City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Merced,
CA Merced Co. United States |
Pacific Dr. / El Redondo Dr. (37.33543, -120.49525) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2004-2005). |
Merced,
CA Merced Co. United States |
Pacific Dr. / Horizons Ave. (37.33557, -120.48947) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Bakersfield,
CA Kern Co. United States |
Wings Way / Citation Way (35.43966, -119.05212) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2019 | Marked with double left turns but only one receiving exit lane. Year Completed estimated (2018-2020). |
Bakersfield,
CA Kern Co. United States |
Highgate Park Blvd. / Pemberley Passage Ave. (35.33797, -119.16322) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2017-2018). |
Bakersfield,
CA Kern Co. United States |
Pemberley Passage Ave. / Hovington Ave. (35.33823, -119.15104) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2016). |
Basingstoke,
England Hants United Kingdom |
A30 (Winchester Rd.) / A340 (Ringway West - Ringway South) (51.25513, -1.10357) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
Basingstoke,
England Hants United Kingdom |
Black Dam Roundabout: A30 / A339 (51.26302, -1.06631) |
Other Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Some direct movements through central island. | |
Basingstoke,
England Hants United Kingdom |
B3400 (Worting Rd.) / Buckskin Ln. (51.26167, -1.12660) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
(unincorporated),
TX Hays Co. United States |
Ledge Stone Dr. / Rocky Ridge Trl. (30.20694, -97.97889) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2007 | Initially constructed 2006-2008 with southeast and northeast legs. Northwest leg added 2013-2014. Southwest leg added 2020-2021. |
Fond du Lac,
WI Fond Du Lac Co. United States |
E Pioneer Rd. / CR V (43.75489, -88.42185) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2019 | https://www.fdl.wi.gov/engineering/wp-content/uploads/sites/14/2019/09/Media-Advisory-092019.pdf |
Dieppe,
NB Westmorland Canada |
Gauvin Rd. / Alain-Gillette St. / Rue du College (46.09572, -64.74054) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0000 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2017-2021). |
Pflugerville,
TX Travis Co. United States |
Commons Pkwy. / Ambling Trl. (30.48456, -97.57125) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2006-2008). |
Austin,
TX Williamson Co. United States |
Lakeline Mall Dr. / Lyndhurst St. (30.47763, -97.78664) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2016). |
Pflugerville,
TX Travis Co. United States |
N Cascades Ave. / Great Basin Ave. (30.46198, -97.61835) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2004-2005). |
Pflugerville,
TX Travis Co. United States |
NE Metro Park Rd. / (unknown) (30.40890, -97.59725) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2016). |
West Fargo,
ND Cass Co. United States |
7th St. W / 19th Ave. W / 10th St. W (46.85395, -96.91104) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.8600 |
Other (At-Grade) Single-Lane |
2018 | |
Oromocto,
NB Sunbury Canada |
Miramichi Rd. / St Lawrence Ave. (45.84055, -66.48024) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 67.0000 |
Other (At-Grade) Single-Lane |
Before 2002. | |
Riverview,
NB Albert Canada |
Bridgedale Blvd. / Runneymeade Rd. (46.06430, -64.76196) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.0000 |
Other (At-Grade) Single-Lane |
2021 | East leg stubbed. Year Completed estimated (2020-2021). https://www.townofriverview.ca/news/bridgedale-boulevard-is-taking-shape |
Waterloo,
ON Waterloo Canada |
Millennium Blvd. / Crossgate Blvd. (43.52326, -80.49690) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0000 |
Other (At-Grade) Single-Lane |
2011 | West leg stubbed. Year Completed estimated (2009-2012). |
Rochester,
MN Olmsted Co. United States |
Bella Terra Rd. NE / Shannon Oaks Blvd. NE (44.03676, -92.41353) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.8600 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | Mini-roundabout. |
Guelph,
ON Wellington Canada |
Frederick Dr. / Colonial Dr. / Goodwin Dr. (43.51457, -80.17591) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.0000 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2006-2009). |
Guelph,
ON Wellington Canada |
Goodwin Dr. / Hall Ave. / Tolton Dr. (43.51005, -80.17930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.0000 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2006-2009). |
Guelph,
ON Wellington Canada |
Goodwin Dr. / Beaver Meadow Dr. (43.50679, -80.18360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.0000 |
Other (At-Grade) Single-Lane |
2002 | Year Completed estimated (2000-2006). |
Guelph,
ON Wellington Canada |
Clairfields Dr. / Farley Dr. (43.50556, -80.19153) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.0000 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1998-2006). |
Freedom,
PA Beaver Co. United States |
SR 989 (Dunlap Hill Rd.) / Freedom Crider Rd. (40.67684, -80.19046) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2022 | Year Completed estimated (2022-2023). |
Pittsburgh,
PA Allegheny Co. United States |
Crawford Rd. / Buckingham Dr. / Cobblestone Dr. (40.53998, -80.08945) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2008-2010). |
Platten,
Rhineland-Palatinate Bernkastel-Wittlich Germany |
K56 / B50-E42 Ramps (49.95063, 6.92518) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Single-Lane |
||
Altrich,
Rhineland-Palatinate Bernkastel-Wittlich Germany |
L52 / K56 (49.94688, 6.91149) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Basingstoke,
England Hants United Kingdom |
A30 (Ringway South) / A339 (Hackwood Rd.) (51.25770, -1.08197) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Basingstoke,
England Hants United Kingdom |
A339 (Hackwood Rd.) / Grove Rd. (51.25453, -1.07968) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
Basingstoke,
England Hants United Kingdom |
Golden Lion Roundabout: Grove Rd. / Jay's Close / The Harrow Way / Cliddesden Rd. (51.25073, -1.08811) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Rice Lake,
WI Barron Co. United States |
STH 48 (21st Ave.) / West Ave. / 19th St. (45.50939, -91.76507) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Single-Lane |
2020 | https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html |
Bismarck,
ND Burleigh Co. United States |
43rd Ave. NE / N 19th St. (46.85254, -100.76214) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2022 | |
Parma,
MI Jackson Co. United States |
W Michigan Ave. / Norton Rd. / I-94 WB Ramps (42.26653, -84.62125) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2022 | Combined two intersections. https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/ |
Maple Grove,
MN Hennepin Co. United States |
Territorial Rd. / Fernbrook Ln. N (45.14293, -93.46214) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | Elliptical shaped. ICD = 105 ft x 100 ft. https://maplegrovevoice.com/f/project-update-fernbrook-lane-territorial-road-intersection |
Middlesboro,
KY Bell Co. United States |
SR 2079 (Winchester Ave.) / SR 2401 (S Petersborough Ave.) (36.60367, -83.72960) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.3360 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2022 | |
Lakewood,
WA Pierce Co. United States |
Washington Blvd. SW / Interlaaken Dr. SW (47.14862, -122.54186) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). |
Lathrop,
MO Clinton Co. United States |
US 69 / MO-116 (39.55283, -94.23581) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.modot.org/clinton-county-us-route-69-and-route-116-intersection-improvement-project |
Lima,
OH Allen Co. United States |
SR 309 / S Thayer Rd. (40.73112, -84.01320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2022 | https://www.hometownstations.com/news/saving-lives-is-the-goal-of-allen-countys-two-new-roundabouts-on-state-route-309/article_f37f2a24-1d8c-11ed-abd6-fbf254cf9124.html |
Harrod,
OH Allen Co. United States |
SR 309 / S Napoleon Rd. (40.73202, -83.93435) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | https://www.hometownstations.com/news/saving-lives-is-the-goal-of-allen-countys-two-new-roundabouts-on-state-route-309/article_f37f2a24-1d8c-11ed-abd6-fbf254cf9124.html |
Cumming,
GA Cherokee Co. United States |
Holbrook Campground Rd. / Birmingham Hwy. / County Line Rd. (34.21315, -84.27118) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2022-2023). |
Colorado Springs,
CO El Paso Co. United States |
Struthers Rd. / Gleneagle Dr. / Gleneagle Gate View (39.03042, -104.83108) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 64.0080 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2020 | Oval shaped. ICD = 210 ft x 185 ft. |
Castle Rock,
CO Douglas Co. United States |
N Meadows Dr. / (unknown) (39.41690, -104.89226) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2021 | |
Aurora,
CO Arapahoe Co. United States |
E Ellsworth Ave. / Robertsdale St. (39.71661, -104.67347) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2018-2019). |
Aurora,
CO Arapahoe Co. United States |
E Ellsworth Ave. / Trussville St. / 1st Ave. (39.71830, -104.66897) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2021 | Year Completed estimated (2020-2021). |
Commerce City,
CO Adams Co. United States |
Walden St. / E 105th Ave. (39.88769, -104.77644) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Commerce City,
CO Adams Co. United States |
E 112th Ave. / Potomac St. (39.89963, -104.82770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
Colorado Springs,
CO El Paso Co. United States |
Shiloh Mesa Dr. / Mulberry Dr. (38.94332, -104.67591) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2019). |
Colorado Springs,
CO El Paso Co. United States |
Royal Pine Dr. / Purple Plum Way (38.97220, -104.75351) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2010 | Year Completed estimated (2007-2011). |
Warrnambool,
VIC Warrnambool Australia |
Harris St. / Elliott St. (-38.39168, 142.46952) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Colorado Springs,
CO El Paso Co. United States |
Bradley Rd. / SR 83 (S Academy Blvd.) NB Ramps / Cody Dr. (38.77019, -104.75705) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2007 | Year Completed estimated (2006-2007). |
Colorado Springs,
CO El Paso Co. United States |
Peak Innovation Pkwy. / Integration Loop (38.77922, -104.71029) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Yield-controlled right-turn bypass lanes on north and south legs. Add-lane right-turn bypass lanes on east and west legs. Year Completed estimated (2020-2021). |
Colorado Springs,
CO El Paso Co. United States |
Shale Dr. / Graphite Dr. (38.89675, -104.67676) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Single-Lane |
2018 | Very wide circulatory roadway relative to entry width. Year Completed estimated (2017-2019). |
Colorado Springs,
CO El Paso Co. United States |
Mustang Rim Dr. / Durango Kid Dr. (38.92918, -104.68881) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimated (2011-2015). |
Nibley,
UT Cache Co. United States |
W 3200 S / S 1200 W (41.67509, -111.86225) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2020-2022). |
Okotoks,
AB Division 6 Canada |
D'Arcy Blvd. / Sandstone Dr. / Larkspur Bend (50.73559, -113.98112) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.0000 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2017-2021). |
Warrnambool,
VIC Warrnambool Australia |
Henna St. / Kerr St. / (parking) (-38.37741, 142.47912) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
Peanut shaped. | |
Warrnambool,
VIC Warrnambool Australia |
Kerr St. / Hider St. (-38.37614, 142.47592) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Warrnambool,
VIC Warrnambool Australia |
Canterbury Rd. / King St. / Bromfield St. (-38.37497, 142.48227) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Warrnambool,
VIC Warrnambool Australia |
Bromfield St. / Botanic Rd. (-38.37263, 142.48273) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Warrnambool,
VIC Warrnambool Australia |
Laverock St. / Tait Crescent / Churchill St. (-38.36794, 142.46879) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-lane w/ Traversable Central Island |
||
Pleasant Grove,
UT Utah Co. United States |
S Doterra Dr. / (parking) (40.35787, -111.75869) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2013-2015). |
Pleasant Grove,
UT Utah Co. United States |
S 1300 W / S Doterra Dr. / W 550 S (40.35779, -111.75992) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2019-2020). |
American Fork,
UT Utah Co. United States |
W Grove Pkwy. / W Granite Way (40.35335, -111.76878) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2006-2009). |
Elk Ridge,
UT Utah Co. United States |
Elk Ridge Dr. / W Goosenest Dr. (40.01976, -111.68754) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2015-2016). |
Woodland Hills,
UT Utah Co. United States |
S Woodland Hills Dr. / W 11200 S (40.02750, -111.65378) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2003-2004). |
Syracuse,
UT Davis Co. United States |
W Parkview Dr. / S 2000 W (41.06461, -112.06470) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2017-2018). |
Salt Lake City,
UT Salt Lake Co. United States |
Parleys Canyon Blvd. / S 2000 E / Country Club Cir. (40.71923, -111.83359) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2021 | No splitter island on north leg; pedestrian ramp can lead directly into circulatory roadway. Year Completed estimated (2020-2021). |
West Valley City,
UT Salt Lake Co. United States |
Antelope Rd. / Hawker Ln. (40.70728, -112.05997) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1997-2002). |
West Valley City,
UT Salt Lake Co. United States |
Collie Dr. / Dalmatian St. / Labrador Cir. (40.70477, -112.05642) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2004 | |
Draper,
UT Salt Lake Co. United States |
E 12200 S / S 450 E (40.52807, -111.87785) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2013 | Year Completed estimated (2013-2014). |
Varberg,
Halland County Varbergs kommun Sweden |
Föreningsgatan / Engelbrektsgatan (57.10653, 12.27300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2010 | Constructed before 2010. |
Varberg,
Halland County Varbergs kommun Sweden |
Engelbrektsgatan / Östra vägen (57.10708, 12.26924) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2010 | Constructed before 2010. |
Saskatoon,
SK Division 11 Canada |
Nelson Rd. / (parking) (52.14987, -106.57944) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0000 |
Other (At-Grade) Single-Lane |
2005 | No splitter islands on north and south legs. Year Completed estimated (2004-2005). |
Saskatoon,
SK Division 11 Canada |
Nelson Rd. / (parking) (52.14844, -106.58254) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0000 |
Other (At-Grade) Single-Lane |
2005 | At entrance to school. No splitter islands on northwest and southeast legs. Year Completed estimated (2004-2005). |
Calgary,
AB Division 6 Canada |
Seton Way SE / 212 Ave. SE / Union Ave. / Seton Cir. SE (50.86832, -113.95356) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2019 | Year Completed estimated (2017-2020). |
Calgary,
AB Division 6 Canada |
Seton Way SE / Seton Ave. SE (50.87133, -113.95589) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2019 | Year Completed estimated (2017-2020). |
Thornton,
CO Adams Co. United States |
Tamarac St. / E 129th Ave. / Tamarac Way (39.93026, -104.89660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Thornton,
CO Adams Co. United States |
131st Ave. / Oneida St. (39.93268, -104.90764) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Thornton,
CO Adams Co. United States |
Holly Cir. / Jasmine St. (39.92580, -104.91863) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Henderson,
CO Adams Co. United States |
Henderson Rd. / E 124th Ave. / Park Blvd. (39.92505, -104.87550) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2022 | Merging right-turn bypass lanes on north and east legs. https://adcogov.org/henderson-rd-park-blvd-roundabout-project |
Brighton,
CO Adams Co. United States |
Southgate Blvd. / Gateway St. (39.91320, -104.83390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2018 | Year Completed estimated (2018-2019). |
Commerce City,
CO Adams Co. United States |
E 119th Ave. / Oakland St. / (unknown) (39.91279, -104.84949) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2003-2004). East leg added 2008-2010. |
Brighton,
CO Adams Co. United States |
156th Ave. / 157th Ave. / Syracuse Way (39.97989, -104.89921) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2018-2019). |
Thornton,
CO Adams Co. United States |
Grant St. / E 146th Ave. / (parking) (39.96090, -104.98184) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2018 | Year Completed estimated (2018-2019). |
Thornton,
CO Adams Co. United States |
Grant St. / E 143rd Pl. (39.95485, -104.98191) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2013 | Opened with north and west legs 2013. South and east legs added 2015. |
Thornton,
CO Adams Co. United States |
Grant St. / E 141 Pl. (39.95214, -104.98286) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2016 | West leg added 2022-2023. |
Thornton,
CO Adams Co. United States |
Lincoln St. / E 141st Pl. / (parking) (39.95280, -104.98624) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2013 | |
Thornton,
CO Adams Co. United States |
Grant St. / E 140th Ave. / (parking) (39.94932, -104.98311) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 62.4840 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2018 | Year Completed estimated (2018-2019). |
Brighton,
CO Adams Co. United States |
Longs Peak St. / Silo Ct. (39.99463, -104.75777) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). |
Brighton,
CO Adams Co. United States |
Longs Peak St. / Baler Ct. (39.99464, -104.75476) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2021-2022). |
Broomfield,
CO Broomfield Co. United States |
W 169th Ave. / Palisade Pkwy. (40.00437, -104.99443) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2014 | |
Lafayette,
CO Boulder Co. United States |
Roser Dr. / Crater Lake Ln. / Murphy Creek Dr. (39.99879, -105.13387) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2008-2010). |
Louisville,
CO Boulder Co. United States |
E Hecla Dr. / Snowberry Ln. (39.99167, -105.12415) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2007-2008). |
Louisville,
CO Boulder Co. United States |
E Hecla Dr. / Golden Eagle Way / Rose Ct. (39.99337, -105.12375) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2007-2008). |
Thornton,
CO Adams Co. United States |
E 162nd Ave. / Grant St. / (parking) (39.98980, -104.98308) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2007 | |
Thornton,
CO Adams Co. United States |
E 163rd Ave. / Elizabeth St. (39.99121, -104.95523) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2017-2018). |
Frederick,
CO Weld Co. United States |
Aggregate Blvd. / Wyndham Hill Pkwy. (40.09242, -104.99890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2006 | Right-turn-only lanes on north and south legs. Striped out portions of circulatory roadway. |
Longmont,
CO Boulder Co. United States |
Sundance Dr. / Twilight Dr. (40.19529, -105.06175) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2016 | Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017. |
Middleton,
ID Canyon Co. United States |
W Highland Ranch Pkwy. / N Branding Iron Ave. / W Blue Lightning St. (43.72344, -116.65073) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
No splitter islands on side street. Pedestrian crossings within or adjacent to circulatory roadway. |