To protect legs of a passenger from impact by deformation of a compartment front plate part at the time of collision.

A foot rest 11 where feet (a) are to be placed is installed on a support member 10 extended from a seat cushion part 6 of a seat 4 forward, and the foot rest 11 is supported at a position apart from a compartment front plate part composed of a toe board 2 and a dash board 3. A shin bearing part may be installed to be rotatable upward around a shaft at an upper end of it as a support point to lift the shins of a passenger by rotation of the shin bearing part upward to place his feet to float from the toe board or a pedal.