BERLIN, N.H. (AP) – By the end of this month, the state plans to double the number of miles of ATV trails at the new Jericho Mountain State Park in Berlin.

The park plans to open 18 more miles of trails, making 33 miles available.

Extra crews arrived last week to work on the system, building 20 new bridges and two boardwalks.

The state hopes to have 50 miles of trails open by the end of the year.