CNN Don Lemon Tonight June 4, 2024 02:50:00
By the black box on the train. it has forward looking equipment. they will be pulling the camera. it will have the train speed, when the wrisl whistles and hor was sounded, there are regulations how far before the crossing the audible signals have to be sounded. speed of the train. when the opening near and train control personnel applied the brakes. that gives them an idea when they saw the obstruction on the track. so because of that black box they will have an awful lot of information to star...
Source: archive.org