Calling at: Heathrow Airport T123, Hayes & Harlington, Southall, Hanwell, West Ealing, Ealing Broadway, Acton Main Line, London Paddington, Bond Street, Tottenham Court Road, Farringdon, London Liverpool Street, Whitechapel, Stratford (London), Maryland, Forest Gate, Manor Park, Ilford, Seven Kings, Goodmayes, Chadwell Heath, Romford, Gidea Park, Harold Wood, Brentwood, Shenfield