Double decker express, as the name suggests, are 2 storeyed trains that can accommodate more number of passengers compared to other express or mail trains. These trains ply between important cities which are just a few hundred kilometres apart. These are fully AC coaches and have only seating facilities with Chair Car (CC) class. There is a ladder to climb up the upper deck of coach. These trains do not offer catering facilities. Double-decker Trains are usually painted in vibrant yellow and red color while some other express trains also have double decker non ac coaches. 1 double-decker train runs from Renukut to Allahabad - Jharkhand Swarna Jayanti SF Special (via Barkakana) (12873).
Renukut to Allahabad Jharkhand Swarna Jayanti SF Special (via Barkakana) (12873) departs from Renukut station (RNQ) at and arrives Prayagraj Allahabad Junction station (PRYJ) at . This train has 4 stoppages. Renukut to Allahabad double-decker fare is Rs.555 in Third AC, Rs.130 in Second Seater, Rs.755 in Second AC and Rs.220 in Sleeper for this train.