Delhi Metro expansion, Delhi Metro interchange station: The Delhi Metro is set to have five triple interchange stations in the coming years. The triple interchange stations enable seamless transfers between three metro corridors at a single location. Also Read | Delhi Metro Phase 5A: Central Secretariat to become triple interchange station on DMRC networkHow many interchange stations are there in Delhi Metro? At present, there are 29 interchange metro stations in DMRC network. The interchange stations significantly reduce travel time and make cross-city journeys faster, smoother and more convenient for commuters.