The potential work stoppage for tens of thousands of dockworkers could create a supply chain problem with impacts far beyond the ports.

Dockworkers could strike as soon as Oct. 1, shutting down every container port on the East and Gulf Coasts. Here's how that would impact Arizonans.

Tens of thousands of dock workers on the East and Gulf coasts could strike at midnight on Monday if there is no contract agreement. A strike could cost billions of dollars a day and snag supply chains as the holidays approach.

It is growing ever more likely that tens of thousands of dockworkers in contract negotiations will soon go on strike, snarling up supply chains and costing billions of dollars just weeks before the election.

A looming strike at East and Gulf Coast ports threatens to disrupt supply chains at the height of peak import season. While businesses have prepared, experts warn of billions in economic losses if the work stoppage lasts.