NJ Transit train crash investigation can take more than a year. Here’s what they’ll look at.

NJ Transit train crash investigation can take more than a year. Here’s what they’ll look at.

Commuters saw little evidence Monday morning of Friday’s collision between two NJ Transit trains, except for a warning of delays, as National Transportation Safety Board investigators continued their investigation.While an NJ Transit spokesperson said service had returned to normal, NTSB investigators continued a rigorous probe of the Friday evening collision of two trains near Bay Street station in Montclair.