Transport · Railway / metro
Piccadilly Line Upgrade
The Piccadilly Line Upgrade replaces 86 existing trains with 94 new trains and adapts depots, power supplies and platforms for them. First passenger service remains ahead.[1]
Current position
Four trains are undergoing London integration testing. They are not in passenger service; first service is forecast between December 2026 and June 2027.
Delivered and outstanding
- Delivered: four London test trains had accumulated almost 9,000km and full route clearance by the October 2026 report.
- Outstanding: passenger introduction, fleet rollout and supporting infrastructure. Walk-through carriages and air conditioning are planned fleet features.
Timeline
October 2024
First train arrived in London for testing.
October 2026 report
Four test trains, almost 9,000km and full route clearance recorded.