Grays railway station is on the London, Tilbury and Southend line serving the town of Grays, Essex. It is 19 miles 70 chains (32.0 km) down the line from London Fenchurch Street via Rainham and is located at the junction where a branch line from Upminster via Ockendon re-joins the route from Rainham. Its three-letter station code is GRY.