Roundabouts Database

29411 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Colorado Springs, CO
El Paso Co.
United States 		Spectrum Loop / Grey Hawk Dr.
(39.02499, -104.81383) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2011).
Centreville, MD
Queen Anne's Co.
United States 		Symphony Way / Orchestra Pl.
(39.02501, -76.06785) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
Seymour, IN
Jackson Co.
United States 		SR 11 / I-65 SB Ramps
(39.02568, -85.89067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 http://www.therepublic.com/2020/11/20/indot-to-open-state-road-11-roundabout-saturday-in-jackson-county/
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.
Highland Heights, KY
Campbell Co.
United States 		Martha Layne Collins Blvd. / Johns Hill Rd. / University Dr. / Knollwood Dr.
(39.02729, -84.46077) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6071 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Centreville, MD
Queen Anne's Co.
United States 		MD 304 (Ruthsburg Rd.) / US 301 NB Ramps
(39.02731, -76.02541) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.1124 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 https://www.calvertbeacon.com/opening-new-us-301md-304-interchange/ ICD estimated from Google Maps linework.
Seymour, IN
Jackson Co.
United States 		SR 11 / I-65 NB Ramps
(39.02779, -85.88880) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 http://www.therepublic.com/2020/11/20/indot-to-open-state-road-11-roundabout-saturday-in-jackson-county/
Centreville, MD
Queen Anne's Co.
United States 		MD 304 (Ruthsburg Rd.) / US 301 SB Ramps / Tidewater Dr.
(39.02813, -76.02920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2563 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 https://www.calvertbeacon.com/opening-new-us-301md-304-interchange/ ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		SW Indian Hills Rd. / SW 21st St.
(39.02859, -95.79811) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5340 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Odenton, MD
Anne Arundel Co.
United States 		Meyers Station Rd. / Conway Rd.
(39.02871, -76.71317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Topeka, KS
Shawnee Co.
United States 		SW 21st St. / Urish Rd.
(39.02899, -95.78088) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Completed November 2008. ICD estimated from Google Maps linework.
Shawnee, KS
Johnson Co.
United States 		W 55th St. / Hedge Lane Terr.
(39.02902, -94.85512) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5338 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Open September 2011. ICD estimated from Google Maps linework.
Shawnee, KS
Johnson Co.
United States 		W 55th St. / Johnson Dr. / K-7 Ramps
(39.02903, -94.85268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
105.7677 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2011 Open September 2011. ICD estimated from Google Maps linework.
Newport, KY
Campbell Co.
United States 		Johns Hill Rd. (KY 2345) / North Connector Rd.
(39.02910, -84.46990) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
43.6059 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Shawnee, KS
Johnson Co.
United States 		Johnson Dr. / Roberts St.
(39.02956, -94.85005) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
74.2224 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Junction City, KS
Geary Co.
United States 		K-18 / Blue Jay Way / Karns Dr.
(39.03013, -96.88229) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2022 Access to Junction City High School. https://kveng.com/news/junction-city-high-school-project-updates/
Travilah, MD
Montgomery Co.
United States 		Marwood Hill Dr. / Rivers Bend Ln.
(39.03022, -77.23432) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Colorado Springs, CO
El Paso Co.
United States 		Struthers Rd. / Gleneagle Dr. / Gleneagle Gate View
(39.03042, -104.83108) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2020 Oval shaped. ICD = 210 ft x 185 ft.
Ashburn, VA
Loudoun Co.
United States 		Julia St. / Pollen Farm Blvd. / Goose Preserve Dr.
(39.03164, -77.52979) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Topeka, KS
Shawnee Co.
United States 		Rice Rd. / I-70 EB Ramps / Cyprus Drive
(39.03190, -95.62320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.8817 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Part of a major realignment of I-70 and K-4. Cyprus Drive is One Way Eastbound (away from the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework.
Lakeport, CA
Lake Co.
United States 		Todd Rd. / Parallel Dr.
(39.03226, -122.92521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5433 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Newport, KY
Campbell Co.
United States 		Louie B Nunn Dr. / University Dr.
(39.03333, -84.45999) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.6874 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Bloomfield, IN
Greene Co.
United States 		SR 445 / I-69 NB Ramps
(39.03372, -86.68831) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
28.7595 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 Raindrop shape. ICD estimated from Google Maps linework.
Kansas City, MO
Jackson Co.
United States 		Kensington Ave. / E 50th Terr.
(39.03375, -94.53396) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7595 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Beltsville, MD
Prince George's Co.
United States 		Sellman Rd. / Woodbine Rd.
(39.03418, -76.93680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2008 Intersection relocated south of previous TWSC intersection.
Jackson, OH
Jackson Co.
United States 		McCarty Ln. / Acy Ave.
(39.03443, -82.60133) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3255 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Bloomfield, IN
Greene Co.
United States 		SR 445 / I-69 SB Ramps
(39.03444, -86.68995) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5423 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015 Raindrop shape. ICD estimated from Google Maps linework.
Potomac, MD
Montgomery Co.
United States 		Larkmeade Ln. / Bells Ridge Dr.
(39.03483, -77.16775) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Topeka, KS
Shawnee Co.
United States 		SW 17th St. / SW Urish Rd.
(39.03593, -95.78097) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
95.5527 		Other (At-Grade)
Single-Lane 		2012 Designed for ultimate two-lane Urish entries; striped as single-lane entry with right-turn-only lane. Open November 2012. ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		Rice Rd. / I-70 WB Ramps / Sycamore Dr.
(39.03610, -95.62310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5293 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework.
Independence, MO
Jackson Co.
United States 		S Ehrhart / S Eastland Center Dr. / (apartments) / (parking)
(39.03658, -94.35379) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.6860 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Independence, MO
Jackson Co.
United States 		Bass Pro Dr. / E Bluff Dr. / (parking lot)
(39.03806, -94.37174) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8300 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Highland Heights, KY
Campbell Co.
United States 		University Dr. / Sunset Dr. / 3 Mile Rd. / North Connector Rd.
(39.04023, -84.46455) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.5267 		Other (At-Grade)
Unknown 		2017 ICD estimated from Google Maps linework.
Lake Frederick, VA
Frederick Co.
United States 		Lake Frederick Dr. / Rachel Carson Dr.
(39.04044, -78.15310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.4673 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Mount Orab, OH
Brown Co.
United States 		N High St. / SR 32 EB Ramps
(39.04104, -83.92064) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2022 Raindrop shaped.
Topeka, KS
Shawnee Co.
United States 		SW Huntoon St. / SW Urish Rd.
(39.04338, -95.78022) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2017 Right-turn-only lane on south leg.
Fort Riley, KS
Geary Co.
United States 		Henry Dr. / Marshall Rd.
(39.04386, -96.77208) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Turbo roundabout. Merging right-turn bypass lane on south leg. Year Completed estimated (2020-2022)
Potomac, MD
Montgomery Co.
United States 		Broad Green Dr. / Clagett Farm Dr.
(39.04566, -77.19669) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Fort Riley, KS
Geary Co.
United States 		Henry Dr. / Ray Rd.
(39.05017, -96.77554) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2018 Through bypass lane on north leg. Merging right-turn bypass lane on south and east legs. Year Completed estimated (2014-2019).
Odenton, MD
Anne Arundel Co.
United States 		Strawberry Lake Way / Field Farm Way / Found Artifact Ct.
(39.05052, -76.70858) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Oval shaped. Mix of stop and yield control.
Odenton, MD
Anne Arundel Co.
United States 		Piney Station Way / Black Oak Way / Barred Owl Way
(39.05532, -76.70351) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Pearson, CA
Yuba Co.
United States 		Winter Rock Dr. / Empress St. / (unknown)
(39.05637, -121.56950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.3714 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 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).
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.
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).
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.
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.
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
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.
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 		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
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.
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 		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. / 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
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).
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.
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.
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.
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
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.
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.
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. / 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.
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.
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. (north)
(39.07820, -76.87960) 		Other
Existing 		Unknown
Unknown 		3 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
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.
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
(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.
(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).
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.
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
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.
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.
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).
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.
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.
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
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).
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.
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.
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
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.
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
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).
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
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
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.