Roundabouts Database Index

29465 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
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.
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.
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	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.
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	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 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. / 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	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	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	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.
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.
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.
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/
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	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
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.
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	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.
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.
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-/
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).
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.
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/
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/
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.
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.
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.
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. / 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	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.
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/
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).
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	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	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	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).
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.
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).
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. / 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).
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.
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.
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.
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 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	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. / 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.
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 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.
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	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 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.
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.
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.
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.
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
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	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	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	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	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	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	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. / 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.
Marana, AZ Pima Co. United States	W Moore Rd. / N Tortolita Rd. (32.43912, -111.08270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.maranaaz.gov/news/2022/5/25/traffic-alert-roundabout-construction-at-moore-road-amp-tortolita-road
Bozeman, MT Gallatin Co. United States	W Oak St. / Davis Ln. (45.69299, -111.08300)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.2039	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Ferguson Ave. (45.70024, -111.09310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Durston Rd. / Ferguson Ave. (45.68569, -111.09355)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2023	Other (At-Grade) Single-Lane	2019	Open to traffic in 2019, not completed until 2020. https://www.youtube.com/watch?v=alzAe8c-fuU ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Cascade St. / Kimball Ave. (45.68162, -111.09510)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 19.1915	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Cascade St. / Clifden Dr. (45.68115, -111.09950)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 19.1916	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Dove Mountain Resort, AZ Pima Co. United States	N Dove Mountain Blvd. / N Secret Springs Dr. (32.46698, -111.10013)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2002
Bozeman, MT Gallatin Co. United States	W Oak St. / Cottonwood Rd. (45.69298, -111.10367)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Right-turn-only lanes on north and south legs, designed for future conversion to through lanes to make the roundabout 2x2.
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Collonwood Rd. / Harper Puckett Rd. (45.70022, -111.10372)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	Year Completed estimated (2023-2024). https://www.kbzk.com/news/local-news/baxter-lane-ready-to-reopen-for-traffic-this-week-after-months-of-construction.
Bozeman, MT Gallatin Co. United States	Cottonwood Rd. / Stucky Rd. (45.65655, -111.10392)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.3914	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Annie St. (45.68916, -111.11383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Love Ln. (45.70012, -111.14498)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.mdt.mt.gov/pubinvolve/baxterlove/status.shtml
Belgrade, MT Gallatin Co. United States	Airway Blvd. / I-90 WB Ramps (45.76100, -111.16234)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.6601	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	Raindrop shape. ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / Gallatin Field Rd. (45.77350, -111.16244)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1529	Other (At-Grade) Single-Lane	2015	Right-turn bypass lane on southeast leg. Year Completed estimated (2013-2019). ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / E Northern Pacific Ave. (45.76585, -111.16289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 56.6545	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / I-90 EB Ramps (45.75980, -111.16328)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.4955	Freeway Ramps (Grade-Separated) Single-Lane	2015	Raindrop shape. ICD estimated from Google Maps linework.
Marana, AZ Pima Co. United States	Main St. / Civic Center Dr. (32.44841, -111.21150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.2674	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Marana, AZ Pima Co. United States	N Sandario Rd. / W Twin Peaks Rd. (32.38076, -111.21671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.maranaaz.gov/news/2022/5/25/traffic-alert-construction-on-a-new-roundabout-located-at-the-twin-peaks-and-sandario-road-intersection
Marana, AZ Pima Co. United States	N Sandario Rd. / W Nichols St. (32.45805, -111.21703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2715	Other (At-Grade) Single-Lane	2018	Fourth leg incomplete. Future plans are to route Marana Main St to this roundabout. https://realestatedaily-news.com/wp-content/uploads/2017/02/Marana-Main-Street-realignment.png ICD estimated from Google Maps linework.
Wood Buffalo, AB Alberta Canada	Snowbird Way / (air cargo access) (56.64996, -111.23847)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0000	Other (At-Grade) Single-Lane	2013	Entry to Fort McMurray International Airport. Year Completed estimated (2011-2014).
Wood Buffalo, AB Alberta Canada	Range Road 85 (Saline Creek Pkwy.) / Snowbird Way (56.65106, -111.25513)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2013	Right-turn-only lane on south leg. Year Completed estimated (2011-2014).
Flagstaff, AZ Coconino Co. United States	Resort Blvd. / (parking) / (unknown) (35.16563, -111.27053)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2013	West leg stubbed. Year Completed estimated (2012-2013).
Payson, AZ Gila Co. United States	E Granite Dells Rd. / S Mud Springs Rd. (34.23932, -111.30819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4052	Other (At-Grade) Single-Lane	2008	Oval shape. Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Great Falls, MT Cascade Co. United States	Division Rd. / Smelter Ave. NW (47.52454, -111.31037)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0990	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	N Manzanita Dr. / E Park Dr. / E Malibu Dr. (34.24563, -111.31701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.7072	Other (At-Grade) Single-Lane	2015	Painted splitter islands. Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	E Malibu Dr. / N Easy St. (34.24465, -111.32021)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 17.7711	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	SR 87 / Tyler Pkwy / Home Depot Entrance (34.26614, -111.32200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4034	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	N Beeline Hwy. (AZ 260) / W Airport Rd. / Airline Blvd. (34.25759, -111.32250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.3437	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Wood Buffalo, AB Alberta Canada	Denholm Gate / Fontaine Crescent (56.71095, -111.34247)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.1541	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.