Roundabouts Database

29616 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Saint Charles, MD
Charles Co.
United States 		Lexington Dr. / Montpelier Dr.
(38.64225, -76.96877) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States 		George Hilleary Terrace
(38.84772, -76.74269) 		Other
Existing 		Unknown
Unknown 		2 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Upper Marlboro, MD
Prince George's Co.
United States 		Symondsbury Way / Galeshead Dr.
(38.85587, -76.73628) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Upper Marlboro, MD
Prince George's Co.
United States 		Nancy Gibbons Terrace
(38.85592, -76.74356) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Davidsonville Historic District, MD
Prince George's Co.
United States 		Science Dr. / Curie Dr.
(38.96399, -76.70897) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Davidsonville Historic District, MD
Prince George's Co.
United States 		Science Dr. / (parking)
(38.96068, -76.71428) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Bethesda, MD
Montgomery Co.
United States 		Boxwood Rd. / Spangler Ave.
(38.94781, -77.10888) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Bethesda, MD
Montgomery Co.
United States 		Tournay Rd. / Spangler Ave.
(38.94811, -77.11053) 		Other
Existing 		Unknown
Unknown 		3 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).
Germantown, MD
Montgomery Co.
United States 		Crossview Rd. / Autumn Crest Rd.
(39.16717, -77.30075) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Crestmount Rd. / Kings Crossing Rd.
(39.16175, -77.30841) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Kings Crossing Blvd. / Cornflower Rd.
(39.16222, -77.30397) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Kings Crossing Blvd. / Ashmeade Rd.
(39.16235, -77.29971) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		Painted splitter islands. Pedestrian crossings next to circulatory roadway.
Germantown, MD
Montgomery Co.
United States 		Ashleigh Greene Rd. / Ashmeade Rd.
(39.16013, -77.29900) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Ashleigh Greene Rd. / Cornflower Rd.
(39.15879, -77.30324) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Wonderland Way / Chalet Dr.
(39.15516, -77.27464) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Pasadena, MD
Anne Arundel Co.
United States 		Creekside Village Blvd. / Oak Creek Dr.
(39.16938, -76.57165) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter island on southeast leg.
Annapolis, MD
Anne Arundel Co.
United States 		Church Circle
(38.97848, -76.49269) 		Other
Existing 		Unknown
Unknown 		7 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (3+ Lane)
Annapolis, MD
Anne Arundel Co.
United States 		Main St. / Randall St.
(38.97746, -76.48722) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Annapolis, MD
Anne Arundel Co.
United States 		King George St. / Turner Joy Rd. / Brownson Rd.
(38.97776, -76.48280) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		On campus of US Naval Academy.
Parole, MD
Anne Arundel Co.
United States 		Riva Trace Pkwy. / Winters Chase Way
(38.96098, -76.56114) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Flintstone, MD
Allegany Co.
United States 		Lake Shore Dr. / (parking)
(39.69941, -78.65115) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Unknown
Unknown
Villages of Winterset, MD
Baltimore Co.
United States 		Runnymeade Rd. / New Town Blvd. / Bon Haven Ln.
(39.39893, -76.81700) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Owings Mills, MD
Baltimore Co.
United States 		New Town Blvd. / Rangeford Dr.
(39.40957, -76.80654) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Abingdon, MD
Harford Co.
United States 		Four Seasons Dr. / Raking Leaf Dr. / Raking Leaf Dr. / Indian Summer Ct.
(39.45387, -76.28951) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2006 Painted splitter islands. Pedestrian crossings at entrance lines. Year Completed estimated (2005-2007).
Aiken's Tavern Historic District, MD
Cecil Co.
United States 		Thomas Jefferson Terrace / Patriots Way
(39.61821, -75.80337) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Aiken's Tavern Historic District, MD
Cecil Co.
United States 		Park Pl.
(39.61573, -75.83392) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Solomons, MD
Calvert Co.
United States 		Farren Ave. / Charles St.
(38.31939, -76.45267) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2008 Painted splitter islands. Year Completed estimated (2007-2009).
Westminster, MD
Carroll Co.
United States 		(Carroll Community College entrance) / (parking)
(39.53096, -76.99236) 		Other
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Linganore, MD
Frederick Co.
United States 		Finn Dr. / Douglas Ave. / Huckleberry Way
(39.40210, -77.29509) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. No splitter islands.
Wormans Mill, MD
Frederick Co.
United States 		Palatine Dr. / Island Grove Blvd.
(39.46038, -77.38314) 		Other
Existing 		Unknown
Unknown 		3 Approaches
3 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. No splitter islands.
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
Ellicott City, MD
Howard Co.
United States 		Academy Rd. / Hillsborough Rd. / Chews Vineyard
(39.24993, -76.78913) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Columbia, MD
Howard Co.
United States 		Vantage Point Rd.
(39.22074, -76.85392) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Columbia, MD
Howard Co.
United States 		Charter Dr. / (parking)
(39.21273, -76.88310) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2013 Converted from cul-de-sac. Year Completed estimated (2011-2014).
Bel Air, MD
Harford Co.
United States 		English Manor Ln. / Squire Ln. / Canterbury Rd.
(39.52643, -76.36371) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
College Park, MD
Prince George's Co.
United States 		Stadium Dr. / Alumni Dr.
(38.99151, -76.94948) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
College Park, MD
Prince George's Co.
United States 		Fieldhouse Dr. / Presidential Dr.
(38.98872, -76.95237) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Greenbelt, MD
Prince George's Co.
United States 		Golden Triangle Dr. / (parking)
(38.99762, -76.89644) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Frederick, MD
Frederick Co.
United States 		Greenleese Circle
(39.44847, -77.37242) 		Other
Existing 		Unknown
Unknown 		2 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States 		Synergy Way / Progress Dr.
(39.43796, -77.36660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2008
Frederick, MD
Frederick Co.
United States 		Synergy Way
(39.43898, -77.36665) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Middletown, MD
Frederick Co.
United States 		Smithfield Dr. / Layla Dr. / Hoffman Dr.
(39.44814, -77.52097) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Bel Air, MD
Harford Co.
United States 		Old Joppa Ct. / Hoskins Terrace
(39.51380, -76.37506) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2014-2017).
Pikesville, MD
Baltimore Co.
United States 		Travertine Dr.
(39.38721, -76.68990) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Parking along circulatory roadway; pedestrian access to central island.
Owings Mills, MD
Baltimore Co.
United States 		Painters Mill Rd. / Lyons Mill Rd.
(39.39425, -76.78747) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
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.
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.
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.
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.
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.
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.
Robinwood, MD
Washington Co.
United States 		Professional Blvd. / Yale Dr.
(39.63069, -77.68089) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Striped spiraling. Year Completed estimated (2015-2016). 21442.
Hagerstown, MD
Washington Co.
United States 		Observatory Dr. / Meridian Dr.
(39.61678, -77.67508) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (1999-2005).
Aberdeen, MD
Harford Co.
United States 		Heathland Trl. / Spindrift Rd. / Bentgrass Dr.
(39.49427, -76.20490) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Easton, MD
Talbot Co.
United States 		Lakelands Dr. / Superior Cir.
(38.74048, -76.06518) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
White Marsh Station, MD
Baltimore Co.
United States 		Carrington Dr. / Jerome Ave.
(39.40574, -76.40236) 		Other
Existing 		Unknown
Unknown 		4 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
Urbana, MD
Frederick Co.
United States 		Royal Crest Cir. / Aberdeen Way
(39.34020, -77.33396) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Urbana, MD
Frederick Co.
United States 		Braidwood Dr. / Ethan Ridge Ave.
(39.34386, -77.32911) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009).
Baltimore, MD
Baltimore City
United States 		Whetstone Way / (parking)
(39.26820, -76.60021) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
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
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.
Pleasant Hills, MD
Harford Co.
United States 		Fallston Blvd.
(39.49526, -76.38632) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Perry Hall, MD
Baltimore Co.
United States 		Seven Courts Dr. / Proctor Ln.
(39.41060, -76.48483) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Rossville, MD
Baltimore Co.
United States 		Franklin Square Dr. / Upton Cir.
(39.35121, -76.48864) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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
Olney, MD
Montgomery Co.
United States 		Wickham Rd. / Olney Mill Rd. / Dunsford Dr.
(39.16071, -77.09596) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Gaithersburg, MD
Montgomery Co.
United States 		Hoover Farm Dr. / Holland Meadow Ln.
(39.18129, -77.13125) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Gaithersburg, MD
Montgomery Co.
United States 		Hoover Farm Dr. / Brass Bucket Ct.
(39.17775, -77.13018) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Boyds, MD
Montgomery Co.
United States 		Crazy Quilt Ct.
(39.16123, -77.30454) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Reisterstown, MD
Baltimore Co.
United States 		Winged Foot Dr. / Crystal Downs Ct. / Kauri Cliffs Rd.
(39.42897, -76.81445) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Joppa, MD
Harford Co.
United States 		Trimble Rd. / Fort Hoyle Rd.
(39.41183, -76.33325) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013).
Havre de Grace, MD
Harford Co.
United States 		Bulle Rock Pkwy. / (future road)
(39.54923, -76.12871) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Havre de Grace, MD
Harford Co.
United States 		N Meadows Circle
(39.55272, -76.13636) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Owings Mills, MD
Baltimore Co.
United States 		(unknown)
(39.39269, -76.78657) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Ellicott City, MD
Howard Co.
United States 		Nightingale Ct. / Academy Rd.
(39.24564, -76.79297) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Old Town College Park, MD
Prince George's Co.
United States 		52nd Ave. / (unknown)
(38.97496, -76.92410) 		Other
Existing 		Unknown
Unknown 		2 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Unknown
Bowie, MD
Prince George's Co.
United States 		Faircrest Circle
(38.92760, -76.84166) 		Other
Existing 		Unknown
Unknown 		2 Approaches
18 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Elkridge, MD
Howard Co.
United States 		Toomey Ln. / Clements Ln.
(39.20950, -76.71291) 		Other
Existing 		Unknown
Unknown 		2 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Ellicott City, MD
Howard Co.
United States 		Hillsborough Rd. / English Morning Ln.
(39.25046, -76.79507) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Silver Spring, MD
Montgomery Co.
United States 		Ritchie Ave. / Oswego Ave.
(38.98602, -77.00877) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Painted splitter islands.
Eden, MD
Wicomico Co.
United States 		Rivermere Dr.
(38.30576, -75.74862) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Boonsboro, MD
Washington Co.
United States 		US 40 Alternate (Old National Pike) / MD 67 (Rothersville Rd.) / Ostertag Pass
(39.49747, -77.64507) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2019
Aiken's Tavern Historic District, MD
Cecil Co.
United States 		Patriots Way / McArthur Ln.
(39.62121, -75.80850) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Germantown, MD
Montgomery Co.
United States 		Summer Oak Dr. / Summer Oak Ct.
(39.16467, -77.24384) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Germantown, MD
Montgomery Co.
United States 		Germantown Rd. / Watkins Mill Rd. / Blunt Rd.
(39.19058, -77.22492) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		1999 Right-turn bypass lane on north leg. Year Completed estimated (1993-2005).
Olney, MD
Montgomery Co.
United States 		Brightwood Rd. / Winding Oak Dr. / Weston Pl.
(39.16065, -77.09120) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Cloverly, MD
Montgomery Co.
United States 		Harbour Town Dr. / Firestone Dr.
(39.12855, -76.99401) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Cloverly, MD
Montgomery Co.
United States 		Firestone Dr. / Sea Island Ct.
(39.12744, -76.99807) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Greenbelt, MD
Prince George's Co.
United States 		Greenbelt Station Pkwy. / Stream Bank Ln.
(39.00060, -76.91754) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2014 Crosswalks at yield line on all leg. Year Completed estimated (2013-2014). West leg opened 2016.
Greenbelt, MD
Prince George's Co.
United States 		Greenbelt Station Pkwy. / S Center Dr.
(39.00209, -76.91666) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2017
Greenbelt, MD
Prince George's Co.
United States 		Greenbelt Station Pkwy. / Stream Bank Ln.
(39.00374, -76.91563) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2017
Greenbelt, MD
Prince George's Co.
United States 		Hanover Pkwy. / (unknown)
(38.98589, -76.87602) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Ballenger Creek, MD
Frederick Co.
United States 		McLauren Ln. / Carston Ct. / Duncan Pl.
(39.36852, -77.43743) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Frederick, MD
Frederick Co.
United States 		W Fagan Ln.
(39.44591, -77.43047) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States 		E Fagan Dr.
(39.44594, -77.42928) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Frederick, MD
Frederick Co.
United States 		W Huff Blvd.
(39.44689, -77.43046) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane