Roundabouts Database

28859 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
Gainesville, FL
Alachua Co.
United States 		SE 7th St. / SE 7th Ave. / SE Depot Ave.
(29.64579, -82.31793) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.4437 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 2nd Ave. / SW 6th St.
(29.65026, -82.33084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.7968 		Other (At-Grade)
Single-Lane 		2010 https://www.gainesville.com/news/20100729/midtown-face-lift-projects-under-way ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 2nd Ave. / SW 10th St.
(29.65024, -82.33506) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8348 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 2nd Ave. / SW 12th St.
(29.65024, -82.33713) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8348 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SE Depot Ave. / SE 4th St.
(29.64506, -82.32145) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.1400 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2010). ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		S Main St. / SW Depot Ave.
(29.64457, -82.32501) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5201 		Other (At-Grade)
Single-Lane 		2015 date from Streetview ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW Depot Ave. / SW 6th St.
(29.64351, -82.33119) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9504 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 11th St. / SW 9th Rd. / SW Depot Ave.
(29.64285, -82.33584) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9505 		Other (At-Grade)
Single-Lane 		2014 Peanut shape. Replaced two signalized T-intersections. Year Completed estimated (2012-2015). ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 4th Ave. / SW 6th St.
(29.64823, -82.33114) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9491 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		S Main St. / SE 10th Ave.
(29.64079, -82.32589) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0271 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SE 7th St. / SE 4th Ave.
(29.64824, -82.31792) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-Lane 		1992 Pedestrian crossings within circulatory roadway. Completed April 1992.
Gainesville, FL
Alachua Co.
United States 		31st Ave. NW / 23rd Terr. NW
(29.68129, -82.35623) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8277 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		8th Ave. NE / 9th St. NE
(29.65935, -82.31478) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.7192 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		School House Rd. / SW 30th Ave. / SW 98th Blvd.
(29.62513, -82.44492) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.1776 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 27th Ave. / SW 110th Terr.
(29.62842, -82.46014) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
61.2520 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 45th Blvd. / SW 91st Dr.
(29.60970, -82.43821) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.2276 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 91st St. / School House Rd. / SW 38th Ave.
(29.61919, -82.43708) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.0332 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 91st St. / SW 24th Ave.
(29.63047, -82.43920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.0682 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 91st St. / SW 87th Way
(29.62685, -82.43611) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.1456 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Gainesville, FL
Alachua Co.
United States 		SW 88th St. / SW 76th Ave.
(29.58365, -82.43651) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2007
Gainesville, FL
Alachua Co.
United States 		SW 77th Ave. / SW 85th Dr. / SW 78th Ln.
(29.58316, -82.43249) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
High Springs, FL
Alachua Co.
United States 		NW 163rd Ave. / NW 204th St.
(29.80460, -82.56217) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Gainesville, FL
Alachua Co.
United States 		(unknown) / (parking)
(29.62632, -82.37118) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Gainesville, FL
Alachua Co.
United States 		(unknown) / (parking)
(29.62478, -82.37162) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Gainesville, FL
Alachua Co.
United States 		Celebration Pointe Ave. / SW 35th Blvd.
(29.62530, -82.38860) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Lane changes required within circulatory roadway.
Hibiscus Park, FL
Alachua Co.
United States 		NW 26th St. / NW 3rd Ave.
(29.65439, -82.36163) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Gainesville, FL
Alachua Co.
United States 		SW 86th St. / SW 13th Ave. / SW 12th Pl.
(29.64170, -82.43456) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2004). Painted splitter islands converted to raised splitter islands in 2011.
Gainesville, FL
Alachua Co.
United States 		Radio Rd. / Museum Rd. / Museum Dr.
(29.64229, -82.36417) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.alligator.org/article/2020/10/construction-by-lakeside-housing-completed-nearly-two-months-late
Aitkin, MN
Aitkin Co.
United States 		US 169 / Southgate Dr. / Red Oak Dr.
(46.51627, -93.70711) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.4500 		Other (At-Grade)
Single-Lane 		2017 https://www.kare11.com/article/traffic/major-road-projects-highlight-mndot-construction-season/488383654 ICD estimated from Google Maps linework.
Aiken, SC
Aiken Co.
United States 		Bonneville Circle (Trolley Run Blvd. / Market Station Blvd. / Keagan Blvd.)
(33.58485, -81.77248) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.7226 		Other (At-Grade)
Single-Lane 		2007 Right-turn-only lanes on all approaches; striped out outer lanes of circulatory roadway in front of each splitter island. Yield signs only on left side of entries. ICD estimated from Google Maps linework.
Aiken, SC
Aiken Co.
United States 		Catenary Blvd. / Trolley Run Blvd.
(33.59346, -81.77416) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.7326 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Striped out outer lane of circulatory roadway in front of splitter islands. Yield signs only on left side of entries. ICD estimated from Google Maps linework.
Aiken, SC
Aiken Co.
United States 		E Gate Dr. / Bedford Pl. SW / Spencer Dr.
(33.50671, -81.71833) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.7804 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs. ICD estimated from Google Maps linework.
Aiken, SC
Aiken Co.
United States 		E Gate Dr. / Aiken Mall Dr. SW / (parking lot)
(33.51065, -81.71479) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8785 		Other (At-Grade)
Single-Lane 		2000 Channelized right-turn lanes on all legs. No Left Turn signs under Yield signs. Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
North Augusta, SC
Aiken Co.
United States 		Riverside Blvd. / E Shoreline Dr. / Railroad Ave. / Landing Dr.
(33.48467, -81.97233) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.8288 		Other (At-Grade)
Single-Lane 		1996 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
North Augusta, SC
Aiken Co.
United States 		Railroad Ave. / Center St.
(33.48552, -81.97467) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Verdun, SA
Adelaide Hills
Australia 		B34 (Mount Barker Rd / Onkaparinga Valley Rd.) / Mount Barker Rd.
(-35.01457, 138.78442) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Bridgewater, SA
Adelaide Hills
Australia 		B34 (Mount Barker Rd.) / M1 (Southeastern Fwy.) Ramps
(-35.01890, 138.78757) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Aldgate, SA
Adelaide Hills
Australia 		Mount Barker Rd. / Strathalbyn Rd. / Kingsland Rd.
(-35.01527, 138.73643) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Crafers, SA
Adelaide Hills
Australia 		B28 (Waverley Ridge Rd. - Summit Rd.) / Main St. / M1 (Southeastern Fwy.) EB Off-Ramp / (parking)
(-34.99707, 138.70293) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Stirling, SA
Adelaide Hills
Australia 		B28 (Waverley Ridge Rd.) / Hillcrest Ave. / M1 (Southeastern Fwy.) WB Ramps
(-34.99880, 138.70213) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Stirling, SA
Adelaide Hills
Australia 		B33 (Mount Barker Rd.) / Avenue Rd. / Pomona Rd. / M1 (Southeastern Fwy.) Ramps
(-35.00364, 138.71605) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Stirling, SA
Adelaide Hills
Australia 		Avenue Rd. / Ayers Hill Rd. / Milan Terrace
(-35.00474, 138.71295) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Stirling, SA
Adelaide Hills
Australia 		B33 (Mount Barker Rd.) / Johnston St. / Merrion Terrace
(-35.00630, 138.71783) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Stirling, SA
Adelaide Hills
Australia 		Waverley Ridge Rd. / Ayers Hill Rd. / Hawthorn Rd.
(-35.00021, 138.70604) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Middlebury, VT
Addison Co.
United States 		Main St. / Cross St.
(44.01210, -73.16957) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.9096 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Middlebury, VT
Addison Co.
United States 		Lacrosse Dr. / S Village Green / Cottage Ln.
(44.00243, -73.15888) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Othello, WA
Adams Co.
United States 		SR 24 (Radar Rd.) / W Bench Rd.
(46.79674, -119.17656) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2020 Elliptical shaped. ICD = 120 ft x 115 ft.
Hampton, PA
Adams Co.
United States 		Carlisle Pike (SR 94) / SR 394 / Stoney Point Rd.
(39.92941, -77.05803) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.ydr.com/story/news/2020/07/16/traffic-alert-12-road-projects-to-know-about-in-south-central-pennsylvania-penndot-roundabout/5359493002/
Brighton, CO
Adams Co.
United States 		Cisne Cir. / Goldfinch St.
(39.98653, -104.74396) 		Other
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Brighton, CO
Adams Co.
United States 		Killdeer St. / Pelican Ave.
(39.98524, -104.74270) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Brighton, CO
Adams Co.
United States 		Park Place Dr. / Donna St.
(39.97846, -104.79810) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Brighton, CO
Adams Co.
United States 		Cherry Blossom Dr. / Willow Oak St. / N Golden Eagle Pkwy.
(39.99599, -104.74341) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018
Brighton, CO
Adams Co.
United States 		Longs Peak St. / N Golden Eagle Pkwy.
(39.99224, -104.74163) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018 South leg stubbed. Year Completed estimated (2018-2019).
Thornton, CO
Adams Co.
United States 		Elizabeth Circle
(39.98312, -104.95660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Thornton, CO
Adams Co.
United States 		E 142nd Dr. / Adams St. / St Paul St.
(39.95444, -104.94953) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2006
Thornton, CO
Adams Co.
United States 		E 138th Ave. / Jersey St.
(39.94800, -104.91939) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Thornton, CO
Adams Co.
United States 		E 138th Ave. / Lilac St.
(39.94771, -104.91419) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Thornton, CO
Adams Co.
United States 		E 141st Ave. / Forest St.
(39.95341, -104.92769) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2015-2017).
Thornton, CO
Adams Co.
United States 		E 145th Ave. / Fairfax Dr.
(39.95991, -104.92845) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Thornton, CO
Adams Co.
United States 		E 122nd Ave. / Roslyn St.
(39.91776, -104.90064) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
The Aurora Highlands, CO
Adams Co.
United States 		Aurora Highlands Pkwy. / Denali Blvd.
(39.77048, -104.70663) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2021 Merging right-turn bypass lane on east leg; add-lane bypass lane on north leg. Year Completed estimated (2020-2021).
Hastings, NE
Adams Co.
United States 		S Technical Blvd. / E Community Dr.
(40.57708, -98.32652) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2011
Hastings, NE
Adams Co.
United States 		S Technical Blvd. / E Military Dr.
(40.57940, -98.32650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2011
Thornton, CO
Adams Co.
United States 		Tamarac St. / E 129th Ave. / Tamarac Way
(39.93026, -104.89660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Thornton, CO
Adams Co.
United States 		131st Ave. / Oneida St.
(39.93268, -104.90764) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Thornton, CO
Adams Co.
United States 		Holly Cir. / Jasmine St.
(39.92580, -104.91863) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Henderson, CO
Adams Co.
United States 		Henderson Rd. / E 124th Ave. / Park Blvd.
(39.92505, -104.87550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 Merging right-turn bypass lanes on north and east legs. https://adcogov.org/henderson-rd-park-blvd-roundabout-project
Brighton, CO
Adams Co.
United States 		Southgate Blvd. / Gateway St.
(39.91320, -104.83390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2018 Year Completed estimated (2018-2019).
Commerce City, CO
Adams Co.
United States 		E 119th Ave. / Oakland St. / (unknown)
(39.91279, -104.84949) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2004). East leg added 2008-2010.
Commerce City, CO
Adams Co.
United States 		E 121st Ave. / Jasper St.
(39.91627, -104.80425) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2003
Thornton, CO
Adams Co.
United States 		E 162nd Ave. / Grant St. / (parking)
(39.98980, -104.98308) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2007
Thornton, CO
Adams Co.
United States 		E 163rd Ave. / Elizabeth St.
(39.99121, -104.95523) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Brighton, CO
Adams Co.
United States 		Longs Peak St. / N 46th Ave.
(39.99462, -104.75972) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2021
Brighton, CO
Adams Co.
United States 		Longs Peak St. / Silo Ct.
(39.99463, -104.75777) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Brighton, CO
Adams Co.
United States 		Longs Peak St. / Baler Ct.
(39.99464, -104.75476) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Brighton, CO
Adams Co.
United States 		Longs Peak St. / Bowie Dr. / N 46th Ave.
(39.99239, -104.75969) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2021 2022 or earlier (SV)
Brighton, CO
Adams Co.
United States 		156th Ave. / 157th Ave. / Syracuse Way
(39.97989, -104.89921) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Thornton, CO
Adams Co.
United States 		Grant St. / E 146th Ave. / (parking)
(39.96090, -104.98184) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2018 Year Completed estimated (2018-2019).
Thornton, CO
Adams Co.
United States 		Grant St. / E 143rd Pl.
(39.95485, -104.98191) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2013 Opened with north and west legs 2013. South and east legs added 2015.
Thornton, CO
Adams Co.
United States 		Grant St. / E 141 Pl.
(39.95214, -104.98286) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016 West leg added 2022-2023.
Thornton, CO
Adams Co.
United States 		Lincoln St. / E 141st Pl. / (parking)
(39.95280, -104.98624) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2013
Thornton, CO
Adams Co.
United States 		Grant St. / E 140th Ave. / (parking)
(39.94932, -104.98311) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2018 Year Completed estimated (2018-2019).
Thornton, CO
Adams Co.
United States 		Grant St. / (parking)
(39.94597, -104.98307) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2018 Year Completed estimated (2018-2019).
Commerce City, CO
Adams Co.
United States 		Walden St. / E 105th Ave.
(39.88769, -104.77644) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Commerce City, CO
Adams Co.
United States 		E 112th Ave. / Potomac St.
(39.89963, -104.82770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Commerce City, CO
Adams Co.
United States 		E 112th Ave. / (parking)
(39.89972, -104.82580) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Gettysburg, PA
Adams Co.
United States 		Lincoln Square (Chamberburg St. / York St. / Carlisle St. / Baltimore St.)
(39.83092, -77.23112) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.1838 		Other (At-Grade)
Single-Lane 		Diagonal parking around circulatory roadway; pedestrian access to center island; no splitter islands. ICD estimated from Google Maps linework.
Abbottstown, PA
Adams Co.
United States 		King St. / Queen St.
(39.88671, -76.98461) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
4 Driveways
33.9077 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway. ICD estimated from Google Maps linework.
Hastings, NE
Adams Co.
United States 		S Adams Central Ave. / (High school parking lot) / (Elementary school parking lot)
(40.57069, -98.45891) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017
New Oxford, PA
Adams Co.
United States 		Center Square (Lincoln Way / Hanover St. / Carlilse St.)
(39.86388, -77.05586) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
73.3384 		Other (At-Grade)
Single-Lane 		Converted town square: pedestrian access to central island; parking around circle. ICD estimated from Google Maps linework.
Denver, CO
Adams Co.
United States 		Syracuse St. / Rosalyn St. / 32nd Ave. Pkwy.
(39.76177, -104.89890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1333 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Denver, CO
Adams Co.
United States 		Xanthia St. / Xanthia Way / E. 24th Ave.
(39.75166, -104.88760) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.5468 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Denver, CO
Adams Co.
United States 		Willow St. / E. 21st Ave.
(39.74838, -104.88819) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.2212 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Commerce City, CO
Adams Co.
United States 		Turnberry Pkwy. / Revere St.
(39.89062, -104.83800) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Commerce City, CO
Adams Co.
United States 		E 105th Ave. / Uvalda St.
(39.88673, -104.83520) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003).
Commerce City, CO
Adams Co.
United States 		Wheeling St. / E 106th Ave. / Victor St.
(39.88895, -104.83121) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands.
Broomfield, CO
Adams Co.
United States 		Zang St. / (parking lot #1)
(39.92782, -105.13320) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.6350 		Other (At-Grade)
Single-Lane 		2001 Serves commercial development. ICD estimated from Google Maps linework.
Broomfield, CO
Adams Co.
United States 		Zang St. / (parking lot #2)
(39.92641, -105.13170) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.7199 		Other (At-Grade)
Single-Lane 		2001 Serves commercial development. ICD estimated from Google Maps linework.
Northglenn, CO
Adams Co.
United States 		Melody Dr. / Kennedy Dr.
(39.89222, -104.99270) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6541 		Other (At-Grade)
Single-Lane 		1999 Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework.
Westminster, CO
Adams Co.
United States 		Promenade Dr. S. / (TBD)
(39.89188, -105.06330) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
20.1598 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.