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Interstate 81 (abbreviated I-81) is an Interstate Highway in the eastern part of the United States. Its nsouthern terminus is at Interstate 40 in Dandridge, Tennessee; its northern terminus is on Wellesley Islandn(near Fishers Landing, New York...Full Wikipedia Topic
Start Terminus Dandridge, Tennessee (I-40)
Length 1375.81 km/ 854.89 mi
End Terminus Fisher's Landing, New York (Canada)
This highway passes through multiple states. Each state is broken out sepeperatly in these listings.