So it probably means that the average rate of dangerousness among all Mexican trucks is dramatically lower. Of greater interest is the report's focus on Mexican truckers who violate the law and operate beyond the 20-mile area north of the border. The DOT distinguished between those that are beyond the 20-mile border but still operating within one of the four border states of California, Arizona, New Mexico and Texas, vs. those who are roaming freely beyond those border states. A nice confirmation of the hypothesis that even Mexican truck drivers like safety after all. And they pursue it rationally.
Safety is more important on a long trip than a short one.
The other interesting aspect of the study is that it highlights two examples where trucks had to be removed from service. A Mexican truck on its way to Florida to deliver furniture was stopped in Louisiana. The driver was placed out of service. Unable to read or speak English sufficiently A Mexican bus with passengers aboard was enroute to Las Vegas from Tijuana, Mexico, on December 30th. Both the driver and the vehicle were placed out of service by the Nevada safety inspectors.