The definite time, not the number of trips..
eg take 115 for instance, first bus 0715 last bus 1815, bc must
leave punctually to return bus to depot, wash bus, refuel bus,
clean bus then go home about 1900 hrs liddat then can go back
home
if count by trips then is diff thing, for instance, premium
services, short-working trips
What about feeder services like svc 243 ? They wake up as early as
4 something, work till midnight , after doing all the things they
need, they get back home around 1 am . 3 hours sleep only ? Not
only feeder svc too.Isn't that quite tiring?