Piccadilly Line: No service between Rayners Lane and Uxbridge due to a shortage of trains while we fix trains damaged by leaf fall. Please use the Metropolitan line to complete your journey. No service between Acton Town and Heathrow Airport westbound and SEVERE DELAYS between Heathrow Airport and Acton Town eastbound while we fix a signal failure at Northfields. GOOD SERVICE on the rest of the line. Tickets are being accepted on London Buses, Elizabeth Line and South Western Railway services via reasonable routes.