The Chennai Mumbai Express is an Indian Railways train which travels between Chennai Central and Chhatrapati Shivaji Terminus, Mumbai, India. It travels at around 40-50 km/h. This train is numbered 1041 for the Mumbai-Chennai run and 1042 for the Chennai-Mumbai run. Previously, before being transferred to Central Railway, the train was with Southern Railway, with the numbers 6011 and 6012. Nowadays there is super fast train between Dadar (Mumbai) and Chennai which takes roughly 23 hours and 30 minutes for the journey of 1271 kilometres.
In the latest time table effective July 2010. By Mumbai Mail, one can reach Chennai from Mumbai in two nights and one day. The distance is 1250 Kilometers and time taken is 30 hours.