The Nov. 1 derailment was the second time since February 2014 that several cars came off the freight tracks in Westford. The tracks belong to Pan Am Railways of Billerica. PHOTO BY JOYCE PELLINO CRANE
Pan Am Railways workers head down the tracks toward the location at River and Broadway streets where six cars derailed on Nov. 1. PHOTO BY JOYCE PELLINO CRANE
Pan Am Railways workers survey the freight tracks along North Main Street on Jan. 5. PHOTO BY JOYCE PELLINO CRANE
A freight train derailment on Nov. 1 is prompting Pan Am Railways officials to work on a portion of track just before the location where the derailment took place at River and Broadway streets. PHOTO BY JOYCE PELLINO CRANE
Six cars derailed on Nov. 1 including a tanker that held the toxin, Ferrous Chloride Solution. PHOTO BY JOYCE PELLINO CRANE
