I-81 is the shortest two-digit Interstate in the state of Maryland at a little over 12 miles in length. It runs from the WV/MD line to the MD/PA line via Hagerstown.
I-81 is the shortest two-digit Interstate in the state of Maryland at a little over 12 miles in length. It runs from the WV/MD line to the MD/PA line via Hagerstown.
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