(03 Aug 2014, 8:41 pm)aureolin wrote But if your customers are packed like sardines on a single decker, doesn't that provide the justification to provide a double decker? It's either that or the frequency needs looking at, which can often be more expensive than just providing double deckers in the first place...
Trouble with the 36 is the heavy loadings are only a maximum 10 mile stretch of the route, the rest is sparse enough to justify a single deck.