It was around 9:15 a.m. Friday when a several train cars carrying gravel derailed in Pleasantville.
New Jersey State Police tell Action News that the final four cars of the train derailed - three of which are off-the-tracks, while the fourth is leaning on its side.
The cleanup is underway.
One left lane on the westbound Atlantic City Expressway is open to traffic.
No injuries have been reported.