Ernakulam Junction (also known as Ernakulam South, code: ERS) is the largest railway station in the city of Kochi. The station has six platforms and two terminals (the Main entry and the Eastern entry). It is a junction, joining lines going in four different directions namely: north towards Shornur, south towards Alappuzha, south-west towards Willingdon Island and east towards Kottayam. This station has 6 platforms to handle long distance trains and local trains.
Ernakulam Junction is one of the most important stations in India. It is the largest of the 3 major stations serving the city other being Ernakulam north and Aluva railway station. It is the second busiest in terms of no of trains after aluva. Even though there have been many proposals to convert Ernakulam junction into a world class station, no development activity is happening at present.
Ernakulam Junction was the first railway station in Kerala to have an escalator. It was installed on 9 September 2013.
Ernakulam Diesel Loco Shed is the only loco shed in the state of Kerala. The Diesel Loco Shed was set up in 1982 and handles around 56 diesel locomotives a month and employees 373 personnel. It is the southernmost locoshed in Indian Railways. It is mainly concentrating the maintenance of locos WDM-2, WDM-3A, WDS-6 and WDM-7 locos.