To reduce assembling processes by largely reducing the number of part items constituting a rolling stock structure.

A stainless side structure 3 is constituted of a window block 4 of which a core material and an inner plate are welded and connected to an outer plate including a modesty panel part and a side entrance block 5 of which the modesty panel part is integrated with an entrance frame plate. The window block 4 and the side entrance block 5 are welded and connected. A stainless joint member 15 connected by rivet, with a hollow part 2a formed on a car outside end of a roof structure 2 made of an aluminum hollow material is welded and connected with the window block 4 and an outer plate end of the side entrance block 5. A stainless tie metal 15 welded and connected with the window block 4 and the outer plate end of the side entrance block 5 is connected with a car interior end of the roof structure 2 by a rivet 18.

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