I went a bit OTT during my last order breakdown prediction / suggestion. So I've simplified it without taking any vehicles from Riverside.

New vehicles (including 6338-6340) are highlighted in blue

Consett (3x spare covering PVR 30x):
- Volvo B9TL 6096-6099 - X-Lines X5/X15
- **Spare (X-Lines)** Volvo B9TL 6100
- **Spare (X-Lines)** Wright StreetDeck 6307
- Wright StreetDeck 6326-6333 - X-Lines X31/X45/X46
- **Spare (X-Lines)** ADL E400MMC 6336
- ADL E400MMC 6338-6341 - X-Lines X30
- Wright StreetDeck 6364-6372 - X-Lines X47/X70/X71
- Wright StreetDeck 6373-6377 - X-Lines X31/X45/X46

Washington (1x spare covering PVR 14x):
- **Spare (X-Lines)** ADL E400MMC 6337
- ADL E400MMC 6342-6355 - X-Lines X1

Deptford (1x spare covering PVR 11x):
- **Spare (GoNE)** Volvo B9TL 6084
- Volvo B9TL 6085-6095 - Fab 56

Chester Le Street (2x spare covering PVR 23x):
- Wright StreetDeck 6301-6304 - Angel 21
- **Spare (GoNE)** Wright StreetDeck 6305-6306
- Wright StreetDeck 6315-6325 - Angel 21
- Wright StreetDeck 6356-6363 - X-Lines X21

Percy Main (3x spare covering PVR 29x):
- Volvo B5LH 6056-6068 - Coaster 1A/1B
- **Spare (GoNE)** Volvo B5LH 6069-6070
- **Spare (GoNE)** Volvo B9TL 6101
- Volvo B9TL 6102-6117 - Cobalt & Coast 309/310/311

Riverside (PVR 30x) & Hexham (PVR 7x) (5x spare covering PVR 37x):
****Higher spare ratio at Riverside & Hexham due to X9/X10****
- Volvo B9TL 6001-6007 - Crusader 26/27
- **Spare (GoNE)** Volvo B9TL 6043-6044
- Volvo B9TL 6045-6047 - Tyne Valley Ten 10/10A/10B
- **Spare (GoNE)** Volvo B9TL 6048
- Volvo B9TL 6049-6055 - Crusader 26/27
- Volvo B9TL 6071-6083 - Tyne Valley Ten 10/10A/10B
- Volvo B5TL 6308-6314 - X9/X10
- **Spare (X-Lines)** Volvo B5TL 6334-6335