Union Pacific to Spend $1B to Upgrade 600 Older Locomotives Union Pacific is one of the nation’s largest railroads with a network of 32,400 miles of track in 23 Western states.

Union Pacific will spend more than $1 billion to upgrade 600 of its old diesel locomotives over the next three years and make them more efficient, but regulators still want it to do more to cut ...

Union Pacific has 1,500 locomotives in storage, according to a recent conference presentation. The company reduced its headcount by 4,100 employees due to falling volumes of freight as of Feb. 5 ...