Nissan and Walmart say they have effective plans to minimize impact of West Coast port delays.
First lock gate for new Pacific entrance of the canal was installed.
Despite presence of federal mediator 'no further agreements have been reached.'
Port director's tenure has seen projects to deepen harbor, raise Bayonne Bridge, expand marine terminals and intermodal rail.
Hueneme CEO says port could offer relief valve for congestion.
Consensus shows better growth than other parts of world.