A B-1 driver is a Mexican commercial driver using a B-1 business visitor visa to deliver or pick up international freight inside the U.S. B-1 drivers may run the international leg but cannot legally move domestic point-to-point U.S. freight, which is cabotage.
A B-1 driver is a Mexico-domiciled commercial driver who enters the United States on a B-1 business visitor visa to handle international freight: delivering a southbound-origin load into the U.S., picking up a northbound-destined load, or repositioning as part of that international movement. The B-1 framework is what lets Mexican long-haul carriers run loads beyond the border commercial zone with their own drivers.
The hard limit is cabotage: a B-1 driver cannot legally haul freight between two U.S. points as domestic commerce. The freight must be moving under an international bill of lading for the driver's presence to be lawful.
This is one of the defining compliance topics of cross-border trucking in 2026. Enforcement attention around driver status, including B-1 compliance and related rules like English language proficiency checks, has tightened, and consequences run from driver visa cancellation to carrier exposure, which directly affects how much cross-border capacity is available and how it is priced. For brokers the bright line is simple: never tender a U.S. domestic load to a Mexican carrier's B-1 driver, and treat any carrier that offers it as a compliance red flag. Understand, too, why a Mexican carrier's U.S.-side flexibility is limited: that driver legally needs an international move to take home, which is part of why empty returns and round-trip pricing exist. See the Mexico 101 Guide for the capacity model behind this.
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