It happened about 7:15 a.m. on the R7 tracks just past the Croydon train station in Lower Bucks County.
The train arrived in Washington D.C. at 10:30 this morning.
At the time of the incident there were 127 passengers on board the train. None of the passengers were injured.
Click here to get the latest Philadelphia news and headlines from across the Delaware and Lehigh valleys.