A federal board on Wednesday approved a Canadian Pacific Railway merger with Kansas City Southern, creating a freight rail system linking North America. The deal is the nation’s first major rail ...

Also on the list was the Southern Pacific Railroad Depot (1926), which was listed on the National Register of Historic Places in 2012, and the American Railway Express Agency building (1926).

The Surface Transportation Board approved the merger of Canadian Pacific Railway and Kansas City Southern Railroad in the nation’s first major rail merger since 1998.

The first major railroad merger in more than two decades will go forward after federal regulators approved Canadian Pacific’s $31 billion acquisition of Kansas City Southern.