A bus construction in which a structure fastened to the chassis encloses the passenger area, and has sidewalls above the bottom of the vehicle, which are provided with a longitudinal carrier section. This section is interrupted only by door cutouts, and it connects to columns. The longitudinal carrier section is, furthermore, divided into a fixed supporting inside shell and a non-supporting easily replaceable outside shell used for covering. The supporting inside shell has a bottom arch section, and a hanger bar for the vehicle floor and for the wall-side seat fastening. The bottom arch section is staggered towards the inside, and a plate-like shell section with the two fixed supporting inside shell overlap in the vertical direction. The bottom arch section in the region overlapping the shell section is offset so that after connecting to the shell section, at least one tubular lengthwise cross-section appears. The bottom arch section and the shell section are joined underneath and above the tubular lengthwise cross-section by a substantially large number of partial welds.
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