The Chicago Tribune reported on July 7 that in addition to OSHA, “the National Transportation Safety Board said Monday it will investigate the deadly collision on Walt Disney World’s monorail, an unprecedented move by a federal agency best known for probing airline crashes.”

Washington DC train crashes into stopped train
Addressing the deadly Washington D.C. train crash Debbie Hersman of the National Transportation Safety Board said the operator of the train that “slammed into a stationary train in front of it apparently had activated the emergency brakes in a failed effort to stop before the accident.” as reported