Piccadilly Line: No service between Rayners Lane and Uxbridge due a shortage of Piccadilly line trains while we fix damage caused by leaf fall. Please use the Metropolitan line to complete your journey. NO SERVICE between Northfields and Heathrow Airport and SEVERE DELAYS to the rest of the line while we fix a signal failure at Osterley. Tickets are being accepted on London Buses, Elizabeth Line, Great Northern, London Overground and Southwestern Railway services via reasonable routes.