How Common Are Train Accidents with New Jersey Transit? Shortly before the July derailment, the speed limit was raised up to 15. In response to that derailment, New Jersey Transit lowered the maximum speed for trains entering and leaving Pennsylvania Station to 10 miles per hour. New Jersey Transit was aware of the defect but had underestimated how urgent it needed to be repaired. The April 3 derailment was caused by a defect in the tracks. This incident occurred nearly three months after another New Jersey Transit train derailed at that station. But commuters overheard conductors saying that it will surely happen again. Fortunately, none of the 100 to 150 people on board were injured. New Jersey Transit officials described the incident as a “slow speed derailment,” the cause of which was not immediately known. The derailment led to more delays on NJ Transit and Amtrak tracks in a time where delays are already causing headaches for thousands of commuters daily. In early July, a New Jersey Transit train derailed on its way into Pennsylvania Station in New York.

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