Pennsylvania's Federal Functional Class
  • INTERSTATE HIGHWAYS (1, 11)
  • OTHER FREEWAYS AND EXPRESSWAYS (12)
  • OTHER PRINCIPAL ARTERIAL HIGHWAYS (2,14)
  • MINOR ARTERIALS (6,16)
  • URBAN COLLECTOR / RURAL MAJOR COLLECTOR (7,17)
  • RURAL MINOR COLLECTOR (8)
  • LOCAL ROADS (9,19)