London travel news LIVE: Signal failure halts Piccadilly line trains to Heathrow
- Posted on March 6, 2026
- By Evening Standard
- 7 Views
London travel news LIVE: Signal failure halts Piccadilly line trains to Heathrow
No Tube service between Acton Town and Heathrow Airport as engineers fix a signal failure at Boston Manor, with passengers urged to use buses and the Elizabeth Line
