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PMA said ships will not load or unload cargo Thursday, Saturday, Sunday or Monday due to continuing ILWU slowdowns.
With container trailers in short supply, some shippers and truckers are creating dedicated fleets.
PMA neither loaded nor unloaded ships over the weekend, leaving yard and gate operations up to individual terminals.
The Maersk Garonne was pulled free early Saturday morning, just hours after running aground.
On-time performance is being hampered by congestion at West Coast ports.
DHS funding crisis means the agency will have to focus resources on border security, cargo clearance