Roundabouts Database

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.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
College Park, MD
Prince George's Co.
United States 		Lafayette Ave. / Rivertech Ct.
(38.96737, -76.93276) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Glenarden, MD
Prince George's Co.
United States 		Campus Way N / McHugh Dr.
(38.92127, -76.84944) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Inside shopping center. No splitter islands on northwest and southeast legs.
Glenarden, MD
Prince George's Co.
United States 		Campus Way N / Woodmore Center Dr.
(38.92263, -76.84787) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Inside shopping center. No splitter islands on northwest and southeast legs.
Davidsonville, MD
Prince George's Co.
United States 		Town Center Blvd. / Emerald Way
(38.94399, -76.73410) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Inside shopping center. No splitter islands on east and west legs.
Davidsonville, MD
Prince George's Co.
United States 		Health Center Dr. / (parking)
(38.94925, -76.74452) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Charlottesville, VA
Albemarle Co.
United States 		SR 20 (Stony Point Rd.) / SR 649 (Proffit Rd.)
(38.08454, -78.40232) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022
West Chicago, IL
DuPage Co.
United States 		Technology Blvd. / Discovery Dr. / Innovation Dr. (north)
(41.87817, -88.25418) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006 Year Completed estimated (2005-2006).
West Chicago, IL
DuPage Co.
United States 		Technology Blvd. / Discovery Dr. / Innovation Dr. (south)
(41.87416, -88.25731) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006 Year Completed estimated (2005-2006).
Marengo, IL
McHenry Co.
United States 		SR 23 / Harmony Rd.
(42.18243, -88.61803) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on north leg.
(unincorporated), TX
Fort Bend Co.
United States 		Southern Colony Ave. / Noontide Trl.
(29.46309, -95.46790) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
23.7744 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022
Milwaukee, WI
Milwaukee Co.
United States 		E Brown St. / N Hubbard St.
(43.05646, -87.90838) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Milwaukee, WI
Milwaukee Co.
United States 		N Hubbard St. / E Reservoir St.
(43.05517, -87.90840) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Midtown, WI
Milwaukee Co.
United States 		N 21st St. / W Barbee St.
(43.05404, -87.93893) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Overland Park, KS
Johnson Co.
United States 		W 76th St. / Marty St.
(38.99144, -94.67002) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-Lane 		2002 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed.
Overland Park, KS
Johnson Co.
United States 		W 78th St. / Marty St.
(38.98766, -94.67005) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2002 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed.
Overland Park, KS
Johnson Co.
United States 		W 77th St. / Santa Fe Dr.
(38.98947, -94.67123) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2002 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed.
Overland Park, KS
Johnson Co.
United States 		W 76th St. / Foster St.
(38.99142, -94.67239) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2002 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed.
Overland Park, KS
Johnson Co.
United States 		W 78th St. / Foster St.
(38.98765, -94.67240) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2002 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed.
Overland Park, KS
Johnson Co.
United States 		W 76th St. / Newton St.
(38.99142, -94.67472) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7637 		Other (At-Grade)
Single-Lane 		2003 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2001-2003).
Overland Park, KS
Johnson Co.
United States 		W 78th St. / Newton St.
(38.98766, -94.67470) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2005 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed is approximate.
Overland Park, KS
Johnson Co.
United States 		W 77th St. / Robinson St.
(38.98947, -94.67590) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2005 This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2004-2005).
Overland Park, KS
Johnson Co.
United States 		W 80th St. / Newton St.
(38.98399, -94.67472) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-Lane 		2009 This was part of a larger neighborhood street reconstruction project with a number of traffic calming measures constructed on 80th Street. Year Completed estimated (2008-2010).
Overland Park, KS
Johnson Co.
United States 		W 80th St. / Hemlock St.
(38.98399, -94.68171) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-Lane 		2009 This was part of a larger neighborhood street reconstruction project with a number of traffic calming measures constructed on 80th Street. Year Completed estimated (2008-2010).
Overland Park, KS
Johnson Co.
United States 		W 80th St. / Grandview St.
(38.98399, -94.69105) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.4589 		Other (At-Grade)
Single-Lane 		2007 This was part of a larger neighborhood street reconstruction project on 80th Street. Year Completed estimated (2006-2007).
Overland Park, KS
Johnson Co.
United States 		Oakmont St. / W 154th Terrace
(38.84835, -94.72889) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020 Developer built as part of an approved plan south of this location that required traffic calming measures.
Overland Park, KS
Johnson Co.
United States 		Travis Ln. / Travis St. / W 86th St.
(38.97299, -94.66643) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		2010 Prior to adding YIELD signs and striping, intersection only had one YIELD sign with a island in the middle.
Farmington Hills, MI
Oakland Co.
United States 		Orchard Lake Rd. / (shopping center entrances)
(42.52448, -83.35994) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022
Wadsworth, OH
Medina Co.
United States 		SR 57 / Seville Rd.
(41.01026, -81.75347) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.transportation.ohio.gov/about-us/news/district-3/10-26-22-roundabout-is-open-at-state-route-57-and-seville-road-in-wadsworth
Buckeye, AZ
Maricopa Co.
United States 		W Westpark Loop / W Lower Buckeye Rd.
(33.42018, -112.60342) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2005 Concentric striped circulatory roadway. Lane change required for driver making movement from left lane of northeast entry to the southeast exit.
Buckeye, AZ
Maricopa Co.
United States 		W Westpark Loop / W Warner St.
(33.41611, -112.60337) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2005
Guaynabo, PR
Frailes
United States 		Carretera Acueducto (PR 833) / Calle Príncipe de Asturias (Avenida los Filtros)
(18.37477, -66.13139) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016
Guaynabo, PR
Santa Rosa
United States 		Calle Príncipe de Asturias (Las Cumbres Avenida) / Rey Arturo
(18.36337, -66.12522) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016
Guaynabo, PR
Guaynabo
United States 		Calle Cecilio Urbina / Calle José de Diego
(18.35553, -66.11241) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2015 Painted splitter island on northeast leg.
Guaynabo, PR
Santa Rosa
United States 		Carretera 837 / Calle Orquidea
(18.35663, -66.11644) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2013
Guaynabo, PR
Santa Rosa
United States 		Carretera 837 / Avenida David Urbina
(18.34953, -66.11586) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2010).
Guaynabo, PR
Camarones
United States 		Avenida David Urbina / Calle Carazo (PR 169)
(18.35001, -66.11017) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010).
Guaynabo, PR
Guaynabo
United States 		Carretera 886 / Calle Colton
(18.35904, -66.11460) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2013
Grovetown, GA
Columbia Co.
United States 		Kelarie Way / Bancroft Dr. / Dublini Loop
(33.50584, -82.24754) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2016-2019).
Charlottetown, PE
Queens
Canada 		St Peters Rd. / Belvedere Ave. / Falconwood Dr. / Brackley Point Rd.
(46.25888, -63.11950) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://twitter.com/ChtownPE/status/1601305941785264128?cxt=HHwWgICqzaPR_bgsAAAA https://www.saltwire.com/atlantic-canada/news/major-charlottetown-roundabout-project-to-begin-in-july-100733988/
Toa Alta, PR
Contorno
United States 		PR 165 / PR 165R / Calle 1
(18.39162, -66.25352) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2005 Northeast and southeast legs approaches have painted splitter islands. Year Completed estimated (2004-2006).
Guaynabo, PR
Pueblo Viejo
United States 		Avenida Ponce de León / Calle Rodroigo de Triana / Avenida del Commercio
(18.42835, -66.11307) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2014 Peanut shaped.
Middleton, ID
Canyon Co.
United States 		N Middleton Rd. / E Main St. (Cornell St.)
(43.70651, -116.61307) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Ranson, WV
Jefferson Co.
United States 		N Fairfax Blvd. / E 13th Ave.
(39.30680, -77.85569) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2019 Peanut shaped. ICD = 180 ft on each end; 530 ft long. Year Completed estimated (2017-2020). This condition is locally known as the "Peanut" and constructed within the historic plat of the city where an oval park was visioned. The peanut shape will support additional approaches as further development occurs. https://www.cityofransonwv.net/149/Fairfax-Boulevard https://www.cityofransonwv.net/DocumentCenter/View/1219/Fairfax-Blvd-Extension---Engineering-Peanut?bidId=
Norman, OK
Cleveland Co.
United States 		Corporate Centre Dr.
(35.25673, -97.48459) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Rio, FL
Martin Co.
United States 		SR 707 (NE Dixie Hwy.) / NE Martin Ave.
(27.21959, -80.23709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 Roundabout constructed by the Martin County CRA in coordination with the Rio 707 streetscape project.
Jensen Beach, FL
Martin Co.
United States 		SR 707 (NE Dixie Hwy.) / NE Palmer St. / NE Langford Ln.
(27.22321, -80.22038) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2018 Replaced triangular intersection.
Jensen Beach, FL
Martin Co.
United States 		NE Savannah Rd. / NE Pinelake Village Blvd. / NE Collins Cir.
(27.23035, -80.23639) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008 Oval shaped. ICD = 110 ft x 95 ft. Crosswalks adjacent to circulatory roadway. Year Completed estimated (2007-2008).
Stuart, FL
Martin Co.
United States 		NW Green River Pkwy. / NE Baker Rd.
(27.22209, -80.25291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2010). North leg realigned from west; south leg added.
Stuart, FL
Martin Co.
United States 		NW Britt Rd. / NW Fresco Way / NW Goldenrod Rd.
(27.23781, -80.26708) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Concentric striped circulatory roadway. Stop control on south leg.
Indiantown, FL
Martin Co.
United States 		SW Seminole Dr. / SW Osceola St.
(27.01828, -80.46004) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on northwest, northeast, and southeast legs.
Middleton, ID
Canyon Co.
United States 		W Highlands Pkwy. / 9th St.
(43.71596, -116.64096) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016 No splitter island on side street.
Middleton, ID
Canyon Co.
United States 		W Highlands Pkwy. / Stallion Springs Way
(43.71894, -116.63822) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.0037 		Other (At-Grade)
Single-Lane 		2008 No splitter islands on side street. Year Completed estimated (2007-2009).
Middleton, ID
Canyon Co.
United States 		W Highlands Ranch Pkwy. / W Ayrshire St.
(43.72271, -116.64060) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on side street. Pedestrian crossings within circulatory roadway.
Middleton, ID
Canyon Co.
United States 		W Highlands Ranch Pkwy. / N Sombrero Ave.
(43.72247, -116.64464) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter island on side street. Unmarked pedestrian crossings within or adjacent to circulatory roadway.
Middleton, ID
Canyon Co.
United States 		W Highland Ranch Pkwy. / N Branding Iron Ave. / W Blue Lightning St.
(43.72344, -116.65073) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on side street. Pedestrian crossings within or adjacent to circulatory roadway.
Longmont, CO
Boulder Co.
United States 		Sundance Dr. / Galapagos Pl.
(40.20011, -105.06468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017).
Longmont, CO
Boulder Co.
United States 		Sundance Dr. / Tyrrhenian Dr.
(40.20202, -105.06468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017).
Longmont, CO
Boulder Co.
United States 		Sundance Dr. / Tyrrhenian Cir.
(40.19784, -105.06451) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017).
Longmont, CO
Boulder Co.
United States 		Sundance Dr. / Twilight Dr.
(40.19529, -105.06175) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2016 Initial construction without splitter islands 1999-2002. Splitter islands added 2016-2017.
Longmont, CO
Boulder Co.
United States 		S Martin St. / Bountiful Ave.
(40.14740, -105.08831) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2017
Frederick, CO
Weld Co.
United States 		Colorado Blvd. / 5th St.
(40.09868, -104.94236) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2016 Striped out inside circulating lane and inside entry lanes on north and south legs, with evidence of vehicle paths traveling over striped circulatory roadway area. Year Completed estimated (2015-2017).
Frederick, CO
Weld Co.
United States 		Aggregate Blvd. / Wyndham Hill Pkwy.
(40.09242, -104.99890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2006 Right-turn-only lanes on north and south legs. Striped out portions of circulatory roadway.
Erie, CO
Boulder Co.
United States 		Jasper Rd. / Lombard St.
(40.05485, -105.06504) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Broomfield, CO
Broomfield Co.
United States 		W 169th Ave. / Palisade Pkwy.
(40.00437, -104.99443) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2014
Lafayette, CO
Boulder Co.
United States 		Roser Dr. / Crater Lake Ln. / Murphy Creek Dr.
(39.99879, -105.13387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2010).
Louisville, CO
Boulder Co.
United States 		Roser Dr. / W Hecla Dr. / Paschal Dr.
(39.99411, -105.13074) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2011
Louisville, CO
Boulder Co.
United States 		E Hecla Dr. / Snowberry Ln.
(39.99167, -105.12415) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Louisville, CO
Boulder Co.
United States 		E Hecla Dr. / Golden Eagle Way / Rose Ct.
(39.99337, -105.12375) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
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).
Broomfield, CO
Broomfield Co.
United States 		W 138th Ave. / Kalamath St. / Maddox Ct.
(39.94514, -105.00113) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008
Broomfield, CO
Broomfield Co.
United States 		W 138th Ave. / Quivas St. / Beacon St.
(39.94559, -105.00860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2008-2010).
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
Arvada, CO
Jefferson Co.
United States 		W 94th Ave. / Hallett St.
(39.86650, -105.22434) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2014
West Vancouver, BC
Greater Vancouver
Canada 		Cross Creek Rd. / Chartwell Dr.
(49.34530, -123.14714) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013).
West Vancouver, BC
Greater Vancouver
Canada 		Taylor Way / Southborough Dr. / Stevens Dr.
(49.34101, -123.13479) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2005 Yield-controlled right-turn bypass lane on south leg.
Coquitlam, BC
Greater Vancouver
Canada 		Soball St. / Gislason Ave.
(49.28930, -122.75026) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0000 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2009-2011).
Port Coquitlam, BC
Greater Vancouver
Canada 		Fremont St. / Fremont Dr. / Hwy 7B (Loogheed Hwy.) Exit Ramp
(49.24939, -122.73402) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Raindrop shaped. Year Completed estimated (2008-2011).
Surrey, BC
Greater Vancouver
Canada 		74 Ave. / 194A St.
(49.13733, -122.68371) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.0000 		Other (At-Grade)
Single-Lane 		2019
Surrey, BC
Greater Vancouver
Canada 		194A St. / 73 Ave.
(49.13550, -122.68375) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2014
Delta, BC
Greater Vancouver
Canada 		Ferry Rd. / Admiral Way
(49.11201, -123.07804) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0000 		Other (At-Grade)
Single-Lane 		2005
Delta, BC
Greater Vancouver
Canada 		Ferry Rd. / Commodore Dr.
(49.10577, -123.07907) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted splitter islands.
Chilliwack, BC
Fraser Valley
Canada 		Columbia Valley Rd. / Sunnyside Blvd. / (parking)
(49.07529, -121.97639) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).