1. Railbus have cabins at both ends of the car, and do not require a turn.

2. Services were operated mainly by class 515 accumulator railcars and class 798 Uerdingen railbuses, but there were also locomotive-hauled trains.

3. The Bundesbahn's central office (Bundesbahn-Zentralamt) in Munich, in cooperation with the Waggonfabrik Uerdingen, began with the concept of a Class 628 local, passenger, multiple-unit, that were to replace the railbuses, the accumulator railcars of Class 515.

4. EPITHET – an adjective or adjectival phrase, also Apathaton, EPITHETON; HUMANIST – one who studies human nature; GLADSOME – feeling pleasure; DAMOSEL – (archaic) a young girl or unmarried woman, also DAMOISEL, DAMOISELLE, DAMOZEL, DAMSEL, DEMOISELLE; OVERDOER – one who overdoes; RAILBUS – a passenger bus on rails