kgw.com | Union Pacific agrees to changes after oil train derailment in the gorge kgw.com (AP) — 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 sprawling network. Following Oil Train Derailment, Feds Tell Union Pacific To Improve Track Inspections Feds, Union Pacific strike deal to boost oil train safety standards |