(16 Aug 2015, 9:34 am)Andreos1 wrote No idea if it is to do with the closures today on Teesside, but passengers were treat to a 156 on the Darlo - Saltburn line. Big step up to the usual 142's.
Yes I would guess that is the reason behind it. They had to ensure the correct units are in place for Monday morning of which some of the early services from Middlesbrough are 156 operated