As the Nebraska explosion made clear, there can be problems that are hard to spot before potentially disastrous accidents occur. Some details about the explosion might never be known because the shipping container carrying the acid was destroyed. Union Pacific CEO Jim Vena said he understands and welcomes the agency's scrutiny. Vena said Union Pacific and other major railroads have become safer over time. “And that’s what I’m challenging the team with here at Union Pacific is we have to get better ... We’ll invest in it.

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Persons: haven’t, ”, Andy Foust, Warren Flatau, Pete Buttigieg, —, Foust, “, hasn’t, Dennis Thompson, Thompson, Jim Vena, Vena, We’ll, Charlie King Organizations: —, Union Pacific, Federal Railroad Administration, . Transportation, Rail, Transportation Workers, Transportation Division, . Railroad, Materials Safety Administration, Norfolk Southern, Platte Fire, Pacific, of Railroad Infrastructure Locations: OMAHA, Neb, Nebraska, North Platte , Nebraska, Omaha, Norfolk, Ohio, railyard, Palestine