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
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 		Middleton Rd. / E Sawtooth Lake Dr.
(43.69887, -116.61324) 		Roundabout
Unknown 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Scheduled for completion August 2023.
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 		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) / 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.
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)
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 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.
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 		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).
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
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).
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. / 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)
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).
Calgary, AB
Division 6
Canada 		194 Ave. SE / Wolf Willow Blvd. SE
(50.87758, -114.00378) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		212 Ave. SE / Cranston Gate SE / Deerfoot Trl. (Hwy 2) SB Ramps
(50.86657, -113.96433) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
72.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2019 Raindrop shaped. Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		212 Ave. SE / Deerfoot Trl. NB Exit Ramp
(50.86526, -113.96014) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
70.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2019 Raindrop shaped. Year Completed estimated (2017-2020).
Okotoks, AB
Division 6
Canada 		Mountainview Dr. / Mountainview Gate
(50.72974, -113.98983) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Lethbridge, AB
Division 2
Canada 		Metis Trl. W / Temple Blvd. W
(49.66881, -112.89288) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Saskatoon, SK
Division 11
Canada 		Feheregyhazi Blvd. / Orban Way
(52.17548, -106.55102) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2020).
Woodburn, OR
Marion Co.
United States 		OR 219 / Butteville Rd.
(45.15079, -122.89405) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Yield-controlled right-turn bypass lane on west leg. South leg realigned with roundabout. Serves large warehouse.
Varberg, Halland County
Varbergs kommun
Sweden 		Österängsvägen / (unknown)
(57.10107, 12.27494) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2019 Bypass lanes on all legs. The previous design was one-way yield for the intersection.
Lehi, UT
Utah Co.
United States 		N 3600 W / W 2700 N
(40.42051, -111.90717) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2020 Through-only and through-right arrows on all approaches, including on stem of T-intersection.
American Fork, UT
Utah Co.
United States 		N 4850 W / 620 S
(40.36393, -111.77437) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Interim configuration with north, south, and west legs only. Right-turn-only lane on west leg and striped out receiving lane in circulatory roadway. Two circulating lanes on north leg in interim configuration. Year Completed estimated (2021-2022).
Calgary, AB
Division 6
Canada 		Legacy Village Way SE / Legacy Village Rd. SE
(50.85969, -114.02478) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Pocatello, ID
Bannock Co.
United States 		Olympus Dr. / Northgate Pkwy. / E Siphon Dr.
(42.92794, -112.42884) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2018 Concentric striped circulatory roadway with dotted edge line around entire circumference. No splitter island on east leg. Year Completed estimated (2017-2019).
Warrnambool, VIC
Warrnambool
Australia 		Stanley St. / Pertobe Rd. / Viaduct Rd.
(-38.39665, 142.47200) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Colorado Springs, CO
El Paso Co.
United States 		Issaquah Dr. / Durango Kid Dr.
(38.92864, -104.68562) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2015).
Colorado Springs, CO
El Paso Co.
United States 		Issaquah Dr. / Hawk Wind Blvd.
(38.92294, -104.68581) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2006-2011).
Colorado Springs, CO
El Paso Co.
United States 		Kenosha Dr. / Mulberry Dr.
(38.94566, -104.67644) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Parker, CO
Douglas Co.
United States 		S Red Sky Dr. / S Swift Fox Way
(39.49572, -104.80072) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Engelwood, CO
Douglas Co.
United States 		Aviator Way / Aviator Ln.
(39.55846, -104.84554) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003). South leg added 2004-2005.
Aurora, CO
Arapahoe Co.
United States 		S Sampson Gulch Way / E Clifton Dr.
(39.56850, -104.69683) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Denver, CO
Denver Co.
United States 		Fairmount Dr. / S Valentia St.
(39.70575, -104.89029) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1999-2002).
Colorado Springs, CO
El Paso Co.
United States 		Spectrum Loop / Grey Hawk Dr.
(39.02499, -104.81383) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2011).
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).
Bloomingdale, GA
Chatham Co.
United States 		Bloomingdale Rd. / Little Neck Rd. / I-16 EB Ramps
(32.09873, -81.32315) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 Yield-controlled right-turn bypass lane on west leg (freeway exit ramp) that is aimed at circulatory roadway. Yield-controlled right-turn bypass lane on south leg onto freeway entrance ramp.
Lakewood, WA
Pierce Co.
United States 		Gravelly Lake Dr. SW / Washington Blvd. SW
(47.14920, -122.53942) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://cityoflakewood.us/weekly-bulletin-220408/
Lincoln, NE
Lancaster Co.
United States 		S Folsom St. / W Palm Canyon St.
(40.75232, -96.73030) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 Striped out shoulder on right side of north and south entries. https://www.lincoln.ne.gov/City/Departments/LTU/LTU-Projects/LOTM/Projects/Growth/Folsom-at-Old-Cheney
Parma, MI
Jackson Co.
United States 		W Michigan Ave. / I-94 EB Ramps
(42.26564, -84.61940) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 https://jtv.tv/i-94-michigan-avenue-parma-interchange-to-reopen-tuesday/
Rice Lake, WI
Barron Co.
United States 		STH 48 (W Knapp St.) / US 53 NB Ramps
(45.50926, -91.76067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on east leg. https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Rice Lake, WI
Barron Co.
United States 		STH 48 (21st Ave - Knapp St.) / US 53 SB Ramps
(45.50932, -91.76298) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Yield-controlled right-turn bypass lane on west leg. https://www.apg-wi.com/rice_lake_chronotype/free/traffic-changes-around-us-53-wis-48-interchange-in-rice-lake-coming-in-october/article_4e8de952-0334-11eb-a7de-678b8ff263bc.html
Kitchener, ON
Waterloo
Canada 		Blair Creek Dr. / Doon South Dr.
(43.37282, -80.43378) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Kitchener, ON
Waterloo
Canada 		Blair Creek Dr. / Thomas Slee Dr.
(43.37033, -80.44091) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Bismarck, ND
Burleigh Co.
United States 		43rd Ave. N / N 26th St.
(46.85246, -100.75128) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2022
Perdido Key, FL
Escambia Co.
United States 		SR 292 (Perdido Key Dr.) / Johnson Beach Rd.
(30.29923, -87.42787) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Year Completed estimated (2022-2023). https://www.facebook.com/studio850/videos/perdido-key-roundabout-taking-shapesafer-speeds-and-reduced-congestion-are-goals/2442958579185514/
(unincorporated), TX
Fort Bend Co.
United States 		Tamarron Point / Tamarron Park
(29.72909, -95.91359) 		Unknown
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 Fully mountable splitter and center islands
Austin, TX
Travis Co.
United States 		Center Lake Dr. / Parmer Ridge Dr.
(30.40955, -97.65799) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2017
Basingstoke, England
Hants
United Kingdom 		Western Way / Saint Peter's Rd.
(51.26083, -1.11154) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Basingstoke, England
Hants
United Kingdom 		A339 / M3 Ramps
(51.25793, -1.06507) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Bakersfield, CA
Kern Co.
United States 		Windermere St. / Muirlands Pkwy. / Brentmoor Cir.
(35.31845, -119.13707) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Fresno, CA
Fresno Co.
United States 		E Fancher Creek Dr. / N Armstrong Ave.
(36.74138, -119.67865) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2020
Fresno, CA
Fresno Co.
United States 		N Alicante Dr. / Crest View Dr.
(36.90734, -119.74334) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Merced, CA
Merced Co.
United States 		E Yosemite Ave. / Campus Pkwy.
(37.33240, -120.42433) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 Year Completed estimated (2021-2022).
Modesto, CA
Stanislaus Co.
United States 		Student Center Dr. / 6th St.
(37.66402, -121.03414) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2017 Y-shaped intersection. Bike lane striped in circulatory roadway. 28181.
Modesto, CA
Stanislaus Co.
United States 		6th St. / B St.
(37.66152, -121.03413) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2017 On campus of Modesto Junior College West Campus. Bike lanes striped within circulatory roadway. Year Completed estimated (2016-2017).
Modesto, CA
Stanislaus Co.
United States 		4th St. / E St.
(37.66411, -121.03798) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2017 On campus of Modesto Junior College West Campus. Bike lanes striped in circulatory roadway. Painted splitter island on south leg. Year Completed estimated (2016-2017).
Modesto, CA
Stanislaus Co.
United States 		Hillglen Ave. / Sorrel Wood Dr.
(37.68533, -120.95336) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2010
Modesto, CA
Stanislaus Co.
United States 		Kodiak Dr. / Lincoln Oak Dr.
(37.68164, -120.94799) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Stockton, CA
San Joaquin Co.
United States 		Buddy Holly Dr. / Nash Dr.
(38.04691, -121.27337) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Stockton, CA
San Joaquin Co.
United States 		Ocean Mist Way / A G Spanos Blvd.
(38.05497, -121.34964) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Stockton, CA
San Joaquin Co.
United States 		Breaker Way / Sand Castle Way
(38.05649, -121.34750) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Stockton, CA
San Joaquin Co.
United States 		Swainsons Hawk St. / Lands End Dr.
(38.05429, -121.34275) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006
Merced, CA
Merced Co.
United States 		El Redondo Dr. / Lehigh Dr.
(37.33927, -120.49535) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006
Missoula, MT
Missoula Co.
United States 		Southgate Mall Access Rd. / Mary Ave.
(46.84412, -114.02685) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2016-2019).
Calgary, AB
Division 6
Canada 		130 Ave. SW / Tsuut'ina Trl. NB Exit Ramp
(50.93611, -114.13893) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2020 Raindrop shaped.
Calgary, AB
Division 6
Canada 		Savanna Blvd. NE / 52 St. NE
(51.13495, -113.95843) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		46 St. NE / Savanna Blvd. NE
(51.13503, -113.96582) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		Marine Dr. SE / Mahogany Rd. SE
(50.89464, -113.92917) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		Marine Dr. SE / Masters Ave. SE
(50.89226, -113.92533) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2020).
Calgary, AB
Division 6
Canada 		Chaparral Valley Square SE / Chaparral Valley Dr. SE
(50.88594, -114.01532) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.0000 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011).
Calgary, AB
Division 6
Canada 		Nose Hill Dr. NW / Haskayne Dr. NW / Rosemont Blvd. NW
(51.10814, -114.26887) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Year Completed estimated (2020-2021).
Calgary, AB
Division 6
Canada 		McCall Way NE / Barlow Trl. NE
(51.10221, -114.00061) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2010 Year Completed estimated (2008-2011).
Calgary, AB
Division 6
Canada 		Uxbridge Dr. NW / Ulster Rd. NW
(51.06991, -114.12950) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		Westhills Way SW / Glenmore Trl. SW (Hwy 8-Hwy 201) WB Ramps
(51.00996, -114.17395) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Year Completed estimated (2020-2021).
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Westhills Way SW / Tsuut'ina Pkwy. / Glenmore Trl. (Hwy 8-Hwy 201) EB Ramps
(51.00743, -114.17479) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Tsuut'ina Pkwy / Tsuut'ina Trl. SW NB Ramps
(51.00090, -114.16348) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Year Completed estimated (2020-2021).
Tsuu T'ina Nation 145, AB
Division 6
Canada 		Tsuut'ina Pkwy / Tsuut'ina Trl. SW SB Ramps
(51.00130, -114.16953) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Calgary, AB
Division 6
Canada 		Peacekeepers Way SW / Don Ethell Blvd. SW
(51.00475, -114.12697) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0000 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Calgary, AB
Division 6
Canada 		Quarry Way SE / Quarry Gate SE
(50.96118, -114.01967) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0000 		Other (At-Grade)
Single-Lane 		2011
Lumberton, TX
Hardin Co.
United States 		Chapel Creek Dr. / Spring Brook Ct.
(30.25542, -94.20976) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Gulfport, MS
Harrison Co.
United States 		20th Ave. / Jones Park Dr.
(30.36646, -89.08605) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		Pedestrian access to central island.
Biloxi, MS
Harrison Co.
United States 		Ellzey Dr. / Medical Park Dr.
(30.44652, -88.94459) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2018 Circulatory roadway dotted edge line across exits. Year Completed estimated (2017-2019).
Foley, AL
Baldwin Co.
United States 		S OWA Blvd. / Midtown Village Blvd. / (unknown)
(30.37156, -87.65917) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2017 Unsigned and unmarked left-turn-only trap lane on east leg. 2022 or earlier (SV)
Airdrie, AB
Division 6
Canada 		Williamstown Blvd. NW / Reunion Blvd. NW
(51.30299, -114.03377) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Single-Lane 		2012
Calgary, AB
Division 6
Canada 		Redstone Ave. NE / Redstone Blvd. NE
(51.17294, -113.95110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2018
Calgary, AB
Division 6
Canada 		Skyview Ranch Dr. NE / 52 St. NE
(51.15802, -113.95843) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2017
Calgary, AB
Division 6
Canada 		Cityscape Dr. NE / Cityscape Gate NE
(51.15240, -113.95842) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2013
Calgary, AB
Division 6
Canada 		104 Ave. NE / 42 St. NE
(51.14721, -113.97406) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2015
St George, UT
Washington Co.
United States 		N Winchester Dr. / Ledges Pkwy.
(37.19896, -113.62402) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2004-2006).
Washington, UT
Washington Co.
United States 		N Redstone Rd. / Ridgeview Dr.
(37.13765, -113.48313) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2004-2006).
Gaillard, Auvergne-Rhône-Alpes
Haute-Savoie
France 		Rue René Cassin / Rue René Cassin / (parking)
(46.17990, 6.21525) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane