The current section between Rollinsford and Somersworth was originally a branch built by the B&M to reach the mills in Great Falls.

Whittier (West Ossipee) to Intervale was abandoned after the last train departed North Conway, on October 31, 1972.

(The last train to depart Intervale was about a week before when the B&M picked up equipment dropped off by the MEC for the soon-to-be Conway Scenic Railroad.)

Whittier south to the NHN property line (the Route 28 overpasses) was officially abandoned in the mid-1990s.

This heritage railway operates seasonal passenger trains on this and also on a portion of the Mountain Division.

The section south of Rochester to the terminus in Rollinsford, just outside Dover, was sold to the NHN in 1994, ending Boston & Maine operation of the Conway Branch.

In 2007, the Silver Lake Railroad began operating small, seasonal tourist trains along 3 miles (5 km) of track in Madison, using large speeders.