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
Urbana, MD
Frederick Co.
United States 		Bush Creek Dr. / Major Smith Ln.
(39.33507, -77.35263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6364 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Sugarloaf Pkwy. / Denison St.
(39.33490, -77.34180) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
36.9503 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		MD 17 / Rosemont Drive / Dutchmans Creek
(39.33480, -77.63671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.4167 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / Stockrest Spring Rd.
(39.33476, -120.17472) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Unknown 		2019
Harpers Ferry, WV
Jefferson Co.
United States 		Gap View Blvd. / Gap View Blvd.
(39.33462, -77.80635) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Urbana, MD
Frederick Co.
United States 		Hartwick Ln. / Singleton Terrace
(39.33399, -77.33970) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Mason, OH
Warren Co.
United States 		Freedom Way / Veterans Pkwy.
(39.33363, -84.30647) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1035 		Other (At-Grade)
Single-Lane 		2015 Third leg of intersection not connected yet ICD estimated from Google Maps linework.
Bowling Green, MO
Pike Co.
United States 		US 61 Business / MO 161 / Court St
(39.33344, -91.19504) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 https://www.modot.org/roundabout-bowling-green
Urbana, MD
Frederick Co.
United States 		Stone Barn Dr. / Longleaf Dr.
(39.33278, -77.36713) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Bowling Green, MO
Pike Co.
United States 		US 61 Business / Sharry St. / Town Center Dr. / (unknown)
(39.33272, -91.18290) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.2748 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		Potomac View Parkway / Dutchmans Creek
(39.33265, -77.63770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.3326 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		MD 17 / Volunteer Drive
(39.33261, -77.63365) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.9516 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 ICD estimated from Google Maps linework.
Athens, OH
Athens Co.
United States 		E Stimson Ave. / N McKinley Ave.
(39.33185, -82.08920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.4092 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Platte City, MO
Platte Co.
United States 		MO 92 / MO 45 Spur
(39.33177, -94.89577) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2021-2022).
Brunswick, MD
Frederick Co.
United States 		Potomac View Parkway / Volunteer Drive
(39.33145, -77.63483) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.1808 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Rende, Calabria
Cosenza
Italy 		Via Francesco e Carolina Principe / Via Giosue Carducci
(39.33136, 16.24920) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
West Chester Township, OH
Butler Co.
United States 		Lakota Dr. W / Eagle Ridge Dr. / Eagle Ridge Ct.
(39.33111, -84.42783) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5619 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 355 / Sprigg St.
(39.33070, -77.35654) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.4954 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Harpers Ferry, WV
Jefferson Co.
United States 		Gap View Blvd. / Gap View Cir.
(39.33013, -77.80121) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / Church St. / Truckee Way
(39.32943, -120.18218) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
Athens, OH
Athens Co.
United States 		W Union St. / Smith St. / (parking lot)
(39.32941, -82.10731) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.1719 		Other (At-Grade)
Single-Lane 		2014 Small roundabout, primarily to assist with clarifying driveway locations and where peds should cross. Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Athens, OH
Athens Co.
United States 		E Stimson Ave. / US 33 Ramps / US 50 Ramps
(39.32934, -82.08530) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 The roundabout collects and distributes traffic from multiple ramps in the US 33/US 50/Stimson Avenue interchange. https://www.transportation.ohio.gov/projects/projects/106553
Rende, Calabria
Cosenza
Italy 		Via Tevere
(39.32906, 16.24944) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Urbana, MD
Frederick Co.
United States 		MD 355 / Sugarloaf Pkwy.
(39.32862, -77.35193) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8013 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Platte City, MO
Platte Co.
United States 		N Apple Blossom Dr. / NW Seven Bridges Rd / (parking)
(39.32728, -94.78581) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006 Small splitter island far away from circulatory roadway on west leg.
Baltimore, MD
Baltimore City Co.
United States 		Guilford Ave. / E 32nd St.
(39.32703, -76.61345) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012
West Chester Township, OH
Butler Co.
United States 		Centre Pointe Dr. / West Chester Township Centre Dr.
(39.32694, -84.43063) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.8784 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Fairfield, OH
Butler Co.
United States 		River Rd. / Gray Rd.
(39.32691, -84.59580) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 https://www.fairfield-city.org/839/River-and-Gray-Roundabout
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / W. River St. / McIver Crossing
(39.32510, -120.19200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1077 		Other (At-Grade)
Single-Lane 		1998 Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		MD 80 / Sugarloaf Pkwy. / Bennett Creek Blvd.
(39.32467, -77.34974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.6619 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 Rural ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Hwy 89 / I-80 WB Ramps
(39.32386, -120.20760) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.6518 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Donner Pass Rd. / Cold Stream Rd. / I-80 EB Ramps
(39.32359, -120.22747) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2021
Essex, MD
Baltimore Co.
United States 		Brett Ct.
(39.32297, -76.44461) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States 		Fingerboard Rd. (MD 80) / I-270 SB Ramps
(39.32289, -77.35845) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.1198 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Maineville, OH
Warren Co.
United States 		Village Green Pkwy. / Crystal Cove Pt.
(39.32280, -84.19846) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Urbana, MD
Frederick Co.
United States 		Bennett Creek Ave. / Bennett Creek Blvd.
(39.32256, -77.34935) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.8808 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Hwy 89 / I-80 EB Ramps
(39.32243, -120.20770) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.4354 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States 		Bennett Creek Ave. / Bennett Creek Rd.
(39.32223, -77.35181) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.2613 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Maineville, OH
Warren Co.
United States 		Village Green Pkwy. / Dew Drop Cir. / Turtle Hollow / Cypress Ln. / Acorn Ln. / Wild Turkey Walk
(39.32187, -84.20385) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Maineville, OH
Warren Co.
United States 		Village Green Pkwy. / Sandstone Trl. / Wilderness Way / Crystal Lake Ln.
(39.32180, -84.20145) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Mason, OH
Warren Co.
United States 		Socialville-Foster Rd. / Innovation Way
(39.32155, -84.29039) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.3489 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Cold Creek Cir. / Summer Camp Way
(39.32143, -120.22793) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Truckee, CA
Nevada Co.
United States 		Brockway Rd. / Martis Valley Rd.
(39.32135, -120.16269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006
Ranson, WV
Jefferson Co.
United States 		Dupont Circle (Joshua M Freeman Blvd. / Wallace Way)
(39.32132, -77.85274) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.4788 		Other (At-Grade)
Single-Lane 		2008 Painted splitter islands. Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Oak Lee Dr. / (unknown)
(39.32089, -77.84637) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.1972 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Two legs stubbed. Year Completed estimated (2003-2007). ICD estimated from Google Maps linework.
Truckee, CA
Nevada Co.
United States 		Soaring Way / Joerger Dr.
(39.32058, -120.15540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
Ranson, WV
Jefferson Co.
United States 		Brickyard Circle (Baker Pl. / Wallace Way)
(39.32036, -77.85489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8059 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Two approaches stubbed. ICD estimated from Google Maps linework.
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr. / Wildlife Dr.
(39.31993, -76.75019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.7833 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Cosenza, Calabria
Cosenza
Italy 		Via Panebianco / SP90
(39.31954, 16.24526) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Athens, OH
Athens Co.
United States 		Richland Ave. / SR 682 (S Plains Rd.)
(39.31917, -82.10550) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8826 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 ICD estimated from Google Maps linework.
Cosenza, Calabria
Cosenza
Italy 		(SP90 connector) / (Viale Giovanni Formoso connector) / Via Guglielmo Marconi Ramps / Via Veterani dello Sport
(39.31911, 16.24349) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
West Chester Township, OH
Butler Co.
United States 		Circle Dr. / Roberts Way
(39.31882, -84.42234) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
32.3390 		Other (At-Grade)
Single-Lane 		2004 Stop control on two legs; yield vontrol on two legs. No splitter islands on three legs. Pedestrian access to central island. ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Winan Ave. (N Lisbon Ave.) / N Cairo Dr. (N Cairo St.)
(39.31865, -94.70078) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Concentric striped circulatory roadway.
West Chester, OH
Butler Co.
United States 		Butler Warren Rd. / W Chester Rd. / Socialville Foster Rd.
(39.31865, -84.35122) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021
Ranson, WV
Jefferson Co.
United States 		Fairfax Circle (Fairfax Blvd. / Baker Pl. / Joshua M Freeman Blvd.)
(39.31842, -77.85264) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
130.2806 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Fifth leg stubbed. Oval shape with pond in center island. Year Completed estimated (2003-2007). ICD estimated from Google Maps linework.
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct.
(39.31750, -76.75152) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.5558 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Winan Ave. (N Lisbon Ave.) / N Beijing St.
(39.31653, -94.70064) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Concentric striped circulatory roadway.
Baltimore, MD
Baltimore City Co.
United States 		Guilford Ave. / E 24th St.
(39.31650, -76.61276) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
9.2400 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012 ICD estimated from Google Maps linework.
West Chester Township, OH
Butler Co.
United States 		Civic Centre Blvd. / Water Front Dr. / Bass Pro Dr.
(39.31600, -84.42671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.5044 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Fairfield, OH
Butler Co.
United States 		Seward Rd. / Essex Orchard Station Dr.
(39.31580, -84.49502) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
22.1763 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Harpers Ferry, WV
Jefferson Co.
United States 		Koonce Road / Private Road
(39.31484, -77.78628) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.1129 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Fairfield, OH
Butler Co.
United States 		Seward Rd. / Kohn Dr.
(39.31476, -84.49520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.3285 		Other (At-Grade)
Single-Lane 		1997 Little deflection for northbound through movement. Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Winan Ave. (N Lisbon Ave.) / Amman Dr. (Amman St.)
(39.31473, -94.69981) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Concentric striped circulatory roadway. Year Completed estimated (2009-2010).
Baltimore, MD
Baltimore City Co.
United States 		Guilford Ave. / 22nd St.
(39.31441, -76.61263) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
6.4682 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States 		MD 17 / A St. / B St. / Maryland Ave.
(39.31433, -77.62807) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
42.5054 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Deerfield Township, OH
Warren Co.
United States 		Innovation Way / Duke Blvd.
(39.31380, -84.29873) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.7461 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Cosenza, Calabria
Cosenza
Italy 		Via Guglielmo Marconi / Via Giuseppe Tommasi / Via Madre Venerabile Elena Aiello
(39.31289, 16.24451) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Marriottsville, MD
Howard Co.
United States 		Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd.
(39.31018, -76.93043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002).
Ranson, WV
Jefferson Co.
United States 		N Fairfax Blvd. / E 13th Ave.
(39.30680, -77.85569) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2019 Peanut shaped. ICD = 180 ft on each end; 530 ft long. Year Completed estimated (2017-2020). This condition is locally known as the "Peanut" and constructed within the historic plat of the city where an oval park was visioned. The peanut shape will support additional approaches as further development occurs. https://www.cityofransonwv.net/149/Fairfax-Boulevard https://www.cityofransonwv.net/DocumentCenter/View/1219/Fairfax-Blvd-Extension---Engineering-Peanut?bidId=
Cosenza, Calabria
Cosenza
Italy 		Piazza Europa
(39.30677, 16.24771) 		Other
Unknown 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian access to central island; parking along circulatory roadway.
Adamstown, MD
Frederick Co.
United States 		Mountville Rd. / Adams Common Dr.
(39.30643, -77.47158) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.6482 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Mountain Laurel Blvd. / Watercourse Dr.
(39.30585, -77.83853) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.3450 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2003-2007). ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Flowing Springs Rd. / E 5th Ave.
(39.30291, -77.84482) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
49.9058 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		Rogers Ave / Old Frederick Road
(39.29904, -76.81308) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
26.8026 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework. Old Frederick Road is MD 985A but roundabout may be locally maintained and not state maintained
Essex, MD
Baltimore Co.
United States 		Southeast Blvd. (MD 702) / Hyde Park Rd.
(39.29884, -76.43951) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6663 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Built as temporary installation, then converted to permanent design. ICD estimated from Google Maps linework.
Baltimore, MD
Baltimore City
United States 		Washington Pl. / Mount Vernon Pl.
(39.29756, -76.61568) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Ranson, WV
Jefferson Co.
United States 		Lancaster Circle (S Fairfax Blvd. / S Mildred St. / W 4th Ave.)
(39.29523, -77.86039) 		Other
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
52.6841 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. ICD estimated from Google Maps linework.
Baltimore, MD
Baltimore City
United States 		New Hope Circle
(39.29360, -76.60289) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. Parking along circulatory roadway.
Baltimore, MD
Baltimore City Co.
United States 		Old Frederick Road / Maple Wood Road
(39.29094, -76.69283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8815 		Other (At-Grade)
Single-Lane 		2013 4th leg not built yet - for future development ICD estimated from Google Maps linework.
Glenelg, MD
Howard Co.
United States 		Pfefferkorn Rd. / Fox Stream Way / Old Rover Rd.
(39.29067, -76.99226) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Deerfield Township, OH
Warren Co.
United States 		Fields Ertel Rd. / N Lebanon Rd. / Columbia Rd.
(39.28999, -84.28242) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.6549 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		N Shoal Creek Pkwy. / Maplewoods Pkwy.
(39.28995, -94.55702) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2021 Merging right-turn bypass lane lane on west leg. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2
Kansas City, MO
Clay Co.
United States 		NW 108th St. / N Summit St.
(39.28953, -94.58976) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6717 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Series of three roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		NW 108th St. / US 169 NB Ramps
(39.28944, -94.58446) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.5961 		Unknown
Multilane (2 Lane, unspecified) 		2013 Diamond interchange replaced signalized intersection. Series of three roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		NW 108th St. / US 169 SB Ramps
(39.28944, -94.58625) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
43.4449 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Diamond interchange replaced signalized intersection. Series of three roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Platte Purchase Dr. / NW 108th St.
(39.28944, -94.60190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Truckee, CA
Placer Co.
United States 		Northstar Dr. / Ridgeline Dr.
(39.28647, -120.10701) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6735 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Point of Rocks, MD
Frederick Co.
United States 		US 15 / Point of Rocks Rd.
(39.28643, -77.53096) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.1443 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		Lancelot Cross / Butterfruit Way / Argent Path / Stardust Ln.
(39.28522, -76.90384) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002).
Kansas City, MO
Clay Co.
United States 		N Maplewoods Pkwy. / NE 106th St. / NE Staley Ferris Dr.
(39.28508, -94.55712) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2021 Peanut shaped. Replaced two offset T-intersections. https://www.kcmo.gov/Home/Components/FacilityDirectory/FacilityDirectory/139/360?npage=2
Baltimore, MD
Baltimore City Co.
United States 		Wilkens Ave / Mount St / Ramsey St
(39.28325, -76.64332) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
31.4310 		Other (At-Grade)
Single-Lane 		2001 Completed prior to 2002 ICD estimated from Google Maps linework.
Baltimore, MD
Baltimore City
United States 		S President St. / Aliceanna St.
(39.28317, -76.60158) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Laddonia, MO
Audrain Co.
United States 		US 54 / MO 19 / CR J
(39.28073, -91.64373) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2022 https://www.modot.org/node/27038
Ellicott City, MD
Howard Co.
United States 		Coventry Court Dr.
(39.27862, -76.87340) 		Other
Existing 		Unknown
Unknown 		2 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Unknown
Smyrna, DE
Kent Co.
United States 		Newgate Circle
(39.27813, -75.61345) 		Other
Existing 		Unknown
Unknown 		4 Approaches
10 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Glenwood, MD
Howard Co.
United States 		Burntwoods Rd. / Sharp Rd.
(39.27702, -77.00369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5847 		Other (At-Grade)
Single-Lane 		2006 Adjacent to Glenelg High School. ICD estimated from Google Maps linework.
Glenelg, MD
Howard Co.
United States 		Ten Oaks Rd. / Pfefferkorn Rd. / MD 32 SB Ramps
(39.27615, -76.98641) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.3587 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		Edmundson Avenue / Old Frederick Road
(39.27533, -76.76612) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.3400 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Charles Town, WV
Jefferson Co.
United States 		St George St. / Citizens Way / US 340 SB Ramps
(39.27528, -77.84935) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.5100 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Year Completed estimated (2015-2019). ICD estimated from Google Maps linework.
Smyrna, DE
Kent Co.
United States 		Ormonde Circle
(39.27525, -75.61641) 		Other
Existing 		Unknown
Unknown 		3 Approaches
13 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.