Railroad operator Union Pacific has said it is in “advanced discussions” with rival Norfolk Southern over a possible megamerger, which could create a transcontinental US railway valued at more than ...

Union Pacific Corp., North America’s largest railroad, is in advanced discussions with Norfolk Southern Corp. about a potential tie-up in what would be the industry’s largest deal ever.

Pace board of directors voted unanimously on July 16 to make the service improvements that debuted last August permanent. The ...