Of the three tunnels, one will house a baggage handling system and the other two will transport passengers between the two terminals.

Singapore’s Changi International Airport has won just about every award there is in the aviation industry — including the title of world’s best airport for 2025. Now, Singapore is expanding its ...

Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport's new underground link.