Common crossings in 109 lb./yd. F.B. rail: Service trials with point rails of various hardnesses and steels in standard built up crossings (E.391D)

This report describes the performance in service of facing Dummy" crossings provided with eight different types of point rails. These point rails were of different steels, or of ordinary rail steel heat treated to different hardnesses, or hardened by different methods. 3 crossings were involved altogether in the tests which...