Erith
Enfield
Enfield
Dartford
Barking
Ilford
London
London
London
London
London
Romford
London
Dartford
Greenwich
Upminster
Redbridge
London
Highams Park
Canary Wharf
Upminster
Lewisham
London
London
Ilford
Upminster
Grays
West Thurrock
Surrey Docks
London
London
Hornchurch
London
London
Grays
Harlow
Enfield
Harlow
Romford
Romford Town