Started on August 15, 1977, Vaigai Express runs between Chennai Egmore Railway Station and Madurai Junction Railway Station. Both stations are located in Tamil Nadu. The train is named after the Vaigai River. It is the only train in Southern Railways which has completely tube lighted interiors and sun control sliding glass shutters installed for the first time ever in India in all its 8 second class coaches. Also it is the one and only meter gauge train on the Southern Railways to be fitted with specially improved buffers and certified to run at 110 km per hour.
Vaigai Express (Train # 2635) starts from Chennai Egmore station at 12:25 Hrs (IST) and reaches Madurai at 20:15 Hrs (IST) and travel time is 7 Hours and 50 minutes. The train passes through Villupuram and Trichy. The train stoppages as given below :