Roundabouts Database

29359 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
Columbia, MD
Howard Co.
United States 		Tamar Dr. / Old Montgomery Rd.
(39.20533, -76.82822) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2022 https://www.howardcountymd.gov/News090122c
Columbia, MO
Boone Co.
United States 		W Nifong Blvd. / Sinclair St.
(38.91006, -92.37251) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Columbia, MO
Boone Co.
United States 		W Nifong Blvd. / S County Woods Rd. / Vawter School Rd. / S Old Mill Creek Rd.
(38.91097, -92.38182) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Columbia, IL
Monroe Co.
United States 		Quarry Rd. / Palmer Creek Dr.
(38.46186, -90.21085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 https://www.republictimes.net/another-roundabout-for-columbia/
Columbia, MD
Howard Co.
United States 		Vantage Point Rd.
(39.22074, -76.85392) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Columbia, MD
Howard Co.
United States 		Charter Dr. / (parking)
(39.21273, -76.88310) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2013 Converted from cul-de-sac. Year Completed estimated (2011-2014).
Columbia, SC
Richland Co.
United States 		Old Somerby Way / Lake Carolina Dr. / Granbury Ln.
(34.18569, -80.88220) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2003
Columbia, SC
Richland Co.
United States 		Lake Carolina Dr. / Hartmill Dr.
(34.18884, -80.89329) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2003
Columbia, SC
Richland Co.
United States 		Magnolia Bluff Dr. / N Bay Crossing
(34.18293, -80.89474) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Columbia, SC
Richland Co.
United States 		Magnolia Bluff Dr. / Waterton Way / Arbor Place Dr. / Arbor Vista Ct.
(34.18264, -80.89318) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Columbia, SC
Richland Co.
United States 		Sailing Club Dr. / Rolling Shoals Dr. / Sunchaser Dr.
(34.17660, -80.89290) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Columbia, SC
Richland Co.
United States 		Lake Carolina Blvd. / Lake Carolina Dr.
(34.17813, -80.89618) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
68.5800 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Concentric striping in circulatory roadway. Year Completed estimated (1994-2003). 21442.
Columbia, SC
Richland Co.
United States 		Eagle Pointe Dr. / Willow Pointe Dr.
(34.17341, -80.89656) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on east and west legs.
Columbia, SC
Richland Co.
United States 		Brooksdale Dr. / Pennywell Ct. / Parnell Ct.
(34.19338, -80.90425) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Columbia, SC
Richland Co.
United States 		Ashland Blvd. / Ashland Dr. / Mapleside Dr.
(34.19364, -80.89998) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2006-2011).
Columbia, SC
Richland Co.
United States 		Pool Circle
(34.15651, -80.93581) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Building and swimming pool in central island. Parking along circulatory roadway.
Columbia, SC
Richland Co.
United States 		Lake Village Dr. / Freshwater Dr.
(34.13498, -80.94074) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Columbia, SC
Richland Co.
United States 		Roberts Branch Pkwy.
(34.14167, -80.94965) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2016 Painted splitter islands.
Columbia, SC
Richland Co.
United States 		Lightwood Knot Rd. / Seven Springs Rd.
(34.13627, -80.88497) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Columbia, SC
Richland Co.
United States 		Town Center Pl. / Promenade Pl.
(34.12948, -80.87869) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Parking along circulatory roadway. Concentric circulatory roadway markings.
Columbia, MD
Howard Co.
United States 		Stevens Forest Rd. / Farewell Rd. / Night Street Hill
(39.20114, -76.84781) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019
Columbia, MO
Boone Co.
United States 		Rte K / S Sinclair Rd. / Old Plank Rd.
(38.87078, -92.38241) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://abc17news.com/news/2021/08/18/sinclair-and-route-k-roundabout-now-open/
Columbia Heights, MN
Anoka Co.
United States 		39th Ave. NE / Jefferson St. NE
(45.03828, -93.25522) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7581 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Columbiana, OH
Columbiana Co.
United States 		SR 164 (Lisbon St. - N Main St.) / S Main St. / E Park Ave.
(40.88864, -80.69362) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Diamond shaped. Parking along circulatory roadway.
Columbine, CO
Jefferson Co.
United States 		S. Simms St. / W. Quincy Ave.
(39.63865, -105.12860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.0301 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Columbine, CO
Jefferson Co.
United States 		S. Simms St. / Nelson St.
(39.64159, -105.12910) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.6271 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Right turn bypass lanes on three legs. ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Ashley Station Blvd. / Olive St.
(32.48650, -84.97856) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.1785 		Other (At-Grade)
Single-Lane 		2007 Completed February 2007. Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Antietam Dr. / (apartment entrance)
(32.42582, -84.91289) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
22.1786 		Other (At-Grade)
Single-Lane 		2008 Completed April 2008. Functional Class: Collector ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Antietam Dr. / Lexington Lake Dr.
(32.42737, -84.91043) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.2025 		Other (At-Grade)
Single-Lane 		2010 Completed April 2010. Functional Class: Collector ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Grove Park Dr. / (apartment entrance)
(32.55886, -84.97034) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
2 Driveways
40.2651 		Other (At-Grade)
Single-Lane 		2006 Completed June 2006. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Gazebo Way / Vine St.
(32.42785, -84.94247) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.1862 		Other (At-Grade)
Single-Lane 		2009 Completed November 2009. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Preservation Way / Broadleaf Ln.
(32.56264, -84.84101) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.2765 		Other (At-Grade)
Single-Lane 		2007 Completed May 2007. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Wellington Trace / Wellington Way
(32.57888, -84.90186) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.2817 		Other (At-Grade)
Single-Lane 		2005 Completed April 2005. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Whitesville Walk / Woodville Dr.
(32.55371, -84.97279) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.1939 		Other (At-Grade)
Single-Lane 		2007 Completed March 2007. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Warm Springs Rd. / Blackmon Rd.
(32.54701, -84.89021) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.1555 		Other (At-Grade)
Single-Lane 		2011 Completed February 2011. Functional Class: Arterial ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Yellow Pine Rd. / Calumet Dr.
(32.54861, -84.81565) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.1820 		Other (At-Grade)
Single-Lane 		2011 Completed June 2011. Functional Class: Collector ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Transport Blvd. / Cargo Dr.
(32.51770, -84.87556) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.3899 		Other (At-Grade)
Single-Lane 		2012 Completed March 2012. Separate right-turn lane on northwest leg. Previously controlled by two-way stop Functional Class: Local ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		18th Ave. / Garrard St.
(32.48277, -84.96620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.3067 		Other (At-Grade)
Single-Lane 		2012 Elongated central island. Functional Class: Local ICD estimated from Google Maps linework.
Columbus, NC
Polk Co.
United States 		NC 108 / I-26 EB Ramps
(35.24493, -82.20628) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
35.1144 		Freeway Ramps (Grade-Separated)
Single-Lane 		2004 Part of interchange - two-lane bridge. ICD estimated from Google Maps linework.
Columbus, NC
Polk Co.
United States 		NC 108 / I-26 WB Ramps
(35.24627, -82.20499) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.1384 		Freeway Ramps (Grade-Separated)
Single-Lane 		2007 Part of interchange - two-lane bridge. ICD estimated from Google Maps linework.
Columbus, OH
Franklin Co.
United States 		US 62 (Johnstown Rd.) / Morse Rd.
(40.05465, -82.84182) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.0222 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Skewed alignment realigned. High-speed rural approaches. Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Columbus, OH
Franklin Co.
United States 		N Hamilton Rd. / Clark State Rd.
(40.02397, -82.86595) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016
Columbus, OH
Franklin Co.
United States 		N Hamilton Rd / Parc Dr.
(40.03180, -82.86552) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016
Columbus, OH
Franklin Co.
United States 		Groveport Rd. / Old Rathmell Ct. / Alum Creek Dr. access
(39.86733, -82.93329) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.9175 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Part of intersection complex with grade separation. Right-turn bypass lane on south leg. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Columbus, OH
Franklin Co.
United States 		Groveport Rd. / Alum Creek Rd. access / (parking lot)
(39.86872, -82.93737) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.5833 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on west leg. Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		St. Marys Rd. / Northstar Dr. / Lakefront Dr.
(32.44089, -84.91252) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2782 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Single-lane except for two circulating lanes in one section (although fed by single-lane entries). ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Schatulga Rd. / Corporate Ridge Pkwy.
(32.50364, -84.86957) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.2536 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		S Lumpkin Rd. / Chattahoochee Riverwalk
(32.40150, -84.95556) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.4194 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		14th St. / Front Ave.
(32.47244, -84.99457) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
20.1519 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Columbus, IN
Bartholomew Co.
United States 		11th St. / Lindsey St. / Brown St.
(39.20836, -85.92443) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.4206 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 At-grade rail crossing on west leg (flashers, no gates). ICD estimated from Google Maps linework.
Columbus, IN
Bartholomew Co.
United States 		US 31 / E CR 400 S
(39.14378, -85.84092) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1249 		Other (At-Grade)
Single-Lane 		2016 https://www.in.gov/indot/3445.htm. ICD estimated from Google Maps linework.
Columbus, OH
Franklin Co.
United States 		Dublin-Granville Rd. / Albany Park Dr.
(40.07893, -82.84812) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2019
Columbus, OH
Franklin Co.
United States 		International Gateway / Stelzer Rd. / Red Lot parking access
(39.99937, -82.90639) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5967 		Other (At-Grade)
Single-Lane 		2008 On site of John Glenn Columbus International Airport. Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Columbus, MN
Anoka Co.
United States 		Lake Dr. NE / (unknown)
(45.25047, -93.02965) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8368 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		GA 219 (River Rd.) / Green Island Dr. / Bradley Park Dr. / Cascade Rd.
(32.52817, -84.99224) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
52.3625 		Other (At-Grade)
Single-Lane 		2019 https://www.wrbl.com/news/local-news/river-road-roundabout-opens-monday-afternoon-first-test-comes-tuesday-morning/ ICD estimated from Google Maps linework.
Columbus, MI
St. Clair Co.
United States 		Gratiot Ave. / Palms Rd.
(42.85156, -82.63709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://www.thetimesherald.com/story/news/2021/09/29/roundabout-palms-gratiot-open-traffic-week-columbus-twp/5913286001/
Columbus, OH
Franklin Co.
United States 		Clark State Rd. / Reynoldburg-New Albany Rd.
(40.04370, -82.80916) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020
Columbus, GA
Muscogee Co.
United States 		Cusseta Rd. / Fort Benning Rd. / Brennan Rd. / Lakeside Dr.
(32.43741, -84.94018) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://chattvoice.com/new-south-columbus-roundabout-to-open-next-week-p2277-1.htm
Columbus, OH
Delaware Co.
United States 		Lazelle Rd. / S Old State Rd. / Storrow Rd.
(40.13638, -83.00269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021
Columbus, MS
Lowndes Co.
United States 		Main St. / 2nd St.
(33.49465, -88.43198) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://cdispatch.com/news/2021-01-09/photo-downtown-roundabout-opens/
Columbus, NE
Platte Co.
United States 		41st Ave. / Discoverer Dr.
(41.45678, -97.37745) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2015
Columbus, MS
Lowndes Co.
United States 		Military Rd. / US 82 EB Ramps
(33.51801, -88.41368) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 https://cdispatch.com/news/2020-11-19/military-road-roundabout-project-to-reach-completion-by-end-of-november/
Columbus, MS
Lowndes Co.
United States 		Military Rd. / US 82 WB Ramps
(33.51915, -88.41193) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 https://cdispatch.com/news/2020-11-19/military-road-roundabout-project-to-reach-completion-by-end-of-november/
Columbus, GA
Muscogee Co.
United States 		Blackmon Rd. / Greystone Rd.
(32.55196, -84.89764) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2014-2016).
Columbus, GA
Muscogee Co.
United States 		Flat Rock Rd. / Midland Commons Blvd.
(32.54189, -84.87478) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Lane changes required to exit. Year Completed estimated (2022-2022).
Columbus, GA
Muscogee Co.
United States 		Flat Rock Rd. / (unknown)
(32.54468, -84.87492) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 Lane changes required to exit. Year Completed estimated (2020-2022).
Colville, WA
Stevens Co.
United States 		SR 395 / Railroad Ave.
(48.54959, -117.91250) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.9494 		Other (At-Grade)
Single-Lane 		2007 Opened October 2007. ICD estimated from Google Maps linework.
Colville, WA
Stevens Co.
United States 		US 395 (Main St.) / E Hawthorne Ave. / Railroad Ave. / S Washington St.
(48.53631, -117.90580) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
68.5800 		Other (At-Grade)
Single-Lane 		2003 Opened March 2003. Hotdog/racetrack shape. ICD = 225 ft x 120 ft.
Colwood, BC
Capital
Canada 		Latoria Rd. / Veterans Memorial Pkwy. / Medalist Ave.
(48.40853, -123.50873) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown 		2023 https://www.colwood.ca/news-events/news/2023-12-15-000000/now-open-new-roundabout-latoria-road-and-veterans-memorial
Colyton, NSW
Penrith
Australia 		Roper Rd. / Carlisle Ave.
(-33.78566, 150.80606) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Commerce, MI
Oakland Co.
United States 		Bogie Lake Rd. / Cooley Lake Rd.
(42.61317, -83.49239) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.7635 		Other (At-Grade)
Single-Lane 		2008 Yield-controlled right=turn bypass lanes on south and west legs. ICD estimated from Google Maps linework.
Commerce, GA
Banks Co.
United States 		GA 59 / Segars Rd.
(34.29473, -83.39858) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://accesswdun.com/article/2021/2/980363/new-ga-59-roundabout-will-facilitate-safe-travel-near-new-industries
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
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).
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.
Comstock Township, MI
Kalamazoo Co.
United States 		S Sprinkle Rd. / I-94 WB Off-Ramp / E Cork St.
(42.26233, -85.53094) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2015
Concepción, Bio-Bio
Concepción Province
Chile 		Rotonda Paicavi [Avenida Los Carrera / Avenida Paicavi]
(-36.82008, -73.04424) 		Signalized Roundabout/Circle
Existing 		Signal
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Hamburger shaped.
Concepción, Bio-Bio
Concepción Province
Chile 		Avenida Los Lleuques / Calle Rio Calle Calle / Avenida Siete Lagunas
(-36.78509, -73.04292) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Concepción, Bio-Bio
Concepción Province
Chile 		Calle Ramón Carrasco / Calle Nueva Dos / Calle C
(-36.78087, -73.05193) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Single-Lane
Concepción, Bio-Bio
Concepción Province
Chile 		Rotonda Aeropuerto Carriel Sur [Avenida Jorge Alessandri Rodriguez / Avenida Jorge Alessandri / Camino al Aeropuerto Carriel Sur]
(-36.77989, -73.05833) 		Rotary
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Concentric circulatory roadway striping.
Concord, MO
St. Louis Co.
United States 		Richmond Cavalry Dr. / Vicksburg Siege Ct.
(38.54358, -90.35063) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014
Concord, NSW
Canada Bay
Australia 		Majors Bay Rd. / Patterson St. / Crane St.
(-33.86064, 151.10397) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Elliptical shaped.
Concord, NH
Merrimack Co.
United States 		W Portsmouth St. / Mountain Rd. / Shawmut St. / East Side Dr.
(43.23702, -71.53564) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.5834 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Concord, VA
Campbell Co.
United States 		Village Hwy. / Doss Rd. / Spring Mill Rd.
(37.33438, -78.98112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2019).
Concord, NH
Merrimack Co.
United States 		Manor Rd. / Abbott Rd.
(43.26422, -71.57349) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2018 https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf
Concord, NC
Mecklenburg Co.
United States 		Christenbury Rd. / Millstream Ridge Dr.
(35.38115, -80.74506) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
27.2652 		Other (At-Grade)
Single-Lane 		2003 Developer subdivision. ICD estimated from Google Maps linework.
Concord, NC
Cabarrus Co.
United States 		Cabarrus Ave. / Old Charlotte Rd. / Cascade Dr.
(35.40025, -80.59350) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.8617 		Other (At-Grade)
Single-Lane 		2007 TIP project. ICD estimated from Google Maps linework.
Concord, CA
Contra Costa Co.
United States 		Landana Dr. / Mulberry Dr.
(37.97886, -121.99430) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0041 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Concord, MA
Middlesex Co.
United States 		Rte 2 (Union Tpke-Concord Tpke) / Rte 2A / Barretts Mill Rd. / Commonwealth Ave.
(42.46728, -71.39721) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
100.4354 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Infamous Concord rotary. ICD estimated from Google Maps linework.
Concord, NH
Merrimack Co.
United States 		N. State St. / Franklin St.
(43.21304, -71.54215) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
23.5019 		Other (At-Grade)
Single-Lane 		2009 Fifth leg is departure only into frontage road. ICD estimated from Google Maps linework.
Concord, NH
Merrimack Co.
United States 		Centre St. / Liberty St.
(43.20410, -71.54851) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.5054 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Concord, NH
Merrimack Co.
United States 		US 3 (Village St.) / Washington St.
(43.28008, -71.59997) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
25.2150 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Concord, NC
Cabarrus Co.
United States 		Poplar Tent Rd. / Gable Oaks Ln. / Woodhaven Pl.
(35.40456, -80.68726) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.9921 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 ICD estimated from Google Maps linework.
Concord, OH
Lake Co.
United States 		Auburn Rd. / Capital Pkwy.
(41.65787, -81.24412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2017 East leg added with roundabout construction. Year Completed estimated (2016-2017).
Concord, NC
Cabarrus Co.
United States 		Hendrick Auto Plaza NW / (unknown)
(35.36084, -80.70281) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane