Romford–Upminster line
The Romford–Upminster line is a railway branch line in Greater London. It connects , on the Great Eastern Main Line, to Upminster, on the London, Tilbury and Southend Line and London Underground. The route is  long and there is one intermediate station at Emerson Park. The line is single-track throughout and is electrified at 25 kV AC. The speed limit is .