Roundabouts Database

29411 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
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Lorong Bunga Kenanga: Jala Tun Abdul Rahman / Jalan Bako / (unknown)
(1.57992, 110.35132) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Concentric striped circulatory roadway.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Bulatan D P Abang Haji Abdillah
(1.57168, 110.35128) 		Rotary
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Datuk Marican Salleh / Jalan Demak / (unknown)
(1.56605, 110.35639) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
150.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		(unknown) / Jalan Stadium
(1.58857, 110.35680) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		(unknown) / Julan Stadium
(1.58872, 110.35351) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Concentric striped circulatory roadway.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Bulatan Datuk Temenggong Abang Kipali Bin Abang Akip
(1.56887, 110.32092) 		Rotary
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
200.0000 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		Oval shaped. ICD = 200 m x 180 m.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Matang / Jalan Matang Baru / (unknown)
(1.57234, 110.30408) 		Rotary
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
145.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		(unknown) / Lorong 2
(1.55926, 110.29878) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Datuk Temenggong Tan Meng Chong / Lorong Pisang Barat
(1.54136, 110.31343) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
90.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Stapok
(1.52862, 110.32288) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
20.0000 		Other (At-Grade)
Single-Lane
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Lapangan Terbang
(1.50399, 110.34811) 		Other
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		Vehicular access to central island.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Sherip Masahor / Jalan Taman Hui Sing
(1.51238, 110.34372) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
110.0000 		Other (At-Grade)
Multilane (3+ Lane) 		Concentric striped circulatory roadway.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Datuk Tawi Sli
(1.52093, 110.33663) 		Rotary
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
200.0000 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		Oval shaped. ICD = 200 m x 160 m.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Tun Razak / Jalan Wan Alwi / Jalan Ridgeway
(1.53037, 110.35927) 		Rotary
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
230.0000 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Wan Alwi / Jalan Setia Raja
(1.52098, 110.38141) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
130.0000 		Other (At-Grade)
Multilane (3+ Lane) 		Oval shaped. ICD = 130 m x 105 m.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Stutong / Jalan Tabuan Laru
(1.50515, 110.37383) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
110.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kota Samarahan, Sarawak
Bahagian Samarahan
Malaysia 		Jalan Datuk Muhammad Musa / Lebuhraya Kuching-Samarahan
(1.45870, 110.41921) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
210.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kota Samarahan, Sarawak
Bahagian Samarahan
Malaysia 		Lebuhraya Kuching-Samarahan / (unknown)
(1.47543, 110.41598) 		Rotary
Existing 		All-Way Yield
Unknown 		3 Approaches
2 Driveways
240.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kota Samarahan, Sarawak
Bahagian Samarahan
Malaysia 		Lebuhraya Kuching-Samarahan / (unknown)
(1.48899, 110.40638) 		Rotary
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
240.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Kilang / Jalan Jentera / Jalan Daya
(1.57086, 110.38610) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
130.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Kemajuan /Jalan Keruing / Jalan Tekad
(1.56589, 110.39047) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
165.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Belian / Jalan Mersawa
(1.55877, 110.38910) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
120.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Oval shaped. ICD = 120 m x 105 m.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Demak Laut / (unknown)
(1.59627, 110.40727) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
95.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Concentric striped circulatory roadway.
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Rte 1002 / (unknown)
(1.59920, 110.43140) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
110.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Bako
(1.59957, 110.44135) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
200.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Demak Maju / (unknown)
(1.59923, 110.44736) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
130.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Jalan Sultan Tengah / (unknown)
(1.62387, 110.34799) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
245.0000 		Other (At-Grade)
Multilane (3+ Lane)
Kuching, Sarawak
Bahagian Kuching
Malaysia 		Lorong Cahya Mata / (unknown)
(1.64234, 110.33686) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Kuching, Sarawak
Bahagian Kuching
Malaysia 		(unknown)
(1.64450, 110.33504) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Kuching, Sarawak
Bahagian Kuching
Malaysia 		(unknown)
(1.64720, 110.33526) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Timnath, CO
Larimer Co.
United States 		Club Dr. / Innovate Pl.
(40.52134, -104.95463) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2008 Year Completed estimated (2006-2010).
Timnath, CO
Larimer Co.
United States 		Signal Tree Dr. / Timinath Trail Rd.
(40.52143, -104.97703) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Timnath, CO
Larimer Co.
United States 		Signal Tree Dr. / Stone Fly Dr.
(40.51928, -104.97637) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2019 South leg stubbed. Year Completed estimated (2017-2019).
Windsor, CO
Weld Co.
United States 		CO 257 / Pointe Plaza Dr.
(40.47823, -104.88905) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2019 At-grade rail crossing located 370 feet to south. Year Completed estimated (2018-2019).
Windsor, CO
Larimer Co.
United States 		Crystal Downs Dr. / Vernazza Way
(40.45625, -104.97811) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Berthoud, CO
Weld Co.
United States 		CO 56 / I-25 SB Ramps
(40.30636, -104.98169) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2021 https://www.codot.gov/news/2021/november-2021/co56-i25-reopens-early
Berthoud, CO
Weld Co.
United States 		CO 56 / I-25 NB Ramps
(40.30632, -104.97848) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2021 https://www.codot.gov/news/2021/november-2021/co56-i25-reopens-early
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).
Surrey, BC
Greater Vancouver
Canada 		25 Ave. / 166 St.
(49.04745, -122.76265) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2022
Surrey, BC
Greater Vancouver
Canada 		3A Ave. / 172 St.
(49.00848, -122.74635) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2012
Gig Harbor, WA
Pierce Co.
United States 		Olympus Way / Buckhorn Pl. / Copper Ct.
(47.36278, -122.59679) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2014
Enumclaw, WA
King Co.
United States 		Semanski St. / Warner Ave.
(47.19201, -122.00551) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2021 Next to Enumclaw High School. https://www.courierherald.com/news/council-awards-bid-for-roundabout-in-front-of-enumclaw-high/