SWEETWATER COUNTY — The completion of the Union Pacific’s transcontinental railroad in 1869 created a voracious demand for coal, and the immense Rock Springs Coal Field, which passed beneath and ...

State water experts see no immediate risk to drinking water from a train derailment that sent a Union Pacific locomotive into the Gunnison River earlier this week. In total, two locomotives and five ...

Union Pacific, a freight rail company, is accused of violating California law after train cars spilled tons of coal last year into the Sierra Nevada’s largest river. On Feb. 11, 2024, a train with at ...

(Reuters) -Union Pacific said it expects to submit papers for its $85 billion merger with Norfolk Southern to a regulator as soon as end-November, after the railroad operator on Thursday topped Wall ...