08/02/1853Londonderry Railway
Start of work on line from Seaham to Hendon Dock, Sunderland. To be built as Seaham Harbour at capacity.
  /  /1855Durham and Sunderland Railway Hartlepool Dock and Railway
Following a North Eastern Railway study of Sunderland to Hartlepool services a connection at Haswell, alterations at Seaton and Murton and a new staton for Sunderland are recommended.