the grandfather of all trains...still tends to run like fast like a young guy in zeal to provide best connectivity to passengers in it's route......the only train which not only the people of chennai....but also other states like AP,MH,MP,UP choose to be one of the best options due to it's uniform connectivity and non-partial run in all states......we salute you Grand trunk exp.......for you are the true image of railways which promises connectivity to all places and in the best way.......