The agency announced though its Twitter account early Thursday afternoon that normal east- and westbound schedules would resume at 2 p.m.
The derailment incident happened overnight west of Lindenwold Station.
Action News is told crews were performing maintenance work on a track.
A crane they were using derailed on its way back to the station.
Express service was suspended all morning.
Local trains were running on an emergency schedule, every 15-20 minutes.
No injuries were reported during the incident.
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