Baltimore County is the third-most populous county in the U.S. state of Maryland and is part of the Baltimore metropolitan area. Baltimore County is part of the Northeast megalopolis, which stretches from Northern Virginia northward to Boston. Baltimore County hosts a diversified economy, with particular emphasis on education, government, and health care. As of the 2020 census, the population was 854,535.
Severna Park is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. Severna Park is part of the Baltimore-Washington Metropolitan Area, and is located approximately 8 miles (13 km) north of Annapolis, 17 miles (27 km) south of Baltimore and 39 miles (63 km) east of Washington, D.C. Severna Park's population was 39,933 at the 2020 census.
Cockeysville is a census-designated place (CDP) in Baltimore County, Maryland, United States. The population was 20,776 at the 2010 census.
Towson is an unincorporated community and a census-designated place in Baltimore County, Maryland, United States. The population was 55,197 as of the 2010 census. It is the county seat of Baltimore County and the second-most populous unincorporated county seat in the United States.
U.S. Route 111 (US 111) was a U.S. Highway that extended from Baltimore, Maryland north to the Harrisburg, Pennsylvania area. It replaced part of the Susquehanna Trail, partially signed as Pennsylvania Route 4, and was in turn replaced by Interstate 83 (I-83). Portions of its pre-freeway alignment are now Maryland Route 45 and I-83 Business. Other old sections in Pennsylvania are now unsigned Quadrant Routes or township-maintained roads. US 111 extended north to the Pennsylvania–New York state line where U.S. Route 15 now crosses it between 1928 and 1937.
Timonium is a census-designated place (CDP) in Baltimore County, Maryland, United States. As of the 2010 census it had a population of 9,926. Prior to 2010 the area was part of the Lutherville-Timonium CDP. The Maryland State Fair is held in Timonium each year near Labor Day on the grounds of the former Timonium Race Course, which is an important site along with Pimlico Race Course in northwest Baltimore and Laurel Park in Prince George's County, along with other former tracks at Bowie and Rosecroft in Maryland thoroughbred horse racing traditions.
Maryland Route 45 is a state highway in the U.S. state of Maryland. Known for most of its length as York Road, the state highway runs 30.06 miles (48.38 km) from U.S. Route 1 /US 40 Truck in Baltimore north to the Pennsylvania state line in Maryland Line, where the highway continues as State Route 3001. MD 45 is the primary highway between Downtown Baltimore and Towson, the county seat of Baltimore County. North of Interstate 695 (I-695), the state highway parallels I-83 and serves the suburban communities of Lutherville, Timonium, Cockeysville, and Hunt Valley. MD 45 also connects the northern Baltimore County communities of Hereford and Parkton. The state highway is maintained by the Maryland State Highway Administration in Baltimore County and by the Baltimore City Department of Transportation in the city, where the highway also follows Greenmount Avenue.
Ruxton and Riderwood are unincorporated communities in Baltimore County, Maryland, United States. They are sometimes considered a part of Towson and are part of Towson's census area.
The Northern Central Railway (NCRY) was a Class I Railroad connecting Baltimore, Maryland with Sunbury, Pennsylvania, along the Susquehanna River. Completed in 1858, the line came under the control of the Pennsylvania Railroad (PRR) in 1861, when the PRR acquired a controlling interest in the Northern Central's stock to compete with the rival Baltimore and Ohio Railroad (B&O).
The Torrey C. Brown Rail Trail (TCB), the official name of the Northern Central Railroad (NCR) Trail, is a rail trail that runs along an abandoned railroad corridor where the Northern Central Railway once operated. The trail extends 19.7 miles from Ashland Road in Cockeysville, Maryland to the boundary with Pennsylvania. At the Pennsylvania line, the Torrey C. Brown Trail becomes the York County Heritage Rail Trail and continues to the city of York.
Maryland Route 7 (MD 7) is a collection of state highways in the U.S. state of Maryland. Known for much of their length as Philadelphia Road, there are five disjoint mainline sections of the highway totaling 40.23 miles (64.74 km) that parallel U.S. Route 40 (US 40) in Baltimore, Harford, and Cecil counties in northeastern Maryland. The longest section of MD 7 begins at US 40 just east of the city of Baltimore in Rosedale and extends through eastern Baltimore County and southern Harford County to US 40 in Aberdeen. The next segment of the state highway is a C-shaped route through Havre de Grace on the west bank of the Susquehanna River. The third mainline section of MD 7 begins in Perryville on the east bank of the Susquehanna River and ends at US 40 a short distance west of the start of the fourth section, which passes through Charlestown and North East before ending at US 40, just west of Elkton. The fifth segment of the highway begins at South Street and passes through the eastern part of Elkton before reconnecting with US 40 east of Elkton and west of the Delaware state line.
Monkton is an unincorporated community in northern Baltimore County, Maryland, United States. It has a population of approximately 4,856 people. The community is 35 square miles (91 km2) in area, with approximately 138 inhabitants per square mile (53/km2). As an unincorporated area, Monkton has no legally defined boundaries, and its ZIP code (21111) includes a portion of adjacent Harford County.
Lutherville is a census-designated place (CDP) in Baltimore County, Maryland, United States. As of the 2010 census it had a population of 6,504. Prior to 2010 the area was part of the Lutherville-Timonium CDP. Within its borders lies the Lutherville Historic District.
Maryland Route 145 is a state highway in the U.S. state of Maryland. The state highway runs 10.34 miles (16.64 km) from MD 45 in Cockeysville east to MD 165 near Baldwin. MD 145 connects the north-central and eastern portions of Baltimore County via Jacksonville. The first section of the highway was built from Loch Raven Reservoir to Jacksonville in the early 1910s. The remainder of MD 145 east to Baldwin was completed in the mid-1920s. The state highway was extended west to Cockeysville in the early 1980s in a maintenance swap. When MD 145's bridge over Loch Raven Reservoir was replaced in 2000, the old bridge from 1922 was preserved.
Maryland Route 165 is a state highway in the U.S. state of Maryland. The state highway runs 20.38 miles (32.80 km) from Baldwin north to the Pennsylvania state line in Cardiff, where the highway continues as Pennsylvania Route 74. MD 165 passes through western and northern Harford County, where it connects the communities of Fallston, Jarrettsville, Pylesville, and Whiteford. The state highway was constructed as part of MD 24 through Pylesville and Whiteford in the late 1910s and early 1920s. MD 165 from Baldwin through Jarrettsville to west of Pylesville was built in the late 1920s and early 1930s. When MD 24 was rerouted in 1933, MD 165 was extended along that highway's old routing through Pylesville and Whiteford, much of which was relocated in 1960.
The Baltimore–Columbia–Towson Metropolitan Statistical Area, also known as Central Maryland, is a metropolitan statistical area (MSA) in Maryland as defined by the United States Office of Management and Budget (OMB). It is part of the larger Washington–Baltimore combined statistical area. As of 2022, the combined population of the seven counties is 2,985,871, making it the 20th-largest metropolitan statistical area in the nation.
U.S. Route 40 in the U.S. state of Maryland runs from Garrett County in Western Maryland to Cecil County in the state's northeastern corner. With a total length of 221 miles (356 km), it is the longest numbered highway in Maryland. Almost half of the road overlaps or parallels with Interstate 68 (I-68) or I-70, while the old alignment is generally known as US 40 Alternate, US 40 Scenic, or Maryland Route 144. West of Baltimore, in the Piedmont and Appalachian Mountains / Blue Ridge region of the Western Maryland panhandle of the small state, the portions where it does not overlap an Interstate highway are mostly two-lane roads. The portion northeast of Baltimore going toward Wilmington in northern Delaware and Philadelphia in southeastern Pennsylvania is a four-lane divided highway, known as the Pulaski Highway. This section crosses the Susquehanna River at the north end of the Chesapeake Bay on the Thomas J. Hatem Memorial Bridge.
Old Harford Road, one of the oldest continuously used rights-of-way in central Maryland, United States, is a southwest–northeast thoroughfare in northeast Baltimore City and eastern Baltimore County.
Gunpowder Falls State Park is a public recreation area comprising six non-contiguous areas covering 18,000 acres (7,300 ha) in northeastern Baltimore County and western Harford County, Maryland. The state park is primarily made up of the stream valleys of the Big and Little Gunpowder Falls and the Gunpowder River; its natural features range from tidal marshes to rugged interior slopes. The park has over 120 miles of trails for hiking, biking, horseback riding, and cross-country skiing plus facilities for picnicking, tubing, canoeing and kayaking, tide-water fishing and crabbing, fly fishing, and hunting, among other activities. It is managed by the Maryland Department of Natural Resources.
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