(20 Feb 2018, 5:08 pm)mb134 wrote If a depot was ever short of vehicles, and the only available bus they had was a training vehicle, would they be able to press it into service? Or would it no longer be legally able to carry passengers?
Depends on the type of training vehicle and what sort of modifications they've had done.
Go North East's Scania L94s for example couldn't be used - they've been fitted with an additional handbrake, an instructor's seat, and two coach seats for passengers (as well as tables on some of them). This means that they undergo a different type of MOT test (Class 5).
The white coaches in the Training Fleet haven't had any of these modifications done, so still see regular use on Private Hires etc.