N.T.S.B. Will Investigate Norfolk Southern’s Safety Practices The agency said it was opening a special inquiry because the railway has had several significant accidents since late 2021. Author: Mark Walker and Peter Eavis Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)