This post was originally published on this site
The Pennsylvania derailment Wednesday was about 20 miles from the site of a Feb. 3 East Palestine, Ohio Norfolk Southern-operated train incident that caused cars carrying toxic vinyl chloride and other hazardous chemicals to spill and catch fire.
Since December 2021, NTSB has launched investigations into at least six significant accidents involving Norfolk Southern, including the East Palestine incident. In March the safety board said it was opening a special investigation into the railroad.
