(12 Mar 2021, 8:54 pm)MichealAaron wrote Something I don't understand. If the 11 41 or 19 break down. Mostly a decker or Scania OmniCity gets put on. But when it's the 42/42A why is it a solo

I don't know the routes concerned, but there may be a low bridge, or some overhanging trees somewhere, that preclude the use of deckers?