(11 Aug 2013, 7:46 pm)gtomlinson wrote Loadings would make sense, I've never seen more than 3 or 4 people on it. I'd suggest a Solo is probably overloading it.
It's a prime candidate for a TaxiBus
A couple of weeks ago I saw the Stanley MPD on the 23 at Wrekenton. It had 10 people on (I was sad enough to count them ) It can be a popular little service at times.