Transport vehicle walkway assembly

A walkway assembly for a transport vehicle, the assembly comprising:

• a framework with fastening means on a body of the transport vehicle, the framework delimiting a lateral opening;
• a swiveling floor located during operation in a proximity of a door of the transport vehicle for forward motion of travelers, the swiveling floor comprising a surface for forward motion and being mounted in a swiveling manner in relation to the framework about a first swivel axis provided opposite to the lateral opening;
• an intermediate device located below the surface for forward motion, the intermediate device mounted in a swiveling manner in relation to the framework about a second swivel axis that is substantially coincident with the first swivel axis, the intermediate device and the swiveling floor able to swivel relative to the framework in a mutually independent manner;
• a sliding system that is movable in translation in relation to the intermediate device between a stowed position and a deployed position, the sliding system and the surface for forward motion forming a ramp that extends through the lateral opening.