Passengers are being advised of major changes to train services between Clapham Junction, Willesden, and Watford Junction from Saturday, 25 October.
Network Rail is carrying out urgent work to renew a level crossing at Mitre Bridge during a four-day closure over the October half-term school holidays.
The essential improvements will secure the future of the infrastructure and allow continued access for vehicles to a busy industrial estate at Willesden.
Author's summary: October half-term brings changes to West London train services.