Roundabouts Database

29411 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
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 EB Ramps / Interstate 70 Dr. SW
(38.96640, -92.35032) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.4304 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Harpers Farm Rd. / Campus Dr.
(39.21534, -76.88023) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.4614 		Other (At-Grade)
Single-Lane 		2003 Originally had 4 legs. ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Golden Straw Ln. / Long Meadow Ct.
(39.21441, -76.81085) 		Traffic Calming Circle
Existing 		Other
None 		3 Approaches
0 Driveways
99.0123 		Other (At-Grade)
Single-Lane 		2000 Yield control only on west leg. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd.
(38.96655, -92.35241) 		Roundabout
Removed 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
94.7178 		Freeway Ramps (Grade-Separated)
Single-Lane 		1996 First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Banneker Rd. / Cul-de-sac
(39.21141, -76.87041) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
17.5824 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Trotter Rd. / South Wind Cir.
(39.20956, -76.91891) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.1353 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Golden Straw Ln. / Davis Rd.
(39.21597, -76.81084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island 		2000 Completed April 28, 2000. Pedestrian ramps into circulatory roadway.
Columbia, MD
Howard Co.
United States 		Cradlerock Way / Homespun Dr.
(39.19095, -76.83787) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.2158 		Other (At-Grade)
Single-Lane 		2001 Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Interstate 70 Dr. SE / N Keene St.
(38.96117, -92.28877) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.facebook.com/ColumbiaMissouriPublicWorks/posts/the-roundabout-at-the-keene-street-and-i-70-drive-se-intersection-is-open-to-tra/3580714545294334/
Columbia, MO
Boone Co.
United States 		Forum Blvd. / Green Meadows Rd.
(38.91311, -92.35373) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 https://www.youtube.com/watch?v=HiB5NQzLK9w. Completed October 2019. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Nocona Pkwy. / Endeavor Ave.
(38.89488, -92.28544) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8159 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Cascades Dr. / Chelan Dr. / Chelan Cir.
(38.88024, -92.37684) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8218 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E St Charles Rd. / Battle Ave.
(38.96887, -92.22748) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
37.1430 		Other (At-Grade)
Single-Lane 		2019 http://gis.gocolumbiamo.com/BattleStCharlesRoundabout.jpg ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Owen Brown Rd. / Martin Rd.
(39.19989, -76.86930) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Columbia, MD
Howard Co.
United States 		Oakland Mills Rd. / MD 175 SB Ramps / (unknown)
(39.21308, -76.83456) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Columbia, MD
Howard Co.
United States 		Oakland Mills Rd. / Old Montgomery Rd.
(39.20788, -76.83157) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2017
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 		Tiger Ave. / Hospital Dr. / (parking)
(38.93766, -92.33084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.columbiamissourian.com/news/higher_education/roundabout-at-tiger-avenue-and-hospital-drive-opens-to-drivers/article_fc81909a-2d89-11ee-ad36-cbd098b5227c.html
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 		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, 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, 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