The Stansted Airport Track Transit System (TTS) is a fully automated people mover system which operates within London Stansted Airport in England, United Kingdom.
The transit system conveys air travellers between the main airport terminal and the departure/arrival gates, which are located some distance from the main terminal in satellite buildings 1 and 2. The system operates exclusively "airside", meaning that it can only be accessed by passengers who have first passed through airport security. The transit is provided free of charge, with easy access for disabled passengers and is fully electric, much less polluting than the diesel buses that serve the car parks and remote aircraft stands.
It is planned to decommission and partially demolish the Stansted TTS in the spring of 2026 as part of a redevelopment project, and replace the transit system with pedestrian bridges.