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--> |direction_b= |terminus_b= |counties= |previous_type=SR |previous_route=73 |next_type=SR |next_route=74 }} Interstate 73 (I-73) is a planned Interstate Highway in Virginia. It currently only exists in North Carolina. Proposed extensions would create a freeway from Myrtle Beach, South Carolina, to Grayling, Michigan, passing through the Commonwealth of Virginia. One Future I-73 Corridor sign is marked on I-581 Southbound after the on-ramp from VA 117 North. ==Route description== In Virginia, I-73 will continue north from the state line parallel to the US 220 corridor all the way to Roanoke. US 220 is a rural four-lane highway with many safety issues. As such, Virginia has decided to have I-73 immediately diverge from US 220 upon entering the commonwealth from North Carolina and travel around the east side of Martinsville, with US 220 as a freeway around the west side of Martinsville. The two will meet briefly south of Rocky Mount. I-73 will continue its northbound journey paralleling US 220 to the east until they converge south of Roanoke. At that point, I-73 and US 220 will run concurrent to I-581, which I-73 will follow to I-81. 〔(I-73 Location Study )〕 If I-73 is extended northward, from Roanoke, it will turn southwest on I-81, running concurrent to east of Blacksburg, and then using the Smart Road to Blacksburg. The rest of the way to West Virginia will be an upgrade of US 460, Corridor Q of the Appalachian Development Highway System. 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 73 in Virginia」の詳細全文を読む スポンサード リンク
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