Although progress has been made with quakeproof reinforcement works for various structures since the Hyogoken-Nanbu-Earthquake (1995 Kobe Earthquake), this has not yet included masonry wall reinforcement. We therefore carried out investigations into the current condition of masonry walls constructed along railway lines, and performed some experiments with a scale model of a masonry wall using a shaking table. This paper: (1)provides an outline of new quakeproof reinforcement methods for masonry walls; (2)reports on the shaking table tests carried out to verify the effectiveness of the methods; and (3)gives the study results obtained using execution methods applicable to substantial reinforcement works.