Lines reopened: disruption between London Paddington and Heathrow Airport / Reading 

Route(s) affected

Elizabeth line between Shenfield and London Paddington / Heathrow Airport, and also between Abbey Wood and Heathrow Airport / Maidenhead / Reading

All Great Western Railway between trains to / from London Paddington

All Heathrow Express trains to / from London Paddington

Description

Disruption caused by a fault with the signalling system at West Drayton has now ended.