Roundabouts Database

9625 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType 		Year Completed Comments
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 		Other
Single-Lane 		2010
Chubbuck, ID
Bannock Co.
United States 		E Chubbuck Rd./Sacajawea Dr.
(42.92042, -112.44502) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2005
Idaho Falls, ID
Bonneville Co.
United States 		Carriagegate Ln./Nottingham Ln.
(43.46096, -112.04641) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2005 No traffic control.
Idaho Falls, ID
Bonneville Co.
United States 		S Boulevard/N Corner Ave./Elm St.
(43.48859, -112.03375) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways 		Other
Single-Lane 		2018 Fourth leg is departure only.
Twin Falls, ID
Twin Falls Co.
United States 		Fillmore St./Nielsen Point Pl.
(42.59707, -114.45643) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2013 Year Completed estimated (2012-2013).
Lewiston, ID
Nez Perce Co.
United States 		Snake River Ave./Southway Ave.
(46.40090, -117.03531) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2013 https://www.facebook.com/LewistonPublicWorks/posts/street-work-for-the-roundabout-at-southway-avenue-and-snake-river-avenue-schedul/614436265234323/
Nampa, ID
Canyon Co.
United States 		E Amity Rd./S Robinson Blvd.
(43.56137, -116.49376) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2019 Completed in May 2019. Initial build is 160' ICD, expandible outward to 2x1 (160'x180') in the future.
Boise, ID
Ada Co.
United States 		Fort St./Robbins Rd./N 3rd St.
(43.61644, -116.19328) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2019 https://www.cityofboise.org/departments/planning-and-development-services/robbins-roundabout/
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 		Other
Multilane (2 Lane) 		2018
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 		Other
Multilane (2 Lane) 		2018
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 		Other
Multilane (2 Lane) 		2018
Rigby, ID
Jefferson Co.
United States 		Farnsworth Way/Stockham Blvd.
(43.68082, -111.90765) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways 		Other
Unknown 		2018
Nampa, ID
Canyon Co.
United States 		E Franklin Rd./Star Rd./N Robinson Rd.
(43.60497, -116.49357) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2012 Right-turn-only lanes on north and south legs.
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 		Other
Multilane (2 Lane) 		2006
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 		Other
Single-Lane 		2012 Right-turn-only lane on west leg.
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 		Other
Multilane (2 Lane) 		2010 Year Completed estimated (2009-2011).
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
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 		Other
Single-Lane 		2011 One of three roundabouts in North Idaho College Education Corridor.
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 		Other
Single-Lane 		2011 One of three roundabouts in North Idaho College Education Corridor.
Coeur d'Alene, ID
Kootenai Co.
United States 		College Dr./Hubbard Ave.
(47.68015, -116.79538) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways 		Other
Single-Lane 		2012 One of three roundabouts in North Idaho College Education Corridor. Year Completed estimated (2011-2013).
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 		Other
Multilane (2 Lane) 		2015
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 		Other
Single-Lane 		2015
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 		Other
Single-Lane 		2017
Meridian, ID
Ada Co.
United States 		S Eagle Rd./E Amity Rd.
(43.56121, -116.35445) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2012
Caldwell, ID
Canyon Co.
United States 		E Ustick Rd./Indiana Ave.
(43.63363, -116.67304) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2013 date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html
North Liberty, IA
Johnson Co.
United States 		North Liberty Rd. NE/Dubuque St. NE
(41.73359, -91.57568) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2016 https://northlibertyiowa.org/2016/09/26/trail-closure-on-dubuque-street-trail-roundabout-nearing-completion/#
Cedar Rapids, IA
Linn Co.
United States 		Kirkwood Blvd SW./S School Access Rd.
(41.89988, -91.65658) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2017 http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/kirkwood_blvd_sw.php
Burlington, IA
Des Moines Co.
United States 		West Ave./W Burlington Ave.
(40.80061, -91.15269) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2017 Merging right-turn bypass lane on east leg.
Davenport, IA
Scott Co.
United States 		Jersey Ridge Rd./E 67th St. (Veterans Memorial Pkwy.)
(41.58937, -90.53928) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2018
Dubuque, IA
Dubuque Co.
United States 		N Grandview Ave./University Ave.
(42.49832, -90.68817) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018
Dubuque, IA
Dubuque Co.
United States 		N Grandview Ave./Delhi St./Grace St.
(42.49682, -90.68791) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways 		Other
Single-Lane 		2016
Marion, IA
Linn Co.
United States 		7th Ave./7th St.
(42.03326, -91.60272) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2016
Marion, IA
Linn Co.
United States 		7th Ave./(future road)/(future road)
(42.03286, -91.58364) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2016 Elliptical shape.
Marion, IA
Linn Co.
United States 		29th Ave./35th St.
(42.05043, -91.57448) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2016 Year Completed estimated (2016-2017).
Cedar Rapids, IA
Linn Co.
United States 		Tower Rd. SW/Training Rd.
(41.91459, -91.65437) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2011 Year Completed estimated (2010-2011).
North Liberty, IA
Johnson Co.
United States 		N Front St./Penn St.
(41.75206, -91.59801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
2 Driveways 		Other
Single-Lane 		2019 Completed Fall 2019.
North Liberty, IA
Johnson Co.
United States 		N Front St./N Bend Dr.
(41.75695, -91.59798) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2019 Completed September 2019. The adjacent dead-end road to the west has been extended up to connect with Front Street at a 90-degree angle across from the existing commercial entrance drive on the east side of Front Street. In the NW quadrant of the roundabout, the farm field site has been redeveloped as a new elementary school.
Coralville, IA
Johnson Co.
United States 		Commerce Dr./Commercial Park
(41.69560, -91.61393) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2014
Coralville, IA
Johnson Co.
United States 		12th Av./Holiday Rd.
(41.69491, -91.58287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Mini-roundabout 		2015 Year Completed estimated (2014-2016).
Coralville, IA
Johnson Co.
United States 		E 7th St./E 2nd Ave.
(41.67892, -91.56378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2019 Opened to traffic August 2019. East leg will re-open October 2019; north leg open to traffic summer 2020.
Coralville, IA
Johnson Co.
United States 		Oakdale Blvd./Jones Blvd.
(41.70758, -91.61387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2015 Year Completed estimated (2014-2016).
Pleasant Hill, IA
Polk Co.
United States 		NE Rising Sun Dr./NE 70 St.
(41.59524, -93.46732) 		Roundabout
Unknown 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018 https://www.pleasanthilliowa.org/projects
Altoona, IA
Polk Co.
United States 		Adventureland Dr./34th Ave. SW
(41.65855, -93.50315) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Unknown 		2018
Altoona, IA
Polk Co.
United States 		NW Tallgrass Pkwy./Prairie Fire NW
(41.65368, -93.50710) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018
Ames, IA
Story Co.
United States 		University Blvd./Airport Rd./Oakwood Rd.
(41.99735, -93.63922) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2016 Free-flow right-turn bypass lane on east leg.
Ames, IA
Story Co.
United States 		University Blvd. (530th Ave.)/Cottonwood Rd.
(41.99366, -93.63921) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways 		Other
Single-Lane 		2016
Ames, IA
Story Co.
United States 		University Blvd. (530th Ave.)/Collaboration Pl.
(41.99049, -93.63918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways 		Other
Single-Lane 		2016
Cedar Rapids, IA
Linn Co.
United States 		Johnson Ave. NW/Wiley Blvd. NW
(41.97123, -91.72580) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways 		Other
Single-Lane 		2018 http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/johnson_avenue_nw.php
Grimes, IA
Polk Co.
United States 		NE Beaverbrooke Blvd./NE Heritage Dr.
(41.70101, -93.78190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2017 Year Completed estimated (2016-2017).
Grimes, IA
Polk Co.
United States 		NE Beaverbrooke Blvd./NE Park Dr./NE Park St.
(41.70201, -93.78755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways 		Other
Multilane (2 Lane) 		2017 Year Completed estimated (2016-2017).

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