A goods train derailed near Palwal in Haryana, disrupting the services of more than a dozen trains.
However, no one was injured in the derailment.
"A wagon and engine of a goods train derailed near Palwal following which we had to cancel some trains and divert a few," a northern railway spokesperson said.
Rail traffic was restored by 11am, he said.
Five trains, including Ferozpur-Mumbai Express and Amritsar-Mumbai Golden Temple Express were diverted towards Ghaziabad-Tundla-Agra section while six trains, including Agra-Palwal passenger and Mathura-Ghaziabad passenger trains were cancelled.
Timings of six trains, including Niazamuddin-Coimbator Express and Nizamuddin-Yashwantpur Karnataka Express were also rescheduled because of the incident.