Class 170s are definitely DOO capable and I would expect Class 172s to be DOO capable as well given that post privatisation stock is expected to be capable of DOO operation.
With respect, all trains are capable of being DOO. But not all of them can be DOO with punters on board.
Network Rail does need to improve its operations, but having a go at the very workforce that makes it functional is not the way to go about it. Already in many depots they are short staffed with managers regularly offering overtime to try to get the work done.
I don’t know about current figures, but not many years ago, apparently about 50% of all Network Apprentices left the company. If the terms and conditions, and the working practices become worse combined with well below inflation pay rises (and keep in mind when this dispute started, most railway companies were not intending for there to be any pay rise whatsoever), the staff turnover will continue to get worse.
With a lack of trained and experienced staff, expect the passenger experience to get considerably worse.
Network Rail needs to look at all areas where it spends money. There is waste absolutely everywhere. All the way from the storage of spares for equipment that no longer exists through to having to pay large amounts of money to contractors to cover for the lack of permanent staff.
A significant increase in costs in recent years, is the increased costs of far more staff working nights, as they ban us from working with lookout warning systems. Modern technology could be used to significantly improve the safety of lookout warning systems. And in the longer term, it’s logical to include facilities in signal interlocking systems to provide improved staff warning/safety systems.
Network Rail also needs to stop replacing infrastructure that is very far from being life expired. I’ve seen point machines and signals that are perfectly good, in skips due to a renewal scheme where everything gets renewed regardless of its condition.
And as well as the actual OHL equipment, the GW electrification scheme resulted in brand new signals having to be provided, even though less than five years earlier new cables and signal heads had been provided in place of the existing signal heads.
Also, the quality of some of the ‘new’ equipment is nowhere near as good as the equipment that it replaces.
I know that it’s not intended to last for thirty years, as ETCS will replace it. But until then, unreliability costs money.