The train services of Khulna with other parts were halted since early Tuesday following a derailment at Safdalpur Railway Station under Kotchandpur upazila of Jhenidah.
The accident took place around 2:30am.
A oil-laden train collided head-on with a goods-laden one as both the vehicles entered the same line defying signal, said the station master Golam Mostafa.
As a result, engines of the trains and rail line were damaged, suspending the rail communication.
A relief train from Ishwardi started salvation work.
TF