It happened around 6:30 p.m. Sunday along the 2000 block of Route 130.
Officials say a River Line train carrying 40 passengers caught fire while en route to the Florence Station.
The fire started in the train's engine compartment.
Everyone made it safely off the train.
Ambulances were called to the scene to help keep the stranded passengers warm.
Service was suspended in both directions between Bordentown and Burlington Town Center. It has since been restored.
The cause of the fire is under investigation.