Union Pacific and Norfolk Southern UP-NS Merger Application Refilling (Regulatory Review with CPKC Opposition)

Union Pacific (UP) and Norfolk Southern (NS) refilled their merger application with the U.S. Surface Transportation Board (STB) after initially filing and later submitting revised materials. Canadian Pacific Kansas City (CPKC) publicly commented and urged stakeholders to participate, arguing the mega-merger is unnecessary and raises public-interest and market-power concerns.