Test of track stability - Upper Broughton March-April 1976 (TM-FT-71)

1.1 Following previous work in Assessing the ability of freshly tamped curved track to withstand the forces placed on it by the A.P.T. - E, running at high speeds, further tests have been carried out to consider the effect of conventional trains on track in such condition, the A.P.T. -...