fatal Metro-North derailment
Along a nine-mile stretch between Port Chester and Stamford, the system has gone from three rush hour direction tracks to two.
The railroad has been beefing up its power supply system since a Con Ed feeder cable blew out in Mount Vernon late last September. Service came to a screeching halt on the New Haven line for nearly two weeks.
A medical document made available Monday by the National Transportation Safety Board said engineer William Rockefeller has “severe obstructive sleep apnea.”