To improve safety according to a change in an external environment by providing an external handrail in the alighting port of an omni-bus or the like.

Regarding a high-floor omni-bus 5 or the like, an alighting port has an alighting port stair middle step floor 6 and an alighting port stair lower step floor 7. An external handrail 1 is associated with an alighting door opened/closed around an alighting door rotary shaft 9, made usable by the opening of an alighting side middle folding door 3 and stored in an external handrail storing device 4 by the closing of the door. The external handrail 1 is fixed to the alighting side middle folding door 3 through an external handrail attaching hole by an external handrail attaching metal fitting. An external handrail end slipping stop 15 is fitted in the upper tip of the external handrail 1. By an outer face alighting door hinge 2, the door is connected, and an alighting side middle door opening/closing operation rod 8 connected to an alighting side middle door opening/closing operation rod shaft 10 attached to the lower part of the alighting side middle door 3 is moved by oil pressure in an hydraulic cylinder 12 including an hydraulic cylinder rotary shaft 11.