3:08 p.m. Update: Delays are expected to persist into the evening, according to rail officials. Amtrak warns of 15- to 30-minute delays between Washington and Boston. The derailment was also expected to affect commuter service at New York Penn Station.

Original post: NEWARK — Amtrak passengers are facing delays of up to an hour between Boston and Washington after two cars of a commuter train derailed near New York City’s Penn Station Tuesday.

Only one track is available in each direction.

New Jersey Transit spokeswoman Courtney Carroll said no one was injured when the last two cars of a 10-car commuter train jumped the tracks around 8 a.m. Train 3823 was heading toward Trenton when the derailment occurred, Carroll said.

The 300 passengers aboard were transferred to another train by 9:18 a.m., she said. Northeast Corridor and North Jersey Coast Line trains are facing delays of up to 60 minutes.