Interstate 73 (I-73) is a planned Interstate Highway in Virginia. Authorized by the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA), Virginia's
(I-581) is a spur of I-81 into Roanoke, Virginia, completely overlapping US Route 220 (US 220). It was planned to be connected to I-73. Future I-73 Corridor
the U.S. state of West Virginia. It runs from the Virginia state line near Bluefield, where it is concurrent with Interstate 77 (I-77), in a general northwest