(07 Sep 2015, 8:49 pm)northern156 wrote Explorers are not valid between Metrocentre and Newcastle.
(08 Sep 2015, 11:46 am)GX03 SVC wrote If I haven't got a fine/full return it must be valid to Metro Centre/Blaydon...?
See above quote.
The booklet a guard normally has is a fares manual; local interchangeable tickets such as Explorers probably won't be in there unless it's been added in by the company.