Due to a number of other recent accidents involving Cause_to_be_included Metro-North trains and tracks , the Federal Railroad Administration ( FRA ) demanded Request improved Cause_change_of_position_on_a_scale safety measures , which Metro-North began Process_start implementing Hold within a week of the accident .

The report Reporting faulted Judgment_communication both Metro-North for not screening its employees Employment in sensitive positions Placing for sleep disorders , and the FRA for not requiring railroads do such screening .

In the aftermath , drug and alcohol procedures for train crews were overhauled Reforming_a_system by the Federal Railroad Administration ( FRA ) , which is charged with rail safety .