Eleven train services were cancelled today, following a derailment of two coaches of a local train at Avadi station late last night, Southern Railway said.
While the two empty coaches were "rerailed" early this morning, the track and Overhead Equipment (OHE) were also later repaired.
Subsequently, one train each was operated on the two lines, one at around 10 AM and the other at 12.50 PM.
"With this, full traffic on both the lines have been restored," a Southern Railway release said.
More From This Section
"Now, the train services stand fully restored," it added.
Following the derailment, officers from Chennai Division Railway headed by its Manager Naveen Gulati rushed to the spot and initiated restoration efforts, it said.
However, "no injury or casualty was reported as the train was empty," Southern Railway officials said.
Local services including those plying between Chennai-Sullurpetah and Arakkonam-Tirupati were earlier cancelled as a result of the derailment, they said.