It's ironic that in the UK the default rail loading gauge is less than mainland Europe, whereas the default road gauge is greater. Double deck UK buses go back to double deck tramcars, and take advantage of the height standards once used for those.
One of the quite significant reasons for the continued usage of such buses, once established, is their economy of storage space at the bus garage; replace a city double deckers by single deckers and you are looking for additional land for overnight garage accommodation.
One of the quite significant reasons for the continued usage of such buses, once established, is their economy of storage space at the bus garage; replace a city double deckers by single deckers and you are looking for additional land for overnight garage accommodation.
When Sydney, Australia first introduced double-deck trains (now universal) they only built the trailers, of 4-car sets with single deck motor cars at each end, operated in 8-car formations, giving a bizarre up-down-up-down roofline along the train.is their economy of storage space at the bus garage; replace a city double deckers by single deckers and you are looking for additional land for overnight garage accommodation. The Austrians their own style too - on the Friday before last I travelled from St. Pölten to Wien Westbahnhof on a coaching set (propelled by a Vectron loco) which had a double decker at either end bookending several single deck vehicles!