|

| State
| Mileage
| Cities
| Junctions
|
| South Carolina
| 91.05
| Columbia, Rock Hill
| Interstate 26, Interstate 20
|
| North Carolina
| 102.31
| Charlotte, Mooresville, Statesville
| Interstate 485, Interstate 277, Interstate 277, Interstate 85, Future Interstate 485, Interstate 40, Interstate 74
|
| Virginia
| 69.40*
| Wytheville, Bluefield
| Interstate 81
|
| West Virginia
| 187.21
| Bluefield, Princeton, Beckley, Charleston, Parkersburg
| Future Interstate 73/74, Interstate 64, Future Interstate 66, Interstate 64, Interstate 79
|
| Ohio
| 160.13
| Marietta, Dover, Canton, Akron, Cleveland
| Interstate 70, Interstate 277, Interstate 76, Interstate 76, Interstate 271, Interstate 80, Interstate 480, Interstate 490, Interstate 90
|
| TOTAL
| 610.10
|
|
|
Source: October 31, 2002 Interstate Route Log and Finders List
* - 8.80 miles on I-81 |
Interstate 77 Virginia Annual Average Daily Traffic (AADT)

|