New Delhi, Oct. 7 -- The Indira Gandhi International (IGI) airport's much-awaited Automated People Mover (APM), an air train that will connect Terminals 1 and 3 with Aerocity, the airport metro station, and the cargo area, is expected to be ready by 2030, with construction set to begin next year, airport officials said on Tuesday.

"The 7.3km system, planned as part of a larger expansion of Indira Gandhi International Airport (IGIA) to meet rising passenger demand through 2036," said Delhi International Airport Ltd (DIAL) chief executive officer (CEO) Pradeep Panicker.

It will have six stations and is expected to carry 55,000 passengers in its opening year and up to 85,000 passengers a day "at saturation", said Panicker. "The design work...