Show SIGNAL ERROR BLAMED r FOR TRAIN COLLISION WASHINGTON April 19 An P error in interpretation ion of a hand band signal signal sig- sig nal given by a switch tender was blamed by the safety bureau of the interstate commerce commission today to to- day for n a collision between a Union Pacific railroad passenger train and equipment of another train in which 26 p rons were hurt in San Bernardino Bernar Bernar- dino Cal December 29 The accident occurred on tracks of the Atchison on Topeka Santa Fe railWay rail rail- way over which the Union Pacific train was operating I |