The driver of the Coimbatore-Nagercoil Express felt a huge judder as the train passed between Dindigul and Erioydu sectors and immediately alerted railway officials at the two stations, Venkateshan, Public Relations Officer, Salem said.
The officials immediately stopped the Nagercoil-Bangalore Express which was nearing the spot, he said, adding a team rushed to the area and repaired the crack.
After 47 minutes delay, the train left for its onward destination, the officer added.