The railroad said it identified cases in which wheels were moving in an unusual way, then alerted the National Transportation Safety Board and the Federal Railroad Administration to the problem. Nonetheless, in the face of outrage from residents in East Palestine, who have questioned whether their air and water are safe after the derailment, Ohio’s senators have become leading voices for improving safety in the industry. Maryland traffic: Toll road operator withdraws from plan to develop lanesTransit: Switch to automated trains gets green signal from Metro boardAir safety: Former White House official dies of injuries after jet turbulence