Roundabouts Database Index

29372 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Scottsdale, AZ Maricopa Co. United States	N. 96th St. / E. Sweetwater Ave. (33.60433, -111.87390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8420	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	Vestry Rd. / Rocky Mouth Ln. (40.48996, -111.87390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.2236	Other (At-Grade) Single-Lane	1996	ICD estimated from Google Maps linework.
Mesa Grande, AZ Maricopa Co. United States	Cubs Way / N Riverview (33.43243, -111.87766)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.8553	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	E 12200 S / S 450 E (40.52807, -111.87785)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2014).
Scottsdale, AZ Maricopa Co. United States	N 94th St. / E Union Hills Dr. (33.65465, -111.87864)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.8538	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Lehi, UT Utah Co. United States	N Toscana Hills Dr. / Morning Vista Rd. / W Chapel Ridge Rd. (40.44388, -111.87893)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2005
Draper, UT Salt Lake Co. United States	300 East / 12200 South (40.52863, -111.88180)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.2193	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	300 East / Carlquist Dr. (40.51326, -111.88180)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5038	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	300 East / Pinnacle Way (13450 South) / Corner Bridge Ln. (40.50785, -111.88190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8743	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Camp Verde, AZ Yavapai Co. United States	AZ 260 / N Goswick Way / Industrial Dr. (34.57490, -111.88226)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.4353	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Oval shape. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	(Scottsdale Community College entrance) / (parking) (33.51036, -111.88274)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 30.4800	Other (At-Grade) Single-Lane	2009	On campus of Scottsdale Community College. Yield signs only on left side of entry. Merging right-turn bypass lane on south leg. Year Completed estimated (2007-2009).
Mesa Grande, AZ Maricopa Co. United States	Waveland Ave. / Clark St. (33.43279, -111.88286)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.9012	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Chandler, AZ Maricopa Co. United States	Continuum St. / S Ellis St. (33.27056, -111.88429)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9455	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Bountiful, UT Davis Co. United States	Main St. / 1500 South / 200 West (40.87477, -111.88570)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 27.9955	Other (At-Grade) Single-Lane	2008	Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N 90th St. / (parking) (33.57812, -111.88617)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Serves shopping center and Scottsdale Shea medical center. Bus-only bypass lane on north and south legs with bus stop in advance of pedestrian crossing.
Camp Verde, AZ Yavapai Co. United States	AZ 260 / Wilshire Blvd. (34.58429, -111.88654)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.0972	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Draper, UT Salt Lake Co. United States	65 E / Dearborn View Dr. / Alder Hill Rd. / Chandlerpoint Way (40.48153, -111.88863)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on east or west legs.
Lehi, UT Utah Co. United States	Gray Hawk Dr. / Homestead Dr. (40.45275, -111.89259)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2005-2006).
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Pablo Dr. (33.56833, -111.89350)	Traffic Calming Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 49.7573	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
East Helena, MT Lewis and Clark Co. United States	Canyon Ferry Rd. / Lake Helena Dr. (46.61710, -111.89391)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2009
Helena, MT Lewis and Clark Co. United States	York Rd. / Lake Helena Dr. (46.64646, -111.89396)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7156	Other (At-Grade) Single-Lane	2019	https://www.abcfoxmontana.com/helena/york-roundabout-set-to-open-thursday/video_c15b781a-cf0e-11e9-b73b-efb751f4ffc8.html ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 87th St. (33.56715, -111.89500)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 69.6612	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / E. San Rafael Dr. (33.56711, -111.89565)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-Lane		ICD estimated from Google Earth.
Scottsdale, AZ Maricopa Co. United States	N Hayden Rd. / N Northsight Blvd. (33.62730, -111.89569)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.7344	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Saratoga Springs, UT Utah Co. United States	Stillwater Dr. / Ivy Ln. / Wildflower Dr. (40.31439, -111.89591)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.5884	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Centerville, UT Davis Co. United States	N 1250 W / W Legacy Crossing Blvd. (40.92015, -111.89691)	Signalized Roundabout/Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). West leg added 2014-2015.
Camp Verde, AZ Yavapai Co. United States	AZ 260 / W Horseshoe Bend Dr. (34.59840, -111.89758)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.0375	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 84th St. (33.56832, -111.89880)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 37.8156	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E. Via Linda / N. 83rd Pl. (33.56770, -111.90100)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 63.6899	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Saratoga Springs, UT Utah Co. United States	N 3600 W / W Waterbury Dr (40.41506, -111.90693)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (3+ Lane)	2017	Through arrows on entry (no left turn arrows). Northbound has two entry through lanes going into a LT, LT-TH, TH section of circulatory roadway. Year Completed estimated (2016-2017).
Saratoga Springs, UT Utah Co. United States	N 3600 W / Drexler Dr. / W 2450 N (40.41725, -111.90695)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Through arrows on entry - no left turn arrows shown. Year Completed estimated (2016-2017).
Farmington, UT Davis Co. United States	N Station Pkwy. / Crescent Way. / N 850 W / W Union Ave. (40.98527, -111.90704)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 55.8975	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Located at a commuter rail station. Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Lehi, UT Utah Co. United States	N 3600 W / W 2700 N (40.42051, -111.90717)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2020	Through-only and through-right arrows on all approaches, including on stem of T-intersection.
Rigby, ID Jefferson Co. United States	Farnsworth Way / Stockham Blvd. / (parking) (43.68099, -111.90760)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2018	Peanut shaped. Long dimension is 270 ft; nodal ICDs are ~145 ft and ~145 ft.
Scottsdale, AZ Maricopa Co. United States	N Hayden Rd. / E Raintree Dr. (33.61963, -111.90776)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Year Completed estimated (2023-2024). https://ww2.scottsdaleaz.gov/construction/project-list/raintree
Saratoga Springs, UT Utah Co. United States	Pony Express Pkwy. / Riverside Dr. (40.36205, -111.91116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2016	Constructed initially as single-lane roundabout with stubbed east and west legs. Expanded to 2x1 multilane in 2022 with connection of east and west legs. Year Completed estimated (2015-2016).
North Salt Lake, UT Davis Co. United States	Eagle Ridge Dr. / S. Orchard Dr. (40.83741, -111.91130)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7221	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Farmington, UT Davis Co. United States	N 1100 W / W Clark Ln. (40.98214, -111.91134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.8840	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Layton, UT Davis Co. United States	Hobbs Creek Dr. / Sky View Dr. (41.09349, -111.91134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2015	Painted splitter islands. Year Completed estimated (2013-2015).
Camp Verde, AZ Yavapai Co. United States	AZ 260 / Cherry Creek Rd. (Forest 372 Route) (34.60935, -111.91194)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 61.9280	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
North Salt Lake, UT Davis Co. United States	Orchard Dr. / E Eaglegate Dr. (40.83459, -111.91224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Crosswalks next to circulatory roadway. Year Completed estimated (2010-2011).
South Jordan, UT Salt Lake Co. United States	River Front Pkwy. / 10750 South (40.55468, -111.91360)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 108.8921	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E Redfield Rd. / N 76th Pl. (33.61394, -111.91611)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Left-turn-only lane on west leg. https://ww2.scottsdaleaz.gov/construction/project-list/raintree
South Scottsdale, AZ Maricopa Co. United States	N 76th Pl. / E Coolidge Ave. (33.50561, -111.91667)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 45.1104	Other (At-Grade) Single-Lane	1997	No splitter islands.
South Jordan, UT Salt Lake Co. United States	River Front Pkwy. / 11050 South (40.55050, -111.91690)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 52.6345	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	E Osborn Rd. / N Miller Rd. (33.48764, -111.91751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.scottsdaleaz.gov/construction/project-list/osborn-road
Scottsdale, AZ Maricopa Co. United States	Princess Blvd. / Princess Dr. (33.64804, -111.91795)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 64.0077	Other (At-Grade) Multilane (2 Lane, 2x1 max)	1986	Painted spiral next to central island. Completed 1986. Reconfigured in 2007? 21442
Bluffdale, UT Salt Lake Co. United States	Noell Nelson Dr. / S Heritage Crest Way (40.47223, -111.91882)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2506	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Bluffdale, UT Salt Lake Co. United States	SR 140 (W 14600 S) / S 1000 W (40.48614, -111.91949)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.9679	Other (At-Grade) Single-Lane	2016	Right-turn-only lane on east leg. ICD estimated from Google Maps linework.
Bluffdale, UT Salt Lake Co. United States	S Stone Fly Dr. / Gray Wulff Dr. (40.49285, -111.92039)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2007
North Scottsdale, AZ Maricopa Co. United States	E Silverstone Dr. / N 74th St. (33.69438, -111.92100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2007-2009).
Scottsdale, AZ Maricopa Co. United States	N. 74th St. / E. Sweetwater Ave. (33.60395, -111.92155)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 16.7640	Other (At-Grade) Unknown	2003	Modified by City in 2005 to improve operation as roundabout. 21442
Scottsdale, AZ Maricopa Co. United States	Chauncey Ln. / 73rd Pl. (33.65153, -111.92245)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2013	Designed as an expandable roundabout, which is why the ICD is 150' for a single lane. South leg added 2014-2016. The west and north legs have potential to expand to multilane entries, taking the new lane from the wide splitter islands. In the future Chauncey will continue to the east and a fourth leg will be added.
Camp Verde, AZ Yavapai Co. United States	Camp Verde Bridgeport Hwy (AZ 260) / (unknown) (34.62054, -111.92272)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 70.1040	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://azdot.gov/adot-news/state-route-260-project-homestretch-completion-fall
Bluffdale, UT Salt Lake Co. United States	Spring View Pkwy. / Peacock Midge Dr. / Pheasant Tail Dr. (40.49070, -111.92292)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2005
Saratoga Springs, UT Utah Co. United States	W Harvest Hills Blvd. / Harvest Moon Dr. (40.39852, -111.92490)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter island on side street.
Saratoga Springs, UT Utah Co. United States	Providence Dr. / N Bay Leaf Dr. / Peppermint Ct. / Harvest Moon Dr. (40.39497, -111.92586)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Saratoga Springs, UT Utah Co. United States	W Aspen Hills Blvd. / N 400 W (40.39159, -111.92595)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 42.6720	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2011).
Ogden, UT Weber Co. United States	Combe Rd. / Skyline Dr. (41.15951, -111.92682)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017).
Scottsdale, AZ Maricopa Co. United States	N. Marshall Way / E. Main St. (33.49311, -111.92830)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 22.9083	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N. Marshall Way / E. 5th Ave. (33.49802, -111.92900)	Other Existing	All-Way Stop None	3 Approaches 0 Driveways 23.9030	Other (At-Grade) Single-Lane		Stop controlled. ICD estimated from Google Maps linework.
Scottsdale, AZ Maricopa Co. United States	N 70th Pl. / E Chaparral Rd. (33.50954, -111.92900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2016	A traffic calming circle was completed in 2002 on what was otherwise a TWSC intersection. Roundabout constructed in 2016. On south leg there is no entry into the roundabout but instead a yield-controlled right-turn bypass lane to prevent northbound-to-westbound cut-through traffic.
Saratoga Springs, UT Utah Co. United States	W Harvest Moon Dr. / N Nectar Way / Blossom Ct. (40.40476, -111.92906)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Scottsdale, AZ Maricopa Co. United States	E. Oak St. / N. 70th St. (33.47301, -111.93050)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9249	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Saratoga Springs, UT Utah Co. United States	Providence Dr. / Bountiful Way (40.39754, -111.93085)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Saratoga Springs, UT Utah Co. United States	W Harvest Moon Dr. / N Providence Dr. (40.40383, -111.93168)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
North Salt Lake, UT Davis Co. United States	Foxboro Dr. / N Cutler Dr. (40.85319, -111.93199)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Single-Lane	2005
North Salt Lake, UT Davis Co. United States	N Cutler Dr. / W 900 N (40.85755, -111.93205)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Saratoga Springs, UT Utah Co. United States	W Harvest Hills Blvd. / N Providence Dr. (40.39881, -111.93223)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on side street.
Woods Cross, UT Davis Co. United States	W 2260 S / S 1950 W (40.86663, -111.93371)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Camp Verde, AZ Yavapai Co. United States	Camp Verde Bridgeport Hwy (AZ 260) / N Aultman Pkwy. (34.62859, -111.93376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 70.1040	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	https://azdot.gov/adot-news/state-route-260-project-homestretch-completion-fall
Woods Cross, UT Davis Co. United States	Mountain View Blvd. / W 1500 S (40.87467, -111.93385)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Paradise Valley, AZ Maricopa Co. United States	N 68th St. / E Indian Bend Rd. (33.53853, -111.93446)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2021
Scottsdale, AZ Maricopa Co. United States	N 68th St. / E Cholla St. (33.58949, -111.93552)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2003	Completed with traffic calming project.
Woods Cross, UT Davis Co. United States	W 2260 S / S 2040 W (40.86671, -111.93590)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Ogden, UT Weber Co. United States	Skyline Pkwy. / County Hills Dr. (41.18837, -111.93782)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017).
North Salt Lake, UT Davis Co. United States	Fox Hollow Dr. W / 900 N (40.85756, -111.93805)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
North Salt Lake, UT Davis Co. United States	Fox Hollow Dr. W / W 1100 N (40.86156, -111.93811)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
North Salt Lake, UT Davis Co. United States	Foxboro Dr. / Fox Hollow Rd. (40.85340, -111.93866)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
West Jordan, UT Salt Lake Co. United States	W 8020 S / (parking lots) (40.60561, -111.93990)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.3888	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Maple Ash, AZ Maricopa Co. United States	W 12th St. / S Maple Ave. (33.41619, -111.94121)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Maple Ash, AZ Maricopa Co. United States	W 9th St. / S Maple Ave. (33.42046, -111.94122)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Maple Ash, AZ Maricopa Co. United States	W 11th St. / S Maple Ave. (33.41763, -111.94123)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Maple Ash, AZ Maricopa Co. United States	W 9th St. / S Ash Ave. (33.42048, -111.94237)	Traffic Calming Circle Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tempe, AZ Maricopa Co. United States	Rio Salado Pkwy / S Ash Ave. (33.42935, -111.94276)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	Tempe Street Car crossing through the middle. https://www.tempe.gov/government/engineering-and-transportation/transportation/streets-signals-traffic/roundabouts/first-st-ash-ave-rio-salado-pkwy-roundabout
Scottsdale, AZ Maricopa Co. United States	N. 64th St. / E. Lafayette Blvd. (33.49474, -111.94330)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.9119	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Paradise Valley, AZ Maricopa Co. United States	E Mockingbird Ln. / E Northern Ave. / N Invergordon Rd. (33.55305, -111.94344)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.8877	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Ammon, ID Bonneville Co. United States	E Lincoln Rd. / N 45th E (Crowley Rd.) (43.51059, -111.94433)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2020	https://www.eastidahonews.com/2020/09/major-intersection-to-close-next-week-for-roundabout-construction/
Idaho Falls, ID Bonneville Co. United States	1st St. / 45th St. E (Crowley Rd.) (43.49621, -111.94440)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8637	Other (At-Grade) Single-Lane	2020	Designed to be expandable inward to dual lanes in the future.
Ammon, ID Bonneville Co. United States	Crowley Rd. / E 17th St. (43.48173, -111.94459)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.1168	Other (At-Grade) Single-lane w/ Traversable Central Island	2019
Layton, UT Davis Co. United States	E Antelope Dr. / N Church St. (41.08892, -111.94493)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3057	Other (At-Grade) Single-Lane	2014	Skewed intersection. Elliptical shape. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Tempe, AZ Maricopa Co. United States	W Howe St. / S Wilson St. (33.41682, -111.94575)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tempe, AZ Maricopa Co. United States	W 10th St. / S Wilson St. (33.41940, -111.94577)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Riverton, UT Salt Lake Co. United States	S Park Ave. / W Park Ave. (40.51950, -111.94594)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 28.1452	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Tempe, AZ Maricopa Co. United States	W 11th St. / S Roosevelt St. (33.41779, -111.94727)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tempe, AZ Maricopa Co. United States	W 9th St. / S Roosevelt St. (33.42064, -111.94728)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Tempe, AZ Maricopa Co. United States	W 12th St. / S Roosevelt St. (33.41608, -111.94728)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Ogden, UT Weber Co. United States	Tyler Ave. / 41st St. (41.19035, -111.94770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1530	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Completed July 2008. On campus of Weber State University. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Ogden, UT Weber Co. United States	Tyler Ave. / University Cir. (41.19333, -111.94780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8476	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Completed July 2008. On campus of Weber State University. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Montana City, MT Lewis and Clark Co. United States	SR 282 / Jackson Creek Rd. (46.54082, -111.94824)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2007	Opened October 2007.