(10 Mar 2015, 5:10 pm)MarcTheA4 wrote Whoops! Typo - I contacted National Rail not Network Rail!
You're better off buying an Explorer, as things are complicated.
http://www.networkonetickets.co.uk/ticke...er-tickets
(Look at the Metro, Bus, Train and Ferry section in orange, it states "Most buses, Blaydon to Sunderland rail service and Shields Ferry")