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Interstate 581 (I-581) is a spur off Interstate 81 into Roanoke, Virginia, United States, completely overlapping U.S. Route 220. It is proposed to be overtaken by Interstate 73. Future I-73 Corridor Signs are marked on I-581; one on the southbound side just after Exit 2. ==Route description== The I-581 designation ends at the Elm Avenue (State Route 24) interchange in downtown Roanoke, Virginia, where US 220 continues south as the Roy L. Webber Expressway. I-581 was constructed as a six lane highway for its entire length and has not been widened in its history. Many of I-581's exits are cloverleaf interchanges, which results in weaving. The northern terminus has short merge areas with I-81, particularly the left-lane southbound merge. Roanoke Regional Airport, Valley View Mall, and the Roanoke Civic Center are all located adjacent to I-581. The Hershberger Road (State Route 101) exit has become a focus of development. In addition to Valley View, two large hotels were constructed in the early 1980s with another group of hotels being constructed from the mid-1990s through the present. In 2002, local CBS affiliate WDBJ constructed its new facility, designed to broadcast in HDTV, on Hershberger Road near I-581. The southern end of I-581 offers views of the downtown Roanoke skyline, most prominently the Hotel Roanoke, the Wachovia Tower, the former Roanoke Shops of Norfolk Southern, the Norfolk Southern tower, and St. Andrews Catholic Church. The Mill Mountain Star is also clearly visible. 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「Interstate 581」の詳細全文を読む スポンサード リンク
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