The merger would create the United States’ first coast-to-coast rail network, spanning 50,000 miles and 43 states.

The largest rail union in the United States said on Tuesday it intends to oppose Union Pacific's proposed $85 billion ...

Union Pacific Corporation has acquired Norfolk Southern Corporation for $85 billion, creating a $250 billion transcontinental ...

Union Pacific offers $20 billion cash and one share of its stock to buy Norfolk Southern Tuesday in a merger that could ...