Exactly what I thought. Its also a long way short of what you need to plan a journey that involves changing buses.
Where I live it looks like I could do a lot by bus looking at just the routes, but they are infrequent and unreliable so I usually have to drive everywhere.
I don't think this is designed as a journey planning tool, it's a data visualisation showing the extent of your local bus routes and doesn't really need to be any more than that.
Unreliable? Seriously?
(I’m not from the UK, it sounds surprising.)
Google Maps is excellent for bus planning for me. Depends on your local bus company feeding times in to them though.