Interstate 66
interstate highway in the United States
Interstate 66 is an Interstate Highway in the United States. It goes from Middletown, Virginia east to Washington, D.C.. The route is 76.28 miles (122.76 km) long.[1]
Interstate 66 | |
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Route information | |
Length | 76.28 mi[1] (122.76 km) |
Major junctions | |
West end | ![]() |
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East end | ![]() |
Highway system | |