Route 4 - Portsmouth

downtown Portsmouth, NH

Route 4 (A/B) originates in Durham/UNH and services Portsmouth and parts of Newington.

  • Route 4A leaves Durham, goes to the malls, downtown, the Islington Street corridor, downtown, the malls again, then returns to UNH.
  • Route 4B leaves Durham, goes to the malls, the Islington Street Corridor, downtown, the malls again, then returns to UNH.
  • The AM Express skips the malls southbound on both the 4A and 4B.


Please see the Transit Home Page for a table of stop changes.


Schedules and Maps

Please be aware of exceptions to the regular service dates and times.