METROPOLITAN LINE: Saturday 21 and Sunday 22 September, no service between Harrow-on-the-Hill and Uxbridge. Replacement bus service ML1 operates between Harrow-on-the-Hill and Uxbridge via West Harrow (Treve Avenue), South Harrow, Rayners Lane, Eastcote, Ruislip Manor, Ruislip, West Ruislip (for Central line and Chiltern Railways), Ickenham and Hillingdon.