By Julian Hattem - 09/05/13 04:36 PM EDT
“PHMSA looks forward to reviewing the public’s comments pertaining to the potential economic, environmental, and safety implications of the petitions,” it said in the proposal.
Regulators have scrambled to analyze whether their rules on train safety need to be updated in the wake of the Canadian crash.
In August, the Federal Railroad Administration announced that railroads needed to develop outlines for specific circumstances when crews can leave their trains unattended.
In the July crash, only one person was in charge of monitoring the train, which was parked overnight when its brakes failed.