Roundabouts Database

29616 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
Grand Junction, CO
Mesa Co.
United States 		Aviators Way / Eagle Dr.
(39.11972, -108.52625) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2006-2011).
Kansas City, KS
Wyandotte Co.
United States 		Washington Blvd. / N 20th St.
(39.11945, -94.65165) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0916 		Other (At-Grade)
Single-Lane 		2005 City jurisdiction. ICD estimated from Google Maps linework.
Kansas City, KS
Wyandotte Co.
United States 		Washington Blvd. / N 22nd St. / Everett
(39.11940, -94.65405) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
25.9448 		Other (At-Grade)
Single-Lane 		2005 City jurisdiction. ICD estimated from Google Maps linework.
Leesburg, VA
Loudoun Co.
United States 		Catoctin Cir. NE / Marshall Dr. NE
(39.11906, -77.55260) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.4587 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Kansas City, KS
Wyandotte Co.
United States 		Washington Blvd. / N 24th St.
(39.11831, -94.65591) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0920 		Other (At-Grade)
Single-Lane 		2005 City jurisdiction. ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Horizon Dr. / H Rd. / Eagle Dr.
(39.11827, -108.52976) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.2299 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2006-2011). Slight elliptical shape. Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Laurel, MD
Howard Co.
United States 		Old Scaggsville Rd. / High Ridge Rd. / Running Deer Dr.
(39.11815, -76.86396) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.7985 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Washingtonian Blvd. / Washington Blvd.
(39.11773, -77.20314) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Washingtonian Blvd. / Rio Blvd.
(39.11678, -77.20122) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1993-2002).
Leesburg, VA
Loudoun Co.
United States 		Catoctin Cir. NE / North St. NE
(39.11677, -77.55249) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6060 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
King Farm, MD
Montgomery Co.
United States 		Pleasant Circle
(39.11623, -77.17518) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Basehor, KS
Leavenworth Co.
United States 		155th St. / Pinehurst Dr. / Briar Rd.
(39.11526, -94.93861) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2004 City jurisdiction. Merging right-turn bypass lane on north leg.
Cincinnati, OH
Hamilton Co.
United States 		Fulton Ave / Eden Park Drive
(39.11472, -84.49347) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2865 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		24 Rd. / I-70 WB Ramps
(39.11454, -108.60820) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.7732 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Fort Riley, KS
Riley Co.
United States 		Estes Rd. / Kitty Dr.
(39.11423, -96.82334) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		Painted splitter islands.
Gaithersburg, MD
Montgomery Co.
United States 		Upshire Circle
(39.11353, -77.22397) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Grand Junction, CO
Mesa Co.
United States 		24 Rd. / I-70 EB Ramps
(39.11333, -108.60820) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.0672 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Fort Riley, KS
Riley Co.
United States 		Apennines Dr. / Estes Rd.
(39.11312, -96.81949) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2014-2020).
Grand Junction, CO
Mesa Co.
United States 		Horizon Dr. / I-70 WB Ramps
(39.11215, -108.53938) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.0415 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Fort Riley, KS
Riley Co.
United States 		Normandy Dr. / Estes Rd.
(39.11209, -96.81585) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Raindrop shaped.
Millersville, MD
Anne Arundel Co.
United States 		Brightview Dr. / Galiot Dr. / Tremont Dr.
(39.11196, -76.62028) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2008
Grand Junction, CO
Mesa Co.
United States 		Horizon Dr. / I-70 EB Ramps / Horizon 70 Ct.
(39.11140, -108.54051) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.0420 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Severna Park, MD
Anne Arundel Co.
United States 		East West Blvd. / Jumpers Hole Rd. / Adler Ct.
(39.10765, -76.58306) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
65.5320 		Other (At-Grade)
Single-Lane 		1998 Elliptical shape. ICD 225 ft x 200 ft. Year Completed estimated (1994-2002).
Wheaton, MD
Montgomery Co.
United States 		Park Vista Dr. / Wintergate Dr. / Longmeade Crossing Dr.
(39.10755, -77.05340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands added 2020.
Fort Riley, KS
Riley Co.
United States 		1st Division Rd. / Trooper Dr.
(39.10684, -96.79804) 		Rotary
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Single-Lane
Grand Junction, CO
Mesa Co.
United States 		24 Rd. / G Rd.
(39.10637, -108.60819) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2023 https://www.westernslopenow.com/news/local-news/the-artist-for-the-24-rd-roundabout-is-picked/
Grand Junction, CO
Mesa Co.
United States 		G Rd. / 25th Rd.
(39.10636, -108.58940) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.5834 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		G Rd. / 24 1 / 2 Rd.
(39.10635, -108.59870) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.2905 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		G Rd. / 23rd Rd.
(39.10632, -108.62669) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2011 Specifically designed for over-length, WB-110 trucks.
Fort Riley, KS
Riley Co.
United States 		Trooper Dr. / Normandy Dr.
(39.10538, -96.81595) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Lee's Summit, MO
Jackson Co.
United States 		Lake City Rd. / 7th Hwy
(39.10414, -94.28173) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
140.8736 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Fort Riley, KS
Riley Co.
United States 		Apennines Dr. / Warren Rd.
(39.10398, -96.81651) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Fort Riley, KS
Riley Co.
United States 		Trooper Dr. / Apennines Dr.
(39.10394, -96.81859) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Grand Junction, CO
Mesa Co.
United States 		Horizon Dr. / 12th St.
(39.10165, -108.55234) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		1998 Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout.
Olivehurst, CA
Yuba Co.
United States 		Oliverhurst Ave. / Powerline Rd. / Chestnut Rd.
(39.10142, -121.55111) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2018
Jessup, MD
Howard Co.
United States 		Canine Rd. / MD 32 EB Ramps
(39.10101, -76.76953) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0005 		Freeway Ramps (Grade-Separated)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Laurel, MD
Prince George's Co.
United States 		Montrose Ave. / Harrison Dr.
(39.09979, -76.85955) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Hebron, KY
Kenton Co.
United States 		North Bend Rd. / Graves Rd. / Old North Bend Rd.
(39.09881, -84.71849) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3432 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Odenton, MD
Anne Arundel Co.
United States 		Town Center Blvd. / Odenton Landing Way / Odenton Ave.
(39.09810, -76.70709) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2018 Year Completed estimated (2017-2018).
Camden, DE
Kent Co.
United States 		Tidbury Crossing / Mardela Dr.
(39.09787, -75.55114) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Leesburg, VA
Loudoun Co.
United States 		Beauregard Dr. SE / Fortress Cir. SE
(39.09720, -77.55053) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Burtonsville, MD
Montgomery Co.
United States 		Bentley Park Dr. / Saddle Creek Dr.
(39.09674, -76.91863) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Riley, KS
Riley Co.
United States 		Huebner Rd. / Williston Point Rd.
(39.09658, -96.74795) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2007 Painted splitter islands. Merging through bypass lane on southwest leg. Year Completed estimated (2006-2008).
Cincinnati, OH
Hamilton Co.
United States 		Roebling Way / Theodore M Berry Way / Walnut St.
(39.09641, -84.51076) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.6842 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Union Township, OH
Clermont Co.
United States 		Eastgate South Dr. / Clepper Ln. / (shopping center parking)
(39.09512, -84.27214) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
50.9805 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 date: https://www.clermontsun.com/2016/04/28/eastgate-roundabout-is-now-open/ ICD estimated from Google Maps linework.
Colfax, CA
Placer Co.
United States 		S Auburn St. / I-80 WB Ramps / (unknown)
(39.09472, -120.95079) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5154 		Freeway Ramps (Grade-Separated)
Single-Lane 		2019 City of Colfax is lead agency; Caltrans, Placer County, and developer mitigation funds paid for it. Expected completion 2019. Current configuration is a tee intersection; after construction there will be a fourth leg. ICD estimated from Google Maps linework.
Dover, DE
Kent Co.
United States 		Willow Grove Rd. (SR 10) / Dundee Rd. (SR 15)
(39.09429, -75.58103) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.5657 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Ashburn, VA
Loudoun Co.
United States 		Kipheart Dr. / Charlena Beth Dr. / Carradoc Farm Terrace
(39.09383, -77.48876) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2015 Painted splitter islands. Year Completed estimated (2015-2016).
Clermont, OH
Clermont Co.
United States 		Eastgate Blvd. / Ferguson Dr.
(39.09343, -84.28097) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
65.5320 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2007 Little speed control.
Clermont, OH
Clermont Co.
United States 		Ferguson Dr. / (West Unknown)
(39.09338, -84.28562) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.1051 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Newport, KY
Campbell Co.
United States 		Taylor-Southgate Bridge / 3rd St. / York St.
(39.09337, -84.49734) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.2512 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Hebron, KY
Boone Co.
United States 		N Bend Rd. (KY 237) / Cardinal Way / Park and Ride Dr.
(39.09299, -84.71405) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0048 		Other (At-Grade)
Single-Lane 		2009 http://local.nixle.com/alert/290390/ ICD estimated from Google Maps linework.
Stephens City, VA
Frederick Co.
United States 		Cross Keys Cir. / New Market Dr. / Cedar Mountain Dr.
(39.09234, -78.17097) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.5895 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 WB Ramps
(39.09178, -76.75688) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Konterra, MD
Prince George's Co.
United States 		Bentley Park Dr. / Parkgate Dr.
(39.09112, -76.91733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2015
Grand Junction, CO
Mesa Co.
United States 		Park Dr. / Meander Dr. / Meander Ct.
(39.09085, -108.57322) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2006-2011).
South Laurel, MD
Prince George's Co.
United States 		Frost Pl. / (parking)
(39.09016, -76.90091) 		Other
Existing 		Unknown
Unknown 		2 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Leesburg, VA
Loudoun Co.
United States 		Upper Belmont Pl. / Charlene Beth Dr.
(39.09004, -77.48704) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.5175 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 EB Ramps
(39.08997, -76.75736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Newport, KY
Campbell Co.
United States 		W 4th St. / 3rd St. / 5th St. / Chestnut Way
(39.08959, -84.49992) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
66.7434 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Rockville, MD
Montgomery Co.
United States 		Henderson Circle
(39.08800, -77.16702) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Fort Riley, KS
Geary Co.
United States 		Huebner Rd. / (unknown)
(39.08638, -96.76175) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012).
Batavia, OH
Clermont Co.
United States 		SR 222 / SR 132
(39.08592, -84.17873) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.wcpo.com/news/local-news/clermont-county/batavia-township-community/new-roundabout-set-to-open-in-batavia-after-data-showed-dozens-of-serious-crashes-at-the-intersection
Leesburg, VA
Loudoun Co.
United States 		Upper Belmont Pl. / Riverpoint Dr.
(39.08562, -77.49204) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8113 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Laurel, MD
Prince George's Co.
United States 		W Side Blvd. / (parking)
(39.08512, -76.89003) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Fort Riley, KS
Geary Co.
United States 		Huebner Rd. / (parking)
(39.08363, -96.76512) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
33.2232 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2012).
Dover, DE
Kent Co.
United States 		Longacre Dr. / Winesap Ln. / N Red Haven Ln.
(39.08312, -75.54767) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Grand Junction, CO
Mesa Co.
United States 		Independent Ave. / Sams Club entrance
(39.08170, -108.58310) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
33.3754 		Other (At-Grade)
Single-Lane 		2003 Serves commercial development parking lot. ICD estimated from Google Maps linework.
North Potomac, MD
Montgomery Co.
United States 		Bald Cypress Dr. / Willow Tree Dr. / Cherrydale Dr.
(39.08158, -77.20120) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Wheaton-Glenmont, MD
Montgomery Co.
United States 		Foggy Glen Dr. / Soaring Wing Ln.
(39.08128, -77.02998) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
(unincorporated), MD
Montgomery Co.
United States 		Travilah Rd. / Turkey Foot Rd. / Hanson Farm Dr.
(39.07993, -77.25560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands. Year Completed estimated (2019-2020).
(unincorporated), MD
Anne Arundel Co.
United States 		Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9594 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Rockville, MD
Montgomery Co.
United States 		Valley Dr. / Aqua Ln.
(39.07945, -77.20575) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Wheaton-Glenmont, MD
Montgomery Co.
United States 		Poplar Run Dr. / Night Sky Dr. / Moonlight Trail Dr.
(39.07862, -77.03729) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Odenton, MD
Anne Arundel Co.
United States 		MD 175 / MD 677 / Higgins Dr.
(39.07831, -76.68481) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Reduced from two lanes to one lane in 2010. 21442
Konterra, MD
Prince George's Co.
United States 		Belle Chasse Blvd. / Belle Chasse Blvd. (north)
(39.07820, -76.87960) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Grand Junction, CO
Mesa Co.
United States 		Broadway / Redlands Pkwy.
(39.07812, -108.63467) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.7214 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Konterra, MD
Prince George's Co.
United States 		Belle Chasse Blvd. / Belle Chasse Blvd. (southwest)
(39.07731, -76.88037) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Konterra, MD
Prince George's Co.
United States 		Belle Chasse Blvd. / Belle Chasse Blvd. (southeast)
(39.07714, -76.87923) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Anderson Township, OH
Hamilton Co.
United States 		(unknown)
(39.07631, -84.34992) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Konterra, MD
Prince George's Co.
United States 		Belle Chasse Blvd. / (parking) (west)
(39.07512, -76.88073) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Konterra, MD
Prince George's Co.
United States 		Belle Chasse Blvd. / (parking) (east)
(39.07499, -76.87964) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Potomac, MD
Montgomery Co.
United States 		10600 Morning Field Dr. / Sunny Brooke Ln. / Sunny Brooke Pl.
(39.07423, -77.21561) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Anderson Township, OH
Hamilton Co.
United States 		(unknown)
(39.07418, -84.34995) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Wheaton-Glenmont, MD
Montgomery Co.
United States 		Redspire Dr. / Tivoli Lake Blvd.
(39.07315, -77.03208) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Konterra, MD
Prince George's Co.
United States 		Belle Chasse Blvd. / Belle Chasse Blvd. (south)
(39.07274, -76.88060) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Fort Riley, KS
Geary Co.
United States 		Trooper Dr. / Rifle Range Rd.
(39.07167, -96.83342) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2013 Merging right-turn bypass lanes on north and west legs. Merging through bypass lane on south leg. Year Completed estimated (2012-2014).
Calverton, MD
Montgomery Co.
United States 		Fairland Rd. / Brahms Ave. / (parking)
(39.07126, -76.95403) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008
Grand Junction, CO
Mesa Co.
United States 		Grand Ave. / N 1st St. / SR 340 (Broadway) / I-70 Business Loop
(39.07031, -108.57097) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 https://www.codot.gov/news/2021/august-2021/1st-street-roundabout-project-enters-new-phase
Calverton, MD
Montgomery Co.
United States 		Fairland Rd. / Marlow Farm Terr. / Musgrove Rd.
(39.07004, -76.95264) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2008
Grand Junction, CO
Mesa Co.
United States 		Main St. / 7th St.
(39.06731, -108.56104) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.8912 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States 		Main St. / N 13th St. / S 13th St.
(39.06731, -108.55072) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 https://www.gjsentinel.com/news/western_colorado/mini-roundabout-installed-at-13th-and-main/article_bbcc8188-a4fb-11ee-bc44-b755269e8d08.html
Odenton, MD
Anne Arundel Co.
United States 		Piney Orchard Pkwy. / Roaming Ridge Way / Village Center Dr.
(39.06702, -76.71951) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Year Completed estimated (2002-2004).
Grand Junction, CO
Mesa Co.
United States 		Colorado Ave. / S. 2nd St.
(39.06636, -108.56950) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.9643 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Calverton, MD
Montgomery Co.
United States 		Fairland Rd. / Galway Dr.
(39.06594, -76.94436) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2008
Calverton, MD
Prince George's Co.
United States 		Bay Hill Dr. / Innisbrook Dr.
(39.06579, -76.92532) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Pearson, CA
Yuba Co.
United States 		Winter Rock Dr. / Night Heron St. / (unknown)
(39.06063, -121.56750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5138 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Magnolia, DE
Kent Co.
United States 		Windrow Way / Sabbe St. / Vollkom Rd.
(39.05714, -75.52061) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2011-2014).
Topeka, KS
Shawnee Co.
United States 		Wanamaker Rd. / SW 6th Ave.
(39.05662, -95.76134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.7180 		Other (At-Grade)
Single-Lane 		2004 Intersection expanded for new development. Previously T with 6th controlled by stop sign. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Monument, CO
El Paso Co.
United States 		Woodcarver Rd. / Baptist Rd.
(39.05651, -104.85853) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).