The turmoil in Laredo started soon after President DonaldTrump's threat to put tariffs on Mexican goods. It hasn't let upsince—even after he backed down.

“It's a logistics nightmare,” said Jose Gonzalez, a customsbroker in the Texas border town that just this year became thelargest U.S. port of entry. He's hired by companies to ensure goodscross the border in top shape and would pay any tariffs upfront.

Last week, Gonzalez fielded dozens of calls from factories andorganized to double some orders before the levies took effect.After Trump lifted his threat Friday night, companies franticallymessaged again to resume their regular delivery pace. This week, hewas still dealing with a crunch of resources and space, findingthat for every truck in Laredo, there were about two loads thatneed to be moved to their final destinations.