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stop. For this purpose one should avoid having objects higher than 4 m in the stops (e.g.lampposts, trees, etc...). This of course is not necessary, if all trolleybuses have the ability torun without overhead wire for a short section.4.4. Trolleybus & motorbus synergiesThe trolleybus is considered as “some kind of bus” not only by the unconcerned public butalso by many policy- and decision-makers, realising the overhead collectors as the onlydifference. Though there are many synergies between trolleybuses and other types of buses,they are diverse in a number of aspects. All types of buses use the same lanes; howevertrolleybuses and electric battery buses might have a bigger impact on road structure becauseof their higher axle load. Trolleybus drivers need special training in addition to other busdriving principles. Buses and trolleybuses are now based on the same body and chassiswhich facilitates their heavy overhaul and accident damage repairs. On the other hand, thedaily maintenance and regular checks are so specific that overall the majority of work is doneby specialists – the survey among Czech operators shows ca 25 % of common maintenancestaff, 40 % of high voltage electro specialist and 35 % of diesel engine mechanical specialistsworking in common depots.58