Northfleet
Borough of Dartford
Borough of Dartford
Enfield
Grays
Romford
Tottenham
Enfield
Epping
Gravesend
Enfield
Edmonton
Barking
Buckhurst Hill
Tilbury
Tilbury
Chadwell Heath
North Woolwich
Roding
Jubilee
Epping
Dagenham
Grays
Dartford
Enfield Highway
Goresbrook
Dagenham
Dagenham
Erith
Dartford
Dagenham
Purfleet
Purfleet
Enfield Lock
Tilbury
Goresbrook
Tilbury
Waltham Cross
Grays
Dartford