
OMAHA, Neb. & ATLANTA--(BUSINESS WIRE)--Union Pacific Corporation (NYSE: UNP) and Norfolk Southern Corporation (NYSE: NSC) today submitted the first portion of their responses to the Surface Transportation Board's (STB) May 28, 2026, request for additional information to support their accepted merger application. Today's filing addresses the STB's questions regarding Terminal Railroad Association of St. Louis (TRRA), Kansas City Terminal Railway (KCT) and TTX Company. These entities are jointly.










