Maryland Route 99
State highway in Howard County, Maryland, US, known as Old Frederick Rd / From Wikipedia, the free encyclopedia
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Maryland Route 99 (MD 99) is a state highway in the U.S. state of Maryland. Known as Old Frederick Road, the state highway runs 7.57 miles (12.18 km) from MD 32 near West Friendship east to U.S. Route 29 (US 29) in Ellicott City. MD 99 parallels the north side of Interstate 70 (I-70) through a rural and suburban area in northeastern Howard County. MD 99, which follows the original 18th-century road west from Baltimore, was constructed as part of three state highways: MD 99, the original MD 100, and MD 105. All three highways were constructed between the early 1920s and early 1930s. MD 99 originally turned south along St. Johns Lane to US 40 and MD 144; in 1956, the state highway was rerouted along part of MD 100 and all of MD 105 to downtown Ellicott City. MD 99's eastern terminus was rolled back to US 29 in two steps in the late 1970s and late 1980s.
Old Frederick Road | ||||
Route information | ||||
Maintained by MDSHA | ||||
Length | 7.57 mi[1] (12.18 km) | |||
Existed | 1927–present | |||
Major junctions | ||||
West end | MD 32 near West Friendship | |||
East end | US 29 in Ellicott City | |||
Location | ||||
Country | United States | |||
State | Maryland | |||
Counties | Howard | |||
Highway system | ||||
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