Tags: Railway Line.
The Changi Airport Skytrain is a people mover system that connects Terminals 1 2 and 3 at Singapore Changi Airport. Opened in 1990 it was the first auto-guided system in Asia. The Changi Airport Skytrain operates from 0500 to 0230 daily and operates at 1 to 2-minute intervals. Travel on the Skytrain is free and an inter-terminal journey takes about 90 seconds.