Notably, the concept of inter-terminal commute at airports is an established one, abroad. In fact, many major airports across the world such as Heathrow Airport (London), JFK Airport (New York), Zurich Airport, and Hong Kong International Airport already offer free-to-use inter-terminal metro train services.
Delhi Airport to become first in India with four runways
Notably, authorities had announced that the Delhi International Airport Ltd. (DIAL) would carry out integration of the Departure and Arrival sections of T1, construction of new T1 Apron, a fourth runway, and dual elevated Eastern Cross Taxiways (ECT), among other new services.
"After the expansion, Delhi Airport would become the first airport in India to have four runways," the authorities had said.
Earlier, in March, IGI Airport moved up 4 places to become the 12th busiest airport in the world. According to the traffic rankings released by the Airports Council International (ACI), it took over major airports like Frankfurt, Dallas Fort Worth, Guangzhou and Istanbul Ataturk airports.