Another example of attempts at supply chain horizontal integration for planning purposes. Various ports are getting on board.
Tacoma, Seattle ports agree on final Northwest Seaport Alliance details | The News Tribune.
Bold step: Ports of Seattle, Tacoma vote to formally launch The Northwest Seaport Alliance
Federal Maritime Commission approves Seattle-Tacoma port alliance
The Northwest Seaport Alliance just became the third-largest cargo gateway in the U.S.
Supply Chain and Logistics 