The driver of this semi either can't read, didn't see the sign or is a tremendous pedant. His rig does have 22 wheels, after all. [Reddit]
A high-on-drugs Dutch trucker en route to Gothenburg, Sweden, was masturbating while driving and lost control, flipping the truck and blocking multiple lanes of traffic. While in the wreckage, he kept masturbating. Under police interrogation, he kept masturbating. That's determination.