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|direction_b=East |terminus_b=Aberdeen Proving Ground in Aberdeen |counties=Harford |previous_type=MD |previous_route=21 |next_type=MD |next_route=23 |browse= }} Maryland Route 22 (MD 22) is a state highway in the U.S. state of Maryland. The state highway runs from U.S. Route 1 Business (US 1 Business) and MD 924 in Bel Air east to an entrance to Aberdeen Proving Ground in Aberdeen. MD 22 is the main connection between the county seat of Bel Air and Aberdeen, which is the largest city in Harford County. The state highway also provides the primary route between Interstate 95 (I-95) and Aberdeen Proving Ground. MD 22 was one of the original state roads marked for improvement in 1909 and one of the original state-numbered highways in 1927. The highway was constructed between Bel Air and Aberdeen in the early 1910s. Another section of highway between Aberdeen and Havre de Grace, the Post Road, was also built in the early 1910s. The Post Road became part of US 40 in 1927 but was designated as an extension of MD 22 after US 40 was relocated in the early 1930s. MD 22 was reconstructed from Bel Air to Aberdeen in the 1950s. MD 22's present course east of I-95 was built in the late 1960s; the old section of MD 22 through Aberdeen became MD 132. ==Route description== MD 22 begins in the Bel Air Courthouse Historic District in the town of Bel Air as a one-way pair, Fulford Avenue eastbound and Churchville Road westbound, at Main Street. Main Street carries northbound MD 924 and US 1 Business; the business route enters downtown Bel Air from the west on Fulford Avenue. Churchville Road continues west as unsigned MD 922E, which intersects Bond Street, which carries southbound MD 924 and US 1 Business; the business route leaves downtown Bel Air to the west on Churchville Road. The two directions of MD 22 unite at Shamrock Road as Churchville Road, a four-lane divided highway that passes Rockfield Park and The John Carroll School as it leaves the town of Bel Air. The state highway crosses over Bynum Run as it passes through Fountain Green, where the highway intersects MD 543 (Fountain Green Road).〔〔 East of MD 543, MD 22 reduces to two lanes and passes the historic Dibb House and Tudor Hall, the latter notable for being the boyhood home of John Wilkes Booth.〔 The state highway passes through the hamlet of Schucks Corner and intersects Thomas Run Road, which leads to Thomas Run Park, Harford Technical High School, Thomas Run Church, Medical Hall Historic District, and the historic Hays-Heighe House on the campus of Harford Community College. In the unincorporated village of Churchville, MD 22 intersects MD 136 (Calvary Road/Priestbridge Road) adjacent to the community's namesake, Churchville Presbyterian Church. After meeting the west end of MD 155 (Level Road) immediately to the east, the state highway curves to the south. After MD 156 (Aldino Road) splits to the east, MD 22 returns to an eastward heading to pass through the hamlet of Carsins. The state highway expands to a four-lane highway immediately before intersecting Long Drive, which serves as the entrance to Ripken Stadium, home of the Aberdeen IronBirds. Just east of the stadium complex, the state highway meets I-95 (John F. Kennedy Memorial Highway) at a six-ramp partial cloverleaf interchange.〔〔 MD 22 continues east as Aberdeen Thruway, a four-lane divided highway bypass of downtown Aberdeen that connects I-95 with Aberdeen Proving Ground. Immediately east of I-95, the state highway enters the city limits of Aberdeen and intersects Beards Hill Road. Beards Hill Road heads south as unsigned MD 132A, which leads to MD 132 (Bel Air Avenue), the old alignment of MD 22 that leads to downtown Aberdeen. MD 22 continues east through an intersection with MD 462 (Paradise Road) and curves south. The state highway continues through grade-separated crossings of CSX's Philadelphia Subdivision and the Amtrak Northeast Corridor northeast of downtown Aberdeen. Squeezed in between the two railroad lines is MD 22's partial cloverleaf interchange with US 40 (Philadelphia Boulevard); several movements between the two highways are provided via Rogers Avenue, which intersects MD 22 between the bridges across the Philadelphia Subdivision and US 40. East of the railroads, the highway intersects Post Road, which heads north as another section of MD 132 (officially MD 132B), before reaching its eastern terminus at Bel Air Avenue just west of an entrance to Aberdeen Proving Ground. The highway continues onto the military base as Harford Boulevard.〔〔 MD 22 is a part of the National Highway System for its entire length. The highway is a part of the main National Highway System from I-95 to Aberdeen Proving Ground and as a principal arterial from MD 924 in Bel Air to I-95.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Maryland Route 22」の詳細全文を読む スポンサード リンク
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