California Violation Code 22406 – Exceeding 55 mph commercial truck driver speed or speed while towing

Definition of violation code 22406

Violation code 22406 states that no person may drive any of the following vehicles on a highway at a speed in excess of 55 miles per hour:

  • A motortruck or truck tractor having three or more axles or any motortruck or truck tractor drawing any other vehicle.
  • A passenger vehicle or bus drawing any other vehicle.
  • A school bus transporting any school pupil.
  • A farm labor vehicle when transporting passengers.
  • A vehicle transporting explosives.
  • A trailer bus, as defined in Section 636.