PA
Interstates in Pennsylvania
12 Interstate routes run through Pennsylvania: 12 primary.
Primary / East-west
I-70
Cove Fort to Baltimore
Active Primary / East-west I-76 (PA-NJ)Ohio Turnpike to Camden
Active Primary / East-west I-78Lebanon County to New York City
Active Primary / North-south I-79Charleston to Erie
Active Primary / East-west I-80San Francisco to Teaneck
Active Primary / North-south I-81Dandridge to the Canadian border
Active Primary / North-south I-83Baltimore to Harrisburg
Active Primary / East-west I-84 (PA-MA)Dunmore to Sturbridge
Active Primary / East-west I-86 (PA-NY)Erie region to the Southern Tier
Active Primary / East-west I-90Seattle to Boston
Active Primary / North-south I-95Miami to Houlton
Active Primary / North-south I-99Central Pennsylvania toward the Southern Tier
Active