City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Bozeman,
MT Gallatin Co. United States |
Catron St. / Blackbird Dr. (45.71193, -111.07903) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 20.8490 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Bozeman,
MT Gallatin Co. United States |
Cattail St. / Max Ave. (45.70770, -111.06912) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2021 | |
Bozeman,
MT Gallatin Co. United States |
Catron St. / Max Ave. (45.71218, -111.06908) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | |
Bozeman,
MT Gallatin Co. United States |
W Graf St. / S 17th Ave. (45.64943, -111.06043) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2017 | |
Bozeman,
MT Gallatin Co. United States |
N 15th Ave. / Beall St. / Ruth Thibeault Way (45.68213, -111.05694) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 14.1849 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2019 | https://www.ktvq.com/news/montana-news/roundabout-what-roundabout-some-bozeman-drivers-ignoring-roundabout-near-school ICD estimated from Google Maps linework. |
Bozeman,
MT Gallatin Co. United States |
S 11th Ave. / W Graf St. (45.64966, -111.05320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2017 | |
Bozeman,
MT Gallatin Co. United States |
S 11th Ave. / Arnold St. (45.65298, -111.05215) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2018 | |
Bozeman,
MT Gallatin Co. United States |
W College St. / S 11th Ave. (45.67113, -111.05200) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.2247 |
Other (At-Grade) Single-Lane |
2010 | Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. |
Bozeman,
MT Gallatin Co. United States |
W Graf St. / S 3rd Ave. (45.64930, -111.04692) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2020 | |
Canoa Ranch,
AZ Pima Co. United States |
W Canoa Ranch Dr. / I-19 SB ramps / I-19 Frontage Rd. (31.79019, -111.02242) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 48.7276 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
Green Valley,
AZ Pima Co. United States |
W Continental Rd. / S Camino del Sol (31.85536, -111.00657) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.4910 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Oro Valley,
AZ Pima Co. United States |
W Moore Rd. / La Cañada Dr. (32.43835, -110.99109) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.3430 |
Other (At-Grade) Single-Lane |
2019 | Right-turn-only lanes on all four legs. https://news.azpm.org/p/news-splash/2019/11/26/162279-oro-valley-opens-roundabout/ ICD estimated from Google Maps linework. |
Tucson,
AZ Pima Co. United States |
S Grande Ave. / W Cushing St. (32.21675, -110.98804) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.3134 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Tucson,
AZ Pima Co. United States |
W Hardy Rd. / N Camino de Anza / N Calle Buena Vista / N Northern Ave. (32.36640, -110.97874) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 44.3863 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
Nogales,
AZ Santa Cruz Co. United States |
SR 189 (N Mariposa Rd.) / Target Range Rd. (31.34754, -110.96447) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 65.5320 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | Yield-controlled right-turn bypass lanes on south and east legs. https://azdot.gov/adot-news/roundabout-opens-target-range-road |
Tucson,
AZ Pima Co. United States |
E Tucson Marketplace Blvd. / (parking lot) (32.18277, -110.94868) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.5196 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | ICD estimated from Google Maps linework. |
Armington,
MT Cascade Co. United States |
US 87-SR 200 / US 89 / (parking) (47.34909, -110.89673) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2022-2023). https://www.youtube.com/watch?v=7jSH18jbyKc |
Tucson,
AZ Pima Co. United States |
E Southpoint Rd. / E Outlook Dr. (32.14272, -110.84836) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Speed bumps in circulatory roadway. | |
Tucson,
AZ Pima Co. United States |
E Outlook Dr. / S McCulloch Dr. (32.14387, -110.84575) |
Other Existing |
Unknown Unknown |
2 Approaches 2 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Speed bumps in circulatory roadway. | |
Tucson,
AZ Pima Co. United States |
E Southpoint Rd. / S McCulloch Dr. (32.14076, -110.84515) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Speed bumps in circulatory roadway. | |
Tucson,
AZ Pima Co. United States |
Kolb Rd. / E Territory Dr. (32.30652, -110.84391) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2022 | Metal art in central island. |
Tucson,
AZ Pima Co. United States |
E Southpoint Rd. / S McRae Pl. (32.14260, -110.84237) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Speed bumps in circulatory roadway. | |
Jackson,
WY Teton Co. United States |
Gros Ventre Junction (US-26 / US 89 / US 191 / Golf Course Rd / Gros Ventre Rd) (43.57420, -110.73327) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 38.9371 |
Other (At-Grade) Single-Lane |
2018 | Under construction summer 2018. https://www.nps.gov/grte/planyourvisit/gros-ventre-roundabout.htm The Gros Ventre intersection on US Hwy 26/89/191 has an average daily traffic volume of approximately 14,200 vehicles and almost 200 bicycle riders during the summer season. ICD estimated from Google Maps linework. |
Jackson,
WY Teton Co. United States |
US 89 / US 191 (43.32233, -110.73067) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.2307 |
Other (At-Grade) Single-Lane |
2012 | Year Completed estimated (2009-2013). ICD estimated from Google Maps linework. |
Medicine Hat,
AB Division 1 Canada |
College Dr. / College Dr. (50.01654, -110.68389) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.0000 |
Other (At-Grade) Single-Lane |
2008 | Year Completed estimated (2005-2010). |
Medicine Hat,
AB Division 1 Canada |
2 Ave. SE / 8 St. SE (50.03145, -110.68217) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2024 | https://medicinehatnews.com/news/local-news/2024/10/04/hurry-before-the-snow-city-road-construction-nears-finish-line-as-fall-weather-arrives/ |
Medicine Hat,
AB Division 1 Canada |
College Dr. SE / (parking) (50.01817, -110.68204) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.0000 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2005-2009). |
Bonnyville No 87,
AB Alberta Canada |
AB Hwy 55 / AB Hwy 892 (54.45699, -110.48469) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 43.0454 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Sierra Vista,
AZ Cochise Co. United States |
Smith Ave. / Winrow Ave. / Cushing St. (31.55504, -110.36013) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
1992 | On base of Fort Huachuca. No truck apron. Very little speed control on east leg. Year Completed estimated (1985-1992). |
Sierra Vista,
AZ Cochise Co. United States |
Derum St. / Rucker St. / Smith Ave. / Winrow Rd. (31.55118, -110.34837) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
2011 | On base of Fort Huachuca. No truck apron. |
Sierra Vista,
AZ Cochise Co. United States |
Rucker St. / Cooney St. / Jeffords St. (31.55599, -110.34628) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2010 | Stop line at each entry. Pedestrian crossings within circulatory roadway. |
Sierra Vista,
AZ Cochise Co. United States |
Jeffords St. / Cushing St. (31.55698, -110.33997) |
Other Existing |
All-Way Stop None |
4 Approaches 0 Driveways 37.7952 |
Other (At-Grade) Single-Lane |
2010 | Stop line at each entry. Pedestrian crossings within circulatory roadway. |
Sierra Vista,
AZ Cochise Co. United States |
E Golden Acres Dr. / Canyon de Flores (31.50212, -110.25097) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | ADOT truck turnaround. Year Completed estimated (2013-2015). |
Oljato-Monument Valley,
UT San Juan Co. United States |
US 163 / Monument Valley Rd. (37.00424, -110.17341) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | https://www.nhonews.com/news/2018/jun/19/oljato-community-breaks-ground-roundabout-road-nav/ |
Show Low,
AZ Navajo Co. United States |
W Sugar Pine Way / S Torreon Loop (34.24261, -110.08372) |
Other Existing |
Unknown Unknown |
3 Approaches 1 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2007 | No splitter islands on two legs. One leg of the intersection is a private community access point. |
Show Low,
AZ Navajo Co. United States |
S Summit Trl. / W Sugar Pine Way / Spirea Ln. (34.24039, -110.07928) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.0896 |
Other (At-Grade) Single-Lane |
2007 | No splitter islands on two legs, and diverging double yellow lines on two legs. |
Show Low,
AZ Navajo Co. United States |
S Summit Trl. / Falling Leaf Rd. (34.23781, -110.07255) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2007 | No splitter islands on two legs, and diverging double yellow lines on two legs. |
Show Low,
AZ Navajo Co. United States |
S Summit Trl. / (parking) (34.23113, -110.06795) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2007 | No splitter islands on two legs, and diverging double yellow lines on two legs. |
Bisbee,
AZ Cochise Co. United States |
Bisbee Rd. / SR 80 / SR 92 (31.42830, -109.89230) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 104.9686 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Thatcher,
AZ Graham Co. United States |
W Golf Course Rd. / Hoopes Ave. / S Robinson Ave. (32.80760, -109.76289) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 62.2373 |
Other (At-Grade) Single-Lane |
2017 | http://leagueaz.org/connection/2018/0218/thatcher.html ICD estimated from Google Maps linework. |
Thatcher,
AZ Graham Co. United States |
W Church St. / N High School Ave. (32.84581, -109.75898) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://gilaherald.com/church-street-roundabout-open-for-business/ |
Safford,
AZ Graham Co. United States |
N 8th Ave. / Safford Bryce Rd. / Airport Rd. (32.85769, -109.71607) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://gilaherald.com/graham-county-roundabout-working-well/ |
Burnside,
AZ Apache Co. United States |
US 191 / AZ 264 (35.75473, -109.62710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2009 | Right-turn bypass lane. Elliptical shaped. ICE = 180 ft x 160 ft. |
Maeser,
UT Uintah Co. United States |
Main St. / Aggie Blvd. (40.45562, -109.56693) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Year Completed estimated (2009-2011). |
Chinle,
AZ Apache Co. United States |
Navajo Rte 27 / Navajo Rte 7 (36.15072, -109.55430) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2021 | https://www.nhonews.com/news/2021/jan/19/11-miles-navajo-route-27-paved-between-chinle-and-/ |
Red Lodge,
MT Carbon Co. United States |
US 212 (Broadway Ave.) / 3rd St. (45.19487, -109.24681) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 40.3987 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Fruita,
CO Mesa Co. United States |
CO-340 / Raptor Rd. (39.15351, -108.73813) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2337 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Fruita,
CO Mesa Co. United States |
CO-340 / I-70 EB Ramps / I-70 Frontage Rd. (39.15470, -108.73769) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways 40.7499 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Fruita,
CO Mesa Co. United States |
Aspen Ave. / Mesa St. (Park Square) (39.15884, -108.73360) |
Other Existing |
Unknown Unknown |
0 Approaches 0 Driveways 77.7908 |
Other (At-Grade) Unknown |
Completed 1940? ICD estimated from Google Maps linework. | |
Billings,
MT Yellowstone Co. United States |
Ironwood Dr. / Woodcreek Dr. (45.81641, -108.67716) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2003 | |
Billings,
MT Yellowstone Co. United States |
Central Ave. / 56th St. W (45.76970, -108.65917) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.mdt.mt.gov/pubinvolve/56thRoundabouts/ |
Billings,
MT Yellowstone Co. United States |
King Ave. W / S 56th St. W (45.75516, -108.65895) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.yourbigsky.com/local-news-2/billings-king-ave-56th-st-w-reopened/ |
Grand Junction,
CO Mesa Co. United States |
Broadway / Redlands Pkwy. (39.07812, -108.63467) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 41.7214 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
G Rd. / 23rd Rd. (39.10632, -108.62669) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2011 | Specifically designed for over-length, WB-110 trucks. |
Billings,
MT Yellowstone Co. United States |
King Ave. / St. Vincent Way (45.75520, -108.62260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.9990 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
St Mary Way / Marillac St. / Henry Chapple St. (45.75672, -108.62191) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.9980 |
Other (At-Grade) Single-Lane |
2013 | One approach stubbed out. ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Henry Chapple St. / St Vincent Way (45.75948, -108.61935) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 36.6630 |
Other (At-Grade) Single-Lane |
2013 | One approach stubbed out. ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / Grand Ave. (45.78407, -108.61760) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.1455 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Series of 8 roundabouts. Fatal crash 2012. 11861-05. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / Broadwater Ave. (45.77685, -108.61760) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 44.9815 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / Central Ave. (45.76963, -108.61760) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 53.3183 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / Monad Rd. (45.76236, -108.61760) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 46.6596 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / King Ave. (45.75507, -108.61760) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 58.3321 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / (Local Access) (45.74776, -108.61750) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 37.5041 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Series of 8 roundabouts. Main access to construction materials facility (600+ trucks per day). Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / Hesper Rd. (45.74060, -108.61740) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 43.3436 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Series of 8 roundabouts. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Rd. / Zoo Dr. (45.73609, -108.61740) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 41.6799 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Series of 8 roundabouts. Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Shiloh Crossing Blvd. / Olympic Blvd. (45.75216, -108.61570) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.1677 |
Other (At-Grade) Single-Lane |
2009 | Functional Class: Local ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
King Ave. / Olympic Blvd. (45.75507, -108.61360) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.1658 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
West End,
MT Yellowstone Co. United States |
Central Ave. / S 38th St. W (45.76969, -108.61240) |
Roundabout Existing |
All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2019 | |
Billings,
MT Yellowstone Co. United States |
Grand Ave. / 38th St. W (45.78400, -108.61111) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 44.9757 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Fourth leg stubbed. ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
24 Rd. / I-70 WB Ramps (39.11454, -108.60820) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.7732 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
24 Rd. / I-70 EB Ramps (39.11333, -108.60820) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.0672 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
24 Rd. / G Rd. (39.10637, -108.60819) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2023 | https://www.westernslopenow.com/news/local-news/the-artist-for-the-24-rd-roundabout-is-picked/ |
West End,
MT Yellowstone Co. United States |
Central Ave. / S 36th St. W (45.76949, -108.60726) |
Roundabout Existing |
All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK) |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2019 | |
Billings,
MT Yellowstone Co. United States |
Grand Ave. / 36th St. W (45.78403, -108.60541) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 50.8058 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2018 | Year Completed estimated (2015-2019). ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
MT Hwy 3 / Zimmerman Trl. (45.80647, -108.59981) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 44.1250 |
Other (At-Grade) Single-Lane |
2018 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
G Rd. / 24 1 / 2 Rd. (39.10635, -108.59870) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 34.2905 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Meadow View Dr. / Meadow View Dr. (45.78325, -108.59372) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2017 | South leg stubbed. Year Completed estimated (2015-2018). |
Grand Junction,
CO Mesa Co. United States |
G Rd. / 25th Rd. (39.10636, -108.58940) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 30.5834 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Independent Ave. / Sams Club entrance (39.08170, -108.58310) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 33.3754 |
Other (At-Grade) Single-Lane |
2003 | Serves commercial development parking lot. ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Park Dr. / Meander Dr. / Meander Ct. (39.09085, -108.57322) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2006-2011). |
Grand Junction,
CO Mesa Co. United States |
Grand Ave. / N 1st St. / SR 340 (Broadway) / I-70 Business Loop (39.07031, -108.57097) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2022 | https://www.codot.gov/news/2021/august-2021/1st-street-roundabout-project-enters-new-phase |
Grand Junction,
CO Mesa Co. United States |
Colorado Ave. / S. 2nd St. (39.06636, -108.56950) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 25.9643 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Main St. / 7th St. (39.06731, -108.56104) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.8912 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Horizon Dr. / 12th St. (39.10165, -108.55234) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
1998 | Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout. |
Grand Junction,
CO Mesa Co. United States |
Main St. / N 13th St. / S 13th St. (39.06731, -108.55072) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2023 | https://www.gjsentinel.com/news/western_colorado/mini-roundabout-installed-at-13th-and-main/article_bbcc8188-a4fb-11ee-bc44-b755269e8d08.html |
Grand Junction,
CO Mesa Co. United States |
Horizon Dr. / I-70 EB Ramps / Horizon 70 Ct. (39.11140, -108.54051) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.0420 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2015 | ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Horizon Dr. / I-70 WB Ramps (39.11215, -108.53938) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.0415 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2015 | ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Hwy 3 / 27th St. / Airport Rd. (45.80209, -108.53540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7937 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Located at Billings airport. Functional Class: Principal Arterial ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Falcon Way / Sunstrand Way (39.12315, -108.53169) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2006-2011). |
Grand Junction,
CO Mesa Co. United States |
Horizon Dr. / H Rd. / Eagle Dr. (39.11827, -108.52976) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 60.2299 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | Year Completed estimated (2006-2011). Slight elliptical shape. Right-turn bypass lane on west leg. ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Aviators Way / Eagle Dr. (39.11972, -108.52625) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2009 | Year Completed estimated (2006-2011). |
Bozeman,
MT Yellowstone Co. United States |
Bench Blvd. / Hilltop Rd. / Yellowstone River Rd. (45.81289, -108.46580) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.1305 |
Other (At-Grade) Single-Lane |
2013 | Right-turn-only lane on south leg. ICD estimated from Google Maps linework. |
Billings,
MT Yellowstone Co. United States |
Old US 312 / Five Mile Rd. (45.86957, -108.42768) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.mdt.mt.gov/pubinvolve/billingsbypass/fmr.shtml |
Billings,
MT Yellowstone Co. United States |
Five Mile Rd. / Mary St. / (Billings Bypass) (45.84863, -108.42492) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2021 | https://www.yourbigsky.com/local-news-2/billings-bypass-project-roundabout-opening-on-november-24/ |
Mancos,
CO Montezuma Co. United States |
Ruins Rd. / (entrance to visitor center) / (service road) (37.33917, -108.41185) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | Entrance to Mesa Verde National Park. Year Completed estimated (2020-2023). Previous control was mix of stop and uncontrolled movements. |
Farmington,
NM San Juan Co. United States |
W Main St. / Auburn Ave. (36.72905, -108.21064) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | |
Farmington,
NM San Juan Co. United States |
W Main St. / Behrend Ave. (36.72906, -108.20803) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | https://www.facebook.com/downtownfarmingtonnm/videos/main-st-phase-2-reopened-to-vehicles-on-november-24th-2020/170344904783299/ |
Farmington,
NM San Juan Co. United States |
Main St. / Orchard Ave. (36.72905, -108.20540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | Oblong shaped. https://durangoherald.com/articles/332836 |
Farmington,
NM San Juan Co. United States |
E Main St. / S Miller Ave. (36.72910, -108.20333) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2020 | |
Farmington,
NM San Juan Co. United States |
Foothills Dr. / Rinconada St. (36.79144, -108.13909) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2017 | Year Completed estimated (2015-2019). |