The East Coastway line is a railway line along the south coast of Sussex to the east of Brighton, England. Trains to the west of Brighton operate on the West Coastway line. Together with the West Coastway and the Marshlink line to the east, the line forms part of a continuous route from Havant to Ashford. The Brighton Main Line route to Eastbourne and Hastings, via and , shares the East Coastway line east of Lewes station. The train operating company Southern refers to the routes on this line as "East Coastway" or "Coastway East". The trains running under the East Coastway name serve stations between Brighton, Lewes, Eastbourne, Hastings, Ore and Ashford, together with the branch line to Seaford. A closed branch to Kemptown, Brighton diverged just east of London Road Station. Route Brighton to Lewes (East Branch) From Brighton, trains using the East Coastway line use mostly the eastern platforms, travel along the Brighton Main Line before turning east over the 28 arch London Road viaduct giving views of the housing in Preston and Withdean in the north and the city to the south, before heading into a cutting where London Road (Brighton) is situated. The line climbs on a 1 in 258 gradient, through the first tunnel, Ditchling Road Tunnel, 63 yd (58m) in length. Shortly afterwards lay the junction for the Kemp Town branch, closed in 1971. Continuing the climb the route passes , opened 12 May 1980. Crossing Hodshrove Viaduct the gradient starts to increase to 1 in 99 reaching on a 1 in 93 gradient, then levelling out in Falmer Tunnel, 490yd (441m). The route now descends towards Lewes though the South Downs along a 1 in 88 gradient for around 4 miles, through the site of the former Lewes Priory, then levelling out at . Keymer Junction to Lewes Leaving the Brighton Main Line at Keymer Junction, just south of , the route turns south west passing through the northern edge of Burgess Hill and gently descending to . The line speed along this section of the line reaches 90 mph still descending towards Cooksbridge slowing to 70 mph and passing Hamsey level crossing and turning south to run near the River Ouse and entering Lewes Tunnel, 395 yards and into . Lewes to Eastbourne Lewes has been the junction for other routes, two branch lines to the north: one for Eridge via