Complex sentence: The East Coastway Line, serving Eastbourne and Hastings, uses the Vale of Sussex; whilst only other railway line in the District is the Oxted Line branch terminating at Uckfield.
Split into simpler sentences: The East Coastway Line, serving Eastbourne and Hastings, uses the Vale of Sussex. The only other railway line in the District is the Oxted Line branch terminating at Uckfield.