I don't think this has come up before; a search isn't revealing anything. Apologies if it has!
One thing I was wondering about is how school bus diagramming worked in NBC, or very early privatisation days (let's say 70s and 80s) in areas where commuter peak extras also ran.
In theory, I can imagine that in the afternoon, a given vehicle could efficiently work both. A bus working a school journey could then go on and run a peak extra from a large town or city bus station, as schools finished considerably before the end of the working day. I'm not sure if this actually happened though, as I did not live close to a city big enough to have peak extras in the 80s.
In the morning it would be more difficult, as the school and commuter peaks coincided.
So I'm wondering how such services were planned in practice? One might guess that the morning had a larger vehicle requirement than the evening as a result of this, and certain vehicles were thus only needed in the morning.
One thing I was wondering about is how school bus diagramming worked in NBC, or very early privatisation days (let's say 70s and 80s) in areas where commuter peak extras also ran.
In theory, I can imagine that in the afternoon, a given vehicle could efficiently work both. A bus working a school journey could then go on and run a peak extra from a large town or city bus station, as schools finished considerably before the end of the working day. I'm not sure if this actually happened though, as I did not live close to a city big enough to have peak extras in the 80s.
In the morning it would be more difficult, as the school and commuter peaks coincided.
So I'm wondering how such services were planned in practice? One might guess that the morning had a larger vehicle requirement than the evening as a result of this, and certain vehicles were thus only needed in the morning.