Bus garages, or depots if that is your preferred nomenclature, come in all shapes and sizes and basically had their origins in the tram depots which were established by the various tramway companies of the pre-electrification era. Tram 'depots', as a place to house railed vehicles was commonly referred to, were originally built for horse-drawn and steam-hauled tramcars and, in the case of the former, often had stables attached.Hardly any two bus garages...