A dorsal support for supporting a passenger in a generally upright standing position while travelling in a public transportation vehicle is disclosed. The dorsal support comprises a body having a front surface extending uninterrupted upwardly from a base portion fastened to a floor surface, the front surface of the body including a planar lower portion preventing access behind the dorsal support from in front thereof and an upper portion which is integral with the lower portion and extends upwardly therefrom. The upper portion is rearwardly inclined and defines a passenger receiving area thereon for supporting at least a portion of the passenger's back such as to support the passenger in a generally upright standing position when leaning against the dorsal support.