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Maryland Route 30 (MD 30) is a state highway in the U.S. state of Maryland. Known for most of its length as Hanover Pike, the highway runs from MD 140 in Reisterstown north to the Pennsylvania state line near Melrose, where the highway continues as Pennsylvania Route 94 (PA 94). MD 30 is a major, two-lane regional highway in western Baltimore County and northeastern Carroll County. Locally, the highway serves the towns of Manchester and Hampstead; the latter town is bypassed by the highway but served by a business route. Regionally, MD 30 connects Reisterstown and Baltimore with Hanover, Pennsylvania. MD 30 originated in the colonial era as part of a wagon road connecting the fledgling port of Baltimore with the new settlement that was to become Hanover. This highway was improved as a turnpike in the 19th century. MD 30 was constructed as a state road by the Maryland State Roads Commission in the late 1910s and early 1920s, and it became one of the original state-numbered highways in 1927. The state highway was relocated and widened near Reisterstown in the late 1930s and along the rest of its route in the early 1950s. The Hampstead Bypass was planned as early as the 1960s to ameliorate the increasing congestion along the MD 30 corridor that was only exacerbated when I-795 was completed to Reisterstown in the late 1980s. However, the construction of the bypass was continually delayed due to environmental issues and politics. The bypass was finally constructed between 2006 and 2009; the old highway through Hampstead became MD 30 Business. A MD 30 bypass of Manchester has also been discussed since the 1960s, but the Maryland State Highway Administration (MDSHA) has no plans to construct the new highway in the foreseeable future. ==Route description== MD 30 begins within the Reisterstown Historic District at an intersection with MD 140, which heads south as Main Street and northwest as Westminster Pike. The state highway heads north as two-lane Hanover Pike through a residential area to a four-way intersection with MD 128 (Butler Road) and unsigned MD 795, a connector between MD 30 and the northern terminus of I-795 (Northwest Expressway) at MD 140 that serves as a bypass of Reisterstown for MD 30 traffic. As the highway leaves Reisterstown, Old Hanover Pike splits to the northeast and MD 30 crosses over the Maryland Midland Railway. Old Hanover Pike reconnects with the state highway where the highway briefly parallels CSX's Hanover Subdivision and passes to the east of the Montrose Mansion and Chapel. At the hamlet of Woodensburg, the old road splits northeast again to follow the railroad through the village of Boring. The railroad and old road return to MD 30 again just north of the state highway's intersection with MD 91 (Emory Road). MD 30 parallels the railroad through the community of Upperco, which is also known as Arcadia, before crossing the Baltimore–Carroll county line.〔〔 Shortly after entering Carroll County, MD 30 curves northwest and meets the southern end of MD 30 Business (Hanover Pike) and Phillips Drive at a roundabout. While the business route heads north through the center of Hampstead, MD 30 passes to the west of the town on the Hampstead Bypass, which has two lanes but expands to a three- or four-lane divided highway for short stretches on either side of its roundabouts. The state highway passes under Houcksville Road and over Shiloh Road before meeting MD 482 (Hampstead–Mexico Road) at a roundabout. MD 30 reunites with the northern end of MD 30 Business at a roundabout in the community of Greenmount. The state highway, once again named Hanover Pike, has a short four-lane divided section through a commercial area before reducing to two lanes.〔〔 MD 30 enters the town of Manchester as Main Street as the highway passes by Manchester Valley High School. In the center of town, the highway intersects Westminster Street and York Street; along the latter street is Charlotte's Quest Nature Center. MD 30 meets the northern end of MD 27 (Manchester Road) on the northern edge of downtown and the southern end of MD 86 (Lineboro Road) at the north town limit. There is no direct access from southbound MD 30 to northbound MD 86; that movement is made via Hallie Avenue, the next intersection to the south. MD 30 crosses Dug Hill Ridge just north of MD 86 and passes through the community of Melrose, where the highway intersects MD 496 (Bachmans Valley Road) and Wentz Road. The state highway follows the upper reaches of the South Branch of Gunpowder Falls through a ridge to the river's source before reaching its northern terminus at the Pennsylvania state line. The highway continues as PA 94 (Baltimore Pike) through southwestern York County to Hanover.〔〔 MD 30 is a part of the main National Highway System for its entire length except for the short segment in Reisterstown south of MD 128 and MD 795; that short segment is a National Highway System principal arterial.〔〔 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 30」の詳細全文を読む スポンサード リンク
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