This is an interactive map - Zoom in & out - Click on any part of the TRAIL to see a description of that portion of the trail. Click on various icons for more info about trail closings, warnings, points of interest, etc..Map also shows future trail sections in Londonderry and Salem that are not yet complete. Also shown are Manchester and Goffstown trails. Derry Rail Trail is part of the proposed Granite State Rail Trail. Go to www.derryrailtrail.org for more info.