(26 May 2023, 6:22 pm)busmanT wrote PVR looks to be 4 according to bustimes.org - 6 buses to run the timetable but with two buses dropping in/out to do schools on the 28S and 4.
5367 and 5399 were the two that did schools around the 8 today 

https://bustimes.org/vehicles/gnel-5399?date=2023-05-26
https://bustimes.org/vehicles/gnel-5367?date=2023-05-26

When talking about PVR - does PVR mean the maximum number of vehicles needed to run over a sustained period of time or just the number needed during the M-F peaks? If it's the former, then surely the PVR of the 8 is 6 - as the 2 buses that drop out to do school runs are only for a few hours in the morning/afternoon, whereas most of the day (and on Saturdays) it's 6...