, -111.84974) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2007 | Roundabout modified in 2016-2017 to reduce width of truck apron and increase circulatory roadway width. 21442 |
|
Haslet,
TX Tarrant Co. United States |
Eagle Blvd. / Prairie Breeze Dr. (32.94019, -97.38570) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways 54.8637 |
Other (At-Grade) Single-Lane |
2014 | Roundabout near high school and elementary school. Large ICD due to heavy oil and gas drilling in vicinity. |
|
Raleigh,
NC Wake Co. United States |
Oberlin Rd. / Pullen Rd. / Groveland Ave. (35.78653, -78.66136) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2010 | Roundabout on tilted plane with central island on steeper plane to manage circulatory roadway cross slope. |
|
Fairfield Township,
OH Butler Co. United States |
Millikin Rd. / Morris Rd. / Carter Cir. (39.40585, -84.49448) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2024 | Roundabout opened August 3, 2024. |
|
Carmel,
IN Hamilton Co. United States |
W 106th St. / Illinois St. (39.94160, -86.16133) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | Roundabout opened in 2015; however, work continued through mid-2016 on the east leg of the roundabout associated with construction of an adjacent roundabout at the 106th Street/Meridian Street interchange. |
|
Highland,
IL Madison Co. United States |
US 40 / IL 160 / Poplar St. (38.75010, -89.67197) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9832 |
Other (At-Grade) Single-Lane |
2004 | Roundabout operating nicely with no accidents reported during first six months of operation. Completed October 2004. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Hoffman Estates,
IL Cook Co. United States |
Essex Dr. / Beacon Pointe Dr. (42.06310, -88.23064) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.2604 |
Other (At-Grade) Single-Lane |
2007 | Roundabout pictures available at Village Website http://www.hoffmanestates.org/government/departments-comdev-transportation.shtml#InterestandInfo Functional Class: Collector ICD estimated from Google Maps linework. |
|
James City,
NC Craven Co. United States |
W Grantham Rd. / Pine St. (35.06418, -77.02352) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2023 | Roundabout relocated to be approximately 50 feet from railroad track. Intersection moved approximately 350 feet southwest of the original location. Previous intersection was controlled with stop signs on 3 of the approaches. https://www.witn.com/2023/09/05/james-city-traffic-roundabout-set-open-friday/ |
|
Oshkosh,
WI Winnebago Co. United States |
STH 21 (Omro Rd.) / N Koeller St. / Oshkosh Ave. (44.03258, -88.57882) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2012 | Roundabout relocated to west of previous intersection. Series of 4 roundabouts. Opened June 18, 2012. |
|
Nampa,
ID Canyon Co. United States |
E Franklin Rd. / Star Rd. / N Robinson Rd. (43.60497, -116.49357) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2012 | Roundabout removed 2020 in conjunction with construction of Amazon center. Original roundabout completed 2012 and had right-turn-only lanes on north and south legs. |
|
Miami Lakes,
FL Miami-Dade Co. United States |
Palmetto Frontage Rd. / NW 89th Ave. / (school parking lot) (25.90028, -80.34457) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.2310 |
Other (At-Grade) Single-Lane |
2005 | Roundabout replaced a raindrop-shaped cul-de-sac. ICD estimated from Google Maps linework. |
|
La Conner,
WA Skagit Co. United States |
LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr. (48.39234, -122.48660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.5504 |
Other (At-Grade) Single-Lane |
2003 | Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial 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. |
|
Crown Point,
IN Lake Co. United States |
US 231 / Saint Francis Dr. (41.38987, -87.31972) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2023 | Roundabout serves hospital. Year Completed estimated (2023-2024). |
|
Oakland,
FL Orange Co. United States |
SR 438 / W Oakland Ave. / W Orange Trl. / JW Jones Rd. (28.54757, -81.65162) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2023 | Roundabout shifted approximately 250 feet north of previous stop-controlled intersection. |
|
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. |
|
Täby,
Stockholm County Täby Sweden |
Stora Marknadsvägen / Täby allé (59.44502, 18.07554) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 28.5363 |
Other (At-Grade) Single-Lane |
Roundabout stacked below another roundabout. ICD estimated from Google Maps linework. | |
|
De Pere,
WI Brown Co. United States |
Chicago St. (CTH G) / Libal St. (44.44026, -88.03812) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.8455 |
Other (At-Grade) Single-Lane |
2001 | Roundabout surrounded by homes, businesses, East De Pere Middle School, and De Pere High School. Roundabout serves as main entrance to the high school. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html 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. |
|
Howard,
WI Brown Co. United States |
Belmont Rd. / Belle Plane Rd. (44.58361, -88.09459) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.9671 |
Other (At-Grade) Single-Lane |
2000 | Roundabout was constructed in center of residential subdivision south of Lineville Road. Roundabout is slightly smaller than the Lineville roundabouts. Completed August 2000. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Local ICD estimated from Google Maps linework. |
|
Knightdale,
NC Wake Co. United States |
Hinton Oakes Blvd. / Lynnwood Rd. (35.79374, -78.51039) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.6876 |
Other (At-Grade) Single-Lane |
2007 | Roundabout was designed to accommodate existing utilities and connect two existing roads and a driveway to a new retail outlet. Functional Class: Arterial ICD estimated from Google Maps linework. |
|
Langley,
BC Greater Vancouver Canada |
232 St. / 72 Ave. / Trans Canada 1 WB On-ramp (49.13829, -122.58135) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 37.5059 |
Freeway Ramps (Grade-Separated) Single-Lane |
2013 | Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework. |
|
Balgonie,
SK Saskatchewan Canada |
Hwy 46 / Hwy 1 EB Ramps (50.47618, -104.28151) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.5236 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Roundabouts at the ramp terminal on both sides of a diamond interchange. ICD estimated from Google Maps linework. |
|
Balgonie,
SK Saskatchewan Canada |
Hwy 46 / Hwy 1 WB Ramps (50.47802, -104.28495) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.0422 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Roundabouts at the ramp terminal on both sides of a diamond interchange. ICD estimated from Google Maps linework. |
|
Toruń,
Kujawsko-pomorskie Toruń Poland |
Rondo Czadcy [Sylwestra Kaliskiego / Legionów / Długa / Wielki Rów] (53.03317, 18.60062) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Rounded square shaped with no entry curvature. | |
|
Carmel,
IN Hamilton Co. United States |
W 106th St. / Towne Rd. (39.94132, -86.20314) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2017 | RRFB added: https://content.govdelivery.com/accounts/INCARMEL/bulletins/37421df |
|
Beaverton,
OR Washington Co. United States |
SW 92nd Ave. / SW Allen Blvd. (45.47149, -122.77200) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2022 | RRFB at shared-use crossing on south leg serving Fanno Creek Trail. https://www.beavertonoregon.gov/718/CIP-3112---Allen-Blvd92nd-Ave-Shared-Use?contentId=2643d655-60c2-481d-bf75-2f33d242b523 |
|
Sterling,
MA Worcester Co. United States |
Leominster Rd. (Rte 12) / I-190 SB Ramps (42.46038, -71.74610) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
3 Approaches 0 Driveways 41.4121 |
Freeway Ramps (Grade-Separated) Single-Lane |
2018 | RRFB ICD estimated from Google Maps linework. |
|
Blue Ash,
OH Hamilton Co. United States |
Plainfield Rd. / Peppermill Ln. / Reed-Hartman Hwy. (39.23083, -84.39482) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | RRFB on all four legs. https://www.blueash.com/departments/public_works/hunt_plainfield.php |
|
Carmel,
IN Hamilton Co. United States |
W 116th St. / Shelbourne Rd. (39.95578, -86.22234) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Single-Lane |
2006 | RRFBs added to north and east single-lane legs in 2024. |
|
Bellingham,
WA Whatcom Co. United States |
Northwest Ave. / I-5 NB Ramp (48.78500, -122.50420) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.4117 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | RT bypass lane on southbound approach. ICD estimated from Google Maps linework. |
|
La Quinta,
CA Riverside Co. United States |
Jefferson St. / Avenue 52 (33.67096, -116.26870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.6860 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | RT bypass lanes on all legs. ICD estimated from Google Maps linework. |
|
Glen Burnie,
MD Anne Arundel Co. United States |
George Clausse Blvd. / (parking access) (39.14768, -76.64935) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.3442 |
Other (At-Grade) Single-Lane |
2008 | RT lanes on eastbound and northbound approaches. Part of shopping center. ICD estimated from Google Maps linework. |
|
Jensen Beach,
FL Martin Co. United States |
SR 707 / Pineapple Dr. / Jensen Beach Causeway (27.25074, -80.22818) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.7914 |
Other (At-Grade) Single-Lane |
1999 | RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework. |
|
Fitchburg,
MA Worcester Co. United States |
Rindge Rd. / John Fitch Hwy / Mechanic St. (Rte 31) / Ashby State Rd. (Rte 31) (42.60170, -71.80156) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.8900 |
Other (At-Grade) Single-Lane |
2010 | RTYL ICD estimated from Google Maps linework. |
|
Kelowna,
BC Central Okanagan Canada |
Water St. / Queensway Transit Exchange (49.88734, -119.49663) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 31.5494 |
Other (At-Grade) Single-Lane |
2014 | Running Man statue in central island. 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. |
|
Maryville,
IA Fayette Co. United States |
IA 3 / IA 187 (42.68763, -91.64565) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.5057 |
Other (At-Grade) Single-Lane |
2009 | Rural ICD estimated from Google Maps linework. |
|
(unincorporated),
OR Washington Co. United States |
Scholls Ferry Rd. / River Rd. (45.42222, -122.91619) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.2667 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Rural location with high-speed approaching roadways; realignment of each approach reduces speed. ICD estimated from Google Maps linework. |
|
Cedar Lake Township,
MN Scott Co. United States |
SH 13 (Langford Ave.) / CR 2 (260th St.) (44.57259, -93.50546) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.9429 |
Other (At-Grade) Single-Lane |
2005 | Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
|
(unincorporated),
IA Buchanan Co. United States |
120th St. / Baxter Ave. (42.61280, -92.05736) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2012 | Rural with high-speed approaches. |
|
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. |
|
Campton Hills,
IL Kane Co. United States |
SR 47 / Burlington Rd. (41.98813, -88.47064) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2016 | Rural, high-speed approaches. |