| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                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. | 
| 
                Tucson,
                AZ Pima County United States  | 
            
                W 1st St. / N 11th Ave. (32.23420, -110.97638)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W University Blvd. / N 11th Ave. (32.23159, -110.97637)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W University Blvd. / N 10th Ave. (32.23160, -110.97483)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W 4th St. / N 10th Ave. (32.23030, -110.97481)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W 1st St. / N 9th Ave. (32.23422, -110.97331)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W 2nd St. / N 9th Ave, (32.23291, -110.97330)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W University Blvd. / N 9th Ave. (32.23161, -110.97330)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W 5th St. / N 9th Ave. (32.22900, -110.97328)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                W 4th St. / N 9th Ave. (32.23031, -110.97328)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                E 2nd St. / N 7th Ave. (32.23292, -110.97023)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                N 7th Ave. / E 4th St. (32.23031, -110.97020)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                N 5th Ave. / E 4th St. (32.23033, -110.96714)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                N 5th Ave. / E 8th St. (32.22547, -110.96708)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            2023 | Painted splitter islands on north and south legs. | 
| 
                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 County United States  | 
            
                E 1st St. / N 1st Ave. (32.23428, -110.96102)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                E 2nd St. / N 1st Ave. (32.23298, -110.96101)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Stop Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Tucson,
                AZ Pima County United States  | 
            
                E 5th St. / N 1st Ave. (32.22907, -110.96099)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 0.0000  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                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 County United States  | 
            
                Rimrock Rd. / 62nd St. W (45.79864, -108.67362)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            2024 | https://www.facebook.com/trailnetbillings/photos/top-the-roundabout-at-rimrock-and-62nd-street-west-above-heading-east-on-rimrock/1087984726704259/?_rdr | 
| 
                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. |