Allens West Bishop Auckland Darlington East Coast Main Line Heighington Network Rail Northern Rail News Railway Heritage Railway Heritage Trust standard gauge Stockton Stockton & Darlington Railway New lineside signs to mark Stockton and Darlington Railway bicentenary Guest authors March 10, 2025 0 New signs are to be installed along the surviving parts of the 1825 Stockton-to-Darlington line to inform passengers of the historical significance of the line.