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.
... the town had a total population of 19,701. Geography Lake Ronkonkoma is located at 40°49'47" North, 73°6'47" West (40.829709, -73.113015)1. According to the ...