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.
... Contents Holtsville, New York Holtsville is a town located in Suffolk County, New York. As of the 2000 census, the town had a total population of 17,006. Geography ...