Roundabouts Database

123 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
Dalton Gardens, ID
Kootenai Co.
United States 		4th St. / Hanley Ave.
(47.72981, -116.77610) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		4 Approaches
0 Driveways
32.1335 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		Whitewater Park Blvd. / Stewart Ave.
(43.62885, -116.23010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0373 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Opened October 2013. ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Happy Valley Rd. / Greenhurst Rd.
(43.54679, -116.51290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1488 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Coeur dAlene, ID
Kootenai Co.
United States 		4th St. / Margaret Ave.
(47.71537, -116.77880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1602 		Other (At-Grade)
Single-Lane 		2003 Near high school. ICD estimated from Google Maps linework.
Rexburg, ID
Madison Co.
United States 		2nd W. / 4th S.
(43.81770, -111.78950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1941 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		Happy Valley Rd. / Amity Ave.
(43.56146, -116.51290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.2726 		Other (At-Grade)
Single-Lane 		2006 Designed for ultimate two-lane w/ 180-ft ICD. Current 160-ft single-lane is initial build. Previously controlled by 4-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Sandpoint, ID
Bonner Co.
United States 		N Boyer Ave / Larch St
(48.28018, -116.55663) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.9717 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Idaho Falls, ID
Bonneville Co.
United States 		Memorial Dr. / Riverside Dr. / E St.
(43.49716, -112.04057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5861 		Other (At-Grade)
Single-Lane 		2012 Right-turn-only lane on west leg. ICD estimated from Google Maps linework.
Chubbuck, ID
Bannock Co.
United States 		N Hiline Rd. / Mallard St.
(42.91435, -112.45179) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2383 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Pocatello, ID
Bannock Co.
United States 		Hurley Dr. / Pole Line Rd.
(42.90782, -112.46041) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1149 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Seltice Way / N Atlas Rd.
(47.70063, -116.82790) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.6197 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Seltice Way / N Grand Mill Ln. / W Idlewild Loop
(47.70250, -116.83920) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.9729 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Idaho Falls, ID
Bonneville Co.
United States 		E Lincoln Rd. / Ammon Rd.
(43.51133, -111.96428) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.7101 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
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.
Nampa, ID
Canyon Co.
United States 		E Franklin Rd. / Star Rd. / N Robinson Rd.
(43.60497, -116.49357) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2012 Roundabout removed 2020 in conjunction with construction of Amazon center. Original roundabout completed 2012 and had right-turn-only lanes on north and south legs.
Meridian, ID
Ada Co.
United States 		S Eagle Rd. / E Amity Rd.
(43.56130, -116.35436) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2012 Constructed initially as single-lane roundabout. Expanded in 2021-2022 to 2x2 with merging right-turn bypass lane on north leg. https://www.youtube.com/watch?v=mKWTT7Upuss
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / E Warm Springs Ave.
(43.57647, -116.13975) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.5314 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / S Wise Way
(43.57577, -116.13773) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6879 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / Old Hickory Way
(43.57434, -116.13364) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.4191 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		E Parkcenter Blvd. / S Shadywood Way
(43.57291, -116.12957) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Coeur d'Alene, ID
Kootenai Co.
United States 		River Ave. / Hubbard Ave.
(47.67905, -116.79469) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2011 One of three roundabouts in North Idaho College Education Corridor. ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		College Dr. / W River Ave.
(47.67912, -116.79816) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5566 		Other (At-Grade)
Single-Lane 		2011 One of three roundabouts in North Idaho College Education Corridor. ICD estimated from Google Maps linework.
Boise, ID
Ada Co.
United States 		N 36th St. / W Hil Rd. / W Catalpa Dr.
(43.65542, -116.23333) 		Roundabout
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
74.3128 		Other (At-Grade)
Single-Lane 		2016 Dogbone shape. ICD estimated from Google Maps linework.