Reduced Service : ELIZABETH LINE: Monday 9, Tuesday 10 and Wednesday 11 February, after 2200 each evening, a reduced service operates between Paddington and Heathrow Terminal 4 / Maidenhead. Two trains an hour serve Heathrow Terminal 4, West Drayton, Langley, Slough, Burnham and Maidenhead. Four trains an hour serve Heathrow Terminals 2 and 3. Six trains an hour serve Ealing Broadway, Southall and Hayes & Harlington. After 2300, trains will not call at Acton Main Line, West Ealing and Hanwell.