SFGate | Oil transporter accepts stricter safety measures SFGate BILLINGS, Mont. — The nation's largest freight railroad has agreed to more thorough inspections and maintenance improvements after a fiery oil train derailment in Oregon and the discovery of more than 800 potential safety violations across its ... Following Oil Train Derailment, Feds Tell Union Pacific To Improve Track Inspections Feds, Union Pacific strike deal to boost oil train safety standards |