The lines to Penrith (closed in 1962), Barnard Castle (1964)[REF] and Richmond (1969) have now gone (along with the bays at the northern end of the station, now used for car parking), but the main line (electrified in 1991) and the Tees Valley route remain busy.
In the 1980s a replica set of Darlington Railway Station was built for an episode of Noel's Saturday Roadshow for the BBC.