Misuse of B-1 visas undercuts US trucking industry, observers say Sources say violations occur in cities along both the Mexican and Canadian borders 1 207 8 minutes read Sources say the misuse of B-1 visa drivers creates an unjust but significant savings to U.S. carriers that set up outsourced B-1 driver fleets at a lower cost. Pictured is a truck crossing the border in Laredo, Texas. (Photo: FreightWaves staff) Jessie Maldonado’s family’s trucking company has been in business for around 30 years in Nuevo Laredo, Mexico. The cross-border firm also has operations across several other Mexican cities, as well as a location in Laredo, Texas.