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.

Important: Extended construction projects and road closures have resulted in extended route changes on 4A and 4B services. Please read this notice.

Schedules and Maps

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