The stock's fall snapped a four-day winning streak.

Shares of Union Pacific Corp. UNP inched 0.21% higher to $230.23 Thursday, on what proved to be an all-around mixed trading ...

Colorado officials reached an agreement announced this week allowing Union Pacific Railroad to lease the Moffat Tunnel for ...

Union Pacific wants to erect three 65-foot high monopoles along its railroad right-of-way in Manteca. A fourth is proposed in ...

An investigation is underway after a Union Pacific train derailed in Carson on Monday afternoon. Firefighters were dispatched ...

Two Union Pacific employees are dead and three people are injured after a train hit a tractor-trailer stopped on the railroad ...

The company says effective immediately, they will not have trains running for one hour during school drop-off and pick-up ...

Colorado and Union Pacific are nearing a deal to extend rail service through the Moffat Tunnel, improving mountain community ...

The state of Colorado will not have to pay a fee to Union Pacific to use its track for a Denver-Craig passenger train, while ...

Buying $1000 In UNP: If an investor had bought $1000 of UNP stock 15 years ago, it would be worth $6,871.46 today based on a ...

The agreement would help clear the way for the Polis Administration's goal of passenger rail from Denver to Craig.

HOUSTON - A major crash between a Union Pacific train and a vehicle is under investigation in northwest Houston. Around 4:15 ...