Number of Miles 611
Intersections with other Interstates
Spur Routes
Notes When I-77 and I-81 merge in Virginia, you are going both north and south on a wrong-way multiplex.
... living together, 11.9% have a female householder with no husband present, and 42.6% are non-families. 36.3% of all households are made up of individuals and 17.6% have ...