With thanks to Richard Smiles, here is the fleet changes in effect from 23rd September 2014
Redcar/Whitby
1560-73 into service
4648-50 reserve for MAX refurbishement
1306-8 to Darlington
1638/4041/2/4/68/71/94/95 to disposal
Durham
1305 in from Redcar
Darlington
1306-8 from Redcar, replacing 1618/40/50
Reserve
Added are EcoCity 4812-4 and B9TL 7401-6
RE: Arriva North East - Latest