He pulled the union out of investigation for violating confidentiality rules . `` PTC would have sounded an alarm as soon as the train exceeded the speed limit , '' said Harrod . A lawyer for the engineer describes what happened as ` ` highway accident '' ` ` I think most people are inclined towards human error , '' union spokesman says . The crash on New York 's Hudson line killed four and injured 67 others .
He pulled the union out of investigation for violating confidentiality rules . A lawyer for the engineer describes what happened as ` ` highway accident '' ` ` I think most people are inclined towards human error , '' union spokesman says . The crash on New York 's Hudson line killed four and injured 67 others .