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
Colorado Springs, CO
El Paso Co.
United States 		Treeline View / Stately View
(38.87351, -104.86560) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.1228 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		(unknown #2)
(38.87847, -104.84910) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
18.5952 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Rd. / Kissing Camels Dr.
(38.87808, -104.86580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Graycroft
(38.97358, -104.78310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7125 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		E. Cheyenne Mountain Blvd. / Springmeadow Dr.
(38.79132, -104.82750) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.9191 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Berthie Cir.
(38.79348, -104.83950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7557 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Old Broadmoor Rd.
(38.79479, -104.83360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3405 		Other (At-Grade)
Single-Lane 		1995 Year Completed unknown (before 1999). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Promenade Dr. / Royal Pine Dr.
(38.96891, -104.74860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.2859 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Bridle Oaks Dr. / Woodmont Dr.
(39.01377, -104.79950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0311 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Sybilla Ln. / (parking lot)
(39.01263, -104.81160) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.9841 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Stout Dr. / (parking lot)
(39.01775, -104.81250) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
20.4146 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Royal Pine Dr.
(38.98067, -104.77060) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9242 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Beech Ave. / 1st St.
(38.79048, -104.84660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
42.8219 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Lake Ave. / Lake Cir.
(38.79144, -104.84880) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2724 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (before 1999). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Pine Manor Dr. / Stoneglen Dr.
(38.96827, -104.76670) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
26.9289 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Windjammer Dr. / Brigantine Dr.
(38.95401, -104.77020) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.5070 		Other (At-Grade)
Single-Lane 		1995 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Chapel Hills Dr. / Divot Trl.
(38.97569, -104.77560) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7116 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		University of Colorado - Colorado Springs
(38.89215, -104.80190) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
36.2537 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Nelson Blvd. / Harr Ave.
(38.73903, -104.80268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1948 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Antelope Ridge Dr. / Blue Vail Way
(38.90824, -104.68610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5986 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		N Hancock Ave. / Pirates Heights / (parking lot)
(38.88244, -104.80185) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8912 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Regent Cir. / (parking lot)
(38.89134, -104.79788) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3949 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Tutt Blvd. / Templeton Gap Rd.
(38.93203, -104.71363) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.4529 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Tutt Blvd. / Sisters Grove
(38.93681, -104.71169) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8758 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 One leg stubbed. Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Tutt Blvd. / Powerwood View
(38.93841, -104.71116) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.0169 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 One leg stubbed. Year Completed estimated (2005-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Powerwood View / Sisters Grove
(38.93851, -104.71390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5851 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Ave. / Park Ave. / Lake Cir.
(38.79330, -104.85226) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.7188 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Eagle Rock Rd. / Spine Rd.
(38.90327, -104.81455) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6008 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Targa Dr. / Woodmen Ridge View
(38.93858, -104.72473) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.5197 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Tutt Blvd. / Bear Run Point
(38.94247, -104.71133) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.5172 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Forestgate Dr. / Lochwinnoch Ln.
(38.96681, -104.68550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8585 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Forestgate Dr. / Cairngorm Way
(38.96770, -104.69892) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.4293 		Other (At-Grade)
Single-Lane 		2002 Elliptical shape. Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Grand Cordera Pkwy. / Sky Meadow Dr. / Wild Sage Grove
(38.96025, -104.72647) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8623 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		N Union Blvd. / Grand Cordera Pkwy.
(38.97597, -104.74059) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8532 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		N Union Blvd. / Cordera Crest Ave. / Nautilus Point
(38.97581, -104.74418) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5673 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Cordera Crest Ave. / Outlook Ridge Trl. / Taco Ave.
(38.97726, -104.74489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7094 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Continental Heights / Prominent Point
(38.97278, -104.74369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7843 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Prominent Point / Nautilus Point
(38.97327, -104.74271) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.8555 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Allegiance Dr. / Republic Dr.
(38.98670, -104.80719) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.6289 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Two legs stubbed. Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Federal Dr. / Rampart Hills View
(38.99266, -104.80356) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.9154 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Federal Dr. / Rampart Hills View / (parking lot)
(38.99663, -104.81004) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0567 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Northgate Blvd. / I-25 NB Ramps
(39.02725, -104.83094) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.2461 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Northgate Blvd. / I-25 SB Ramps
(39.02538, -104.83627) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.1752 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Stanton Rd. / (parking)
(38.89862, -104.80622) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2013 On college/university campus. Year Completed estimated (2011-2015).
Colorado Springs, CO
El Paso Co.
United States 		Briargate Pkwy. / Wolf Center Dr.
(38.97110, -104.72451) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.9272 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Briargate Pkwy. / Valemount Dr.
(38.97236, -104.72142) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.4265 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Briargate Pkwy. / Wolf Lake Dr.
(38.97533, -104.71652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.9955 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Year Completed estimated (2017-2019). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Cordera Crest Ave. / Notch Trl.
(38.97849, -104.75286) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0664 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Cordera Crest Ave. / Old Ranch Rd.
(38.98344, -104.75789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5651 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Printers Pkwy. / Parkside Dr.
(38.82888, -104.78714) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://gazette.com/government/new-1-9-million-printers-parkway-roundabout-will-open-saturday/article_9b0c6926-1ada-11eb-8af3-1fa948d84954.html
Colorado Springs, CO
El Paso Co.
United States 		S Tejon St. / Cascade Ave. / Cheyenne Blvd. / E Ramona Ave.
(38.80932, -104.82650) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Oblong shaped. https://gazette.com/cheyenneedition/traffic-circle-a-new-addition-to-ivywild-neighborhood/article_3fcc22d0-9c41-11ea-9167-03e005636fa2.html
Colts Neck Township, NJ
Monmouth Co.
United States 		Crine Rd. / Heulitt Rd. / Dutch Lane Rd.
(40.31080, -74.20457) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.3580 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Vandiver Dr. / Parker St.
(38.97104, -92.31310) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
61.2841 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Columbia, SC
Richland Co.
United States 		Piney Grove Rd. / Piney Woods Rd.
(34.06870, -81.13698) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.5737 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rollins Rd. / (parking lot entrance)
(38.94644, -92.38714) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
1 Driveways
23.2217 		Other (At-Grade)
Single-Lane 		2004 Entrance to parking lot for Bonnie View Nature Sanctuary. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rangeline Rd. / I-70 EB Ramps
(38.96822, -92.32486) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5719 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Grant Ln. / Trailside Dr. / Post Oak Dr.
(38.92438, -92.39510) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.7249 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		1995 Year Completed estimated (1994-1995). ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		S Scott Blvd. / Vawter School Rd. / S Brushwood Lake Rd.
(38.91264, -92.40001) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.3846 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rangeline Rd. / I-70 WB Ramps
(38.96927, -92.32512) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
26.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Durango Dr. / Flatwater Dr.
(39.01682, -92.27705) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
28.7664 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		MO-763 / Hwy VV / E Prathersville Rd. / N Wagon Trail Rd.
(39.01622, -92.32299) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
53.8214 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		American Pkwy. / Saddlebrook Pl.
(38.99086, -92.32150) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
34.3466 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Blue Ridge Rd. / Caribou Dr. / N Garth Ave.
(38.98316, -92.33732) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
26.9233 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Clark Ln. / Ballenger Pl.
(38.96325, -92.26735) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.7892 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Clark Ln. / E St Charles Rd. / Lakewood Dr.
(38.96322, -92.25112) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
43.6465 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E St Charles Rd. / Lake of the Woods Rd. / Player Pl.
(38.96324, -92.24605) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
26.9308 		Other (At-Grade)
Single-Lane 		2013 Oval shaped. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Mexico Gravel Rd. / Ballenger Ln.
(38.98530, -92.26479) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.9195 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Bristol Lake Dr. / Braddington Dr.
(38.89246, -92.29611) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.3098 		Other (At-Grade)
Single-Lane 		2006 fourth approach is now built; see Google satellite view ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Nocona Pkwy. / Kentsfield Ln.
(38.89915, -92.28609) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.5450 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Ponderosa St. / Nocona Pkwy. / Kentsfield Ln.
(38.90172, -92.28732) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.6139 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Ponderosa St. / Philips Farm Rd.
(38.90387, -92.29025) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
40.8948 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Columbia Gorge Pkwy. / (unknown)
(38.92607, -92.25845) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7324 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Hwy WW / S Rolling Hills Rd.
(38.92866, -92.25605) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016
Columbia, MO
Boone Co.
United States 		Hwy Z / E St Charles Rd.
(38.97300, -92.20385) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
40.8550 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Hwy KK / S Scott Blvd. / (parking lot entrance)
(38.88590, -92.40107) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
58.5687 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Wisteria Ln. / Crape Myrtle Dr.
(38.89785, -92.38804) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.5196 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Cascades Dr. / Marietta Falls Ln. / Vancouver Cir.
(38.87294, -92.37750) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.1055 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		New Town Ave. / Center St.
(38.87357, -92.36947) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
18.5965 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E Green Meadows Rd. / Carter Ln.
(38.91638, -92.33246) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
32.5242 		Other (At-Grade)
Single-Lane 		2010 Bing map has this on S Providence Rd, but that's wrong, since Providence Rd is the N-S freeway just to the west. Googlemaps says Carter Ln. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E Southampton Dr. / State Farm Pkwy.
(38.90095, -92.32656) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.6018 		Other (At-Grade)
Single-Lane 		2008 Two approaches stubbed. ICD estimated from Google Maps linework.
Columbia, SC
Richland Co.
United States 		Lake Carolina Dr. / Centennial Dr. / Summit Ridge Dr.
(34.16836, -80.87591) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5862 		Other (At-Grade)
Single-Lane 		2005 Very small splitter islands. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Bass Ave. / S Williams St.
(38.94899, -92.31709) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.8651 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB On-Ramp
(38.96647, -92.35328) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
1 Driveways
35.2871 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 Replaced older roundabout that was built in 1996. ICD estimated from Google Maps linework.
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, 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