28735 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
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.
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.
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
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.
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.
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 Co.
United States
Canterbury Rd. / W 39th St.
(39.33569, -76.62047)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
16.6275
Other (At-Grade)
Single-lane w/ Traversable Central Island
2013 ICD estimated from Google Maps linework.
Elkridge, MD
Howard Co.
United States
Elkridge Crossing Way / Doctor Patel Dr.
(39.21091, -76.72512)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.4634
Other (At-Grade)
Single-Lane
2007 East leg stubbed for future. ICD estimated from Google Maps linework.
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.
Owings Mills, MD
Baltimore Co.
United States
Tollgate Rd. / Lastgage Rd.
(39.42149, -76.78482)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.6010
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Sykesville, MD
Carroll Co.
United States
Smithfield Ave. / Warfield Ave.
(39.37673, -76.96410)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.0835
Other (At-Grade)
Multilane (2 Lane, unspecified)
2007 Elliptical shape. ICD estimated from Google Maps linework.
Bowie, MD
Prince George's Co.
United States
Melford Blvd. / Science Dr.
(38.96089, -76.71320)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.6480
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 Concentric striping in circulatory roadway. ICD estimated from Google Maps linework.
Bowie, MD
Prince George's Co.
United States
Melford Blvd. / Curie Dr.
(38.95842, -76.70683)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
78.9406
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States
Merchants Blvd. / Wegmans Blvd.
(39.46815, -76.30901)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.5039
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Laurel, MD
Howard Co.
United States
Whiskey Bottom Rd. / All Saints Rd.
(39.12478, -76.84257)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.9428
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Laurel, MD
Howard Co.
United States
Stephens Rd. / Whiskey Bottom Rd.
(39.12704, -76.84608)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.6480
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Gambrills, MD
Anne Arundel Co.
United States
2498 Mt Tabor Rd
(38.99855, -76.66414)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.2765
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Greenbelt, MD
Prince George's Co.
United States
Cherrywood Ln. / Greenbelt Metro Dr.
(39.00985, -76.90330)
Roundabout
Existing
All-Way Yield
Other
3 Approaches
0 Driveways
24.1290
Other (At-Grade)
Single-Lane
2012 Raised crosswalks. ICD estimated from Google Maps linework.
Havre de Grace, MD
Harford Co.
United States
Chapel Rd. / Bulle Rock Pkwy.
(39.55465, -76.12813)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.9922
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Havre de Grace, MD
Harford Co.
United States
Blenheim Farm Ln. / Bounding Home Ct.
(39.54665, -76.13521)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.3915
Other (At-Grade)
Single-Lane
2006 Painted splitter islands on north and south legs, no splitter islands on east and west legs. ICD estimated from Google Maps linework.
North East, MD
Cecil Co.
United States
Charlestown Crossing Blvd. / Claiborne Rd.
(39.59472, -75.97957)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.6095
Other (At-Grade)
Single-Lane
2011 ICD estimated from Google Maps linework.
Dundalk, MD
Baltimore Co.
United States
Dundalk Ave. / Sollers Point Rd.
(39.24534, -76.50786)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.9734
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
North East, MD
Cecil Co.
United States
Seahawk Dr. / (parking lot)
(39.64098, -75.95714)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
28.5107
Other (At-Grade)
Single-Lane
2000 Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Hampstead, MD
Carroll Co.
United States
MD 30 (Hampstead Bypass) / Business MD 30 (Hanover Pike)
(39.58178, -76.84261)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
56.1498
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Hampstead, MD
Carroll Co.
United States
MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.)
(39.61108, -76.86457)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3657
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 ICD estimated from Google Maps linework.
Hampstead, MD
Carroll Co.
United States
MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike)
(39.63466, -76.86675)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
49.6684
Other (At-Grade)
Multilane (2 Lane, unspecified)
2009 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.
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.
Queenstown, MD
Queen Anne's Co.
United States
Nesbit Rd. / Shoreway Dr.
(38.96600, -76.18291)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
2011 Fourth leg stubbed.
Cumberland, MD
Allegany Co.
United States
US 220 / I-68 EB Ramps
(39.64367, -78.79099)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.0276
Freeway Ramps (Grade-Separated)
Single-Lane
2012 Built to facilitate U-turns. Teardrop shape. ICD estimated from Google Maps linework.
Chestertown, MD
Kent Co.
United States
MD 20 / MD 291 / (parking lot)
(39.21863, -76.07913)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.1899
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Oxon Hill, MD
Prince George's Co.
United States
Oxon Hill Rd. / (parking lots)
(38.79166, -77.00416)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.0650
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Oxon Hill, MD
Prince George's Co.
United States
Oxen Hill Rd. / Cedar Ridge Dr. / Panorama Dr.
(38.78452, -77.00597)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.4465
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Fort Washington, MD
Prince George's Co.
United States
Oxon Hill Rd. / Kerby Hill Rd.
(38.77951, -77.00648)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.4490
Other (At-Grade)
Single-Lane
2015 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States
National Business Pkwy. / Brock Bridge Rd.
(39.14025, -76.76395)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.4636
Other (At-Grade)
Multilane (2 Lane, unspecified)
2013 ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Watts Ave. / Clark Rd.
(39.15138, -76.72638)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
25.9330
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Hanover, MD
Anne Arundel Co.
United States
Ridge Rd. / Corporate Center Dr.
(39.19204, -76.70216)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
31.4719
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States
UMBC Blvd. / Research Park Dr.
(39.24874, -76.71580)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.3950
Other (At-Grade)
Single-Lane
2015 Elliptical shape. ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States
Hilltop Cir. / UMBC Blvd.
(39.25178, -76.71442)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.1156
Other (At-Grade)
Multilane (2 Lane, unspecified)
2015 Lane changes needed for some through movements. ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States
Tollgate Rd. / Macphail Rd.
(39.51959, -76.35208)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
19.8120
Other (At-Grade)
Single-lane w/ Traversable Central Island
2012
Friendship, MD
Anne Arundel Co.
United States
Solomons Island Rd. (MD 2) / Friendship Rd. (MD 261) / Sansbury Rd.
(38.73656, -76.59379)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.0594
Other (At-Grade)
Single-Lane
2008 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.
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.
Ellicott City, MD
Howard Co.
United States
College Ave. / Bending Sky Way
(39.25754, -76.79122)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
26.8186
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Philadelphia Rd. (MD 7) / Ashford Dr.. / Panell Dr.
(39.48593, -76.23873)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.4792
Other (At-Grade)
Single-Lane
2012 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Tralee Cir. / Ashford Dr.
(39.48395, -76.23831)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.8100
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Burnt Hill Trl. / Atlas Cedar Way / Thistle Hill Dr.
(39.49324, -76.22236)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.1799
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Burnt HIll Trl. / Witch Hazel Way / Limestone Ct.
(39.49486, -76.22046)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.1791
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Thistle Hill Dr. / Witchhazel Way
(39.49563, -76.22415)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.3355
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States
Burnt Hill Trl. / Holly Oak Cir. / Woods Line Dr.
(39.49605, -76.21740)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8055
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
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
Perry Hall, MD
Baltimore Co.
United States
E Joppa Rd. / Scott Moore Way / Cowenton Ave.
(39.40290, -76.44124)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
Single-Lane
2008 Right-turn bypass lane on west leg.
Hagerstown, MD
Washington Co.
United States
Hagers Crossing Dr. / Bartow Dr. / Sedgwick Way
(39.65981, -77.75932)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2003 Year Completed estimated (1999-2005).
Robinwood, MD
Washington Co.
United States
Yale Dr. / Medical Campus Rd. / Caring Pathway Ln.
(39.62594, -77.68707)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2016 Right-turn bypass lane on southwest leg.
Linganore, MD
Frederick Co.
United States
Boyers Mill Rd. / Eaglehead Dr.
(39.41912, -77.30650)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2018
Ballenger Creek, MD
Frederick Co.
United States
Jefferson Technology Pkwy. / Jefferson Station Blvd.
(39.39223, -77.45291)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Year Completed estimated (2013-2015).
Ballenger Creek, MD
Frederick Co.
United States
Holiday Dr. / Spectrum Dr.
(39.38178, -77.40206)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Multilane (2 Lane, unspecified)
2008 Left turn lane trap in circulatory roadway.
Bel Air North, MD
Harford Co.
United States
Red Pump Rd. / Yankee Doodle Dr.
(39.54551, -76.37994)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2010
Bel Air South, MD
Harford Co.
United States
Woodsdale Rd. / Box Hill Corporate Center Dr. / (parking)
(39.46498, -76.31016)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
2014 Year Completed estimated (2013-2015).
Chester, MD
Queen Anne's Co.
United States
Castle Marina Rd. / Bayberry Dr.
(38.98086, -76.28905)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2019 Year Completed estimated (2018-2019).
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).
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
Hanover, MD
Anne Arundel Co.
United States
Parkside Blvd. / Fredericksburg Rd. / Cornfield Ave.
(39.13140, -76.75125)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2015
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).
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).
Severn, MD
Anne Arundel Co.
United States
Milestone Pkwy. / (unknown)
(39.14341, -76.75076)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 Year Completed estimated (2011-2014).
Severn, MD
Anne Arundel Co.
United States
Milestone Pkwy. / Clubhouse Dr.
(39.14600, -76.74775)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012 Year Completed estimated (2011-2014).
Severn, MD
Anne Arundel Co.
United States
Milestone Pkwy. / Split Creek Ln. / (parking)
(39.15042, -76.74668)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, unspecified)
2007
Darnestown, MD
Montgomery Co.
United States
Schaeffer Rd. / Germantown Park Dr. / Central Park Cir.
(39.15003, -77.30152)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
2004 Right-turn-only lane on northeast leg. Year Completed estimated (2002-2005).
Jessup, MD
Anne Arundel Co.
United States
Montevideo Rd. / Forest Ave. / Wigley Ave.
(39.15966, -76.75916)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2007 Year Completed estimated (2006-2007).
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
Clarksville, MD
Howard Co.
United States
Linden Church Rd. / MD 32 NB Ramps
(39.22942, -76.97263)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.6240
Freeway Ramps (Grade-Separated)
Single-Lane
2013 Year Completed estimated (2011-2014).
Clarksville, MD
Howard Co.
United States
Highland Rd. / Triadelphia Mill Rd.
(39.21551, -76.97698)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2008
West Friendship, MD
Howard Co.
United States
Castlebridge Rd. / Hunter's View Rd.
(39.24552, -76.90189)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
42.6720
Other (At-Grade)
Single-Lane
2006
West Friendship, MD
Howard Co.
United States
Folly Quarter Rd. / Sheppard Ln. / Homewood Rd.
(39.24979, -76.93188)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.5280
Other (At-Grade)
Single-Lane
2004 Year Completed estimated (2002-2005).
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).
Cooksville, MD
Howard Co.
United States
Long Corner Rd. / Penn Shop Rd.
(39.33938, -77.15284)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2005 Year Completed estimated (1988-2005).
Camp Springs, MD
Prince George's Co.
United States
Capital Gateway Dr. / Auth Rd. / Old Soper Rd.
(38.82403, -76.91189)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Unstriped circulatory roadway. Year Completed estimated (1995-2001).
College Park, MD
Prince George's Co.
United States
Campus Dr. / Mowatt Ln. / Valley Dr. (Alumni Dr.)
(38.98482, -76.94890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0037
Other (At-Grade)
Single-Lane
2004 Striped splitter island on north and east legs. Year Completed estimated (2002-2005).
Parole, MD
Anne Arundel Co.
United States
Housley Rd. / Gateway Village Dr. / Annapolis Ridge Rd.
(38.98793, -76.55715)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 Right-turn-only lanes on north and south legs. Year Completed estimated (1998-2002). Converted from unstriped two-lane roundabout in 2008-2009.
Summerfield, MD
Prince George's Co.
United States
Saint Josephs Dr. / Grove Hurst Ln.
(38.91969, -76.84060)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, unspecified)
2012
Summerfield, MD
Prince George's Co.
United States
Ruby Lockhart Blvd. / Taj Ln.
(38.92163, -76.84438)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011
Glenarden, MD
Prince George's Co.
United States
Ruby Lockhart Blvd. / Campus Way
(38.92345, -76.84696)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011
Glenarden, MD
Prince George's Co.
United States
Ruby Lockhart Blvd. / Evarts St. / Sir Michael Pl.
(38.92506, -76.84953)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011 Double left-turn and double right-turn movements.
Summerfield, MD
Prince George's Co.
United States
Campus Way / Geaton Park Pl.
(38.92577, -76.84451)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011
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.
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
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
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
Salisbury, MD
Wicomico Co.
United States
Camden Ave. / Riverside Dr. / Mill St. / W Carroll St.
(38.36401, -75.60403)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
2020 One leg is a one-way street away from roundabout. http://www.wboc.com/clip/15110757/roundabout-on-riverside-drive-open-to-traffic
Hagerstown, MD
Washington Co.
United States
Terps Blvd. / Hoosier Ct. / Nittany Lion Cir.
(39.67069, -77.73987)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Single-Lane
2010 Year Completed estimated (2009-2011).
Bel Air North, MD
Harford Co.
United States
Water Tower Way / Bynum Rd.
(39.56671, -76.35712)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Single-Lane
2019 http://harfordcountymd.gov/ArchiveCenter/ViewFile/Item/1683
Hagerstown, MD
Washington Co.
United States
Robinwood Dr. / Academic Blvd. / Youngstoun Dr.
(39.62804, -77.66541)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
2015 https://www.heraldmailmedia.com/news/local/robinwood-drive-to-reopen-next-month-but-roundabout-questioned/article_95edc272-8319-5f1a-a05d-cfb62ada2f8f.html
California, MD
St. Mary's Co.
United States
Amber Dr. (FDR Blvd.) / Athlone Dr. / Meath Rd.
(38.28865, -76.49920)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2013-2019).
California, MD
St. Mary's Co.
United States
FDR Blvd. / Kinnegad Dr. / Castletown Way
(38.28887, -76.50263)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2016 Year Completed estimated (2013-2019).
California, MD
St. Mary's Co.
United States
FDR Blvd. / Old Rolling Rd.
(38.29057, -76.51176)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2018 Year Completed estimated (2015-2020).
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
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.