Interstate 581
I-581 highlighted in red | ||||
| Route information | ||||
| Auxiliary route of I-81 | ||||
| Maintained by VDOT | ||||
| Length | 6.64 mi (10.69 km) | |||
| Existed | 1964–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end | US 220 / SR 24 in Roanoke | |||
| North end | I-81 / US 220 near Hollins | |||
| Location | ||||
| Country | United States | |||
| State | Virginia | |||
| Counties | City of Roanoke, Roanoke | |||
| Highway system | ||||
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Interstate 581 (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 signs have been marked on I-581 on the southbound side just after exit 2.