(1) Wherever by the laws of the state of Idaho any vehicle with a maximum gross weight or registered gross weight, or operated at a gross weight, of twenty-six thousand one (26,001) pounds or more, excepting those transporting placardable quantities of hazardous materials, is used to transport any merchandise, product, commodity, or livestock within the state, within the state to without the state, or from without the state to within the state, the owner or operator of either the motor vehicle or trailer, as defined in chapter 1, title 49, Idaho Code, used to transport such merchandise, product, commodity, or livestock is hereby required to stop at such ports of entry or checking stations established by the Idaho transportation department and submit to inspection, grading or weighing for compliance with the laws of the state of Idaho. Noncommercial vehicles, as defined in section 49-123(2)(k), Idaho Code, shall not be required to stop for inspection pursuant to this section.
(2)  Vehicles or combinations of vehicles with a maximum gross weight of ten thousand (10,000) pounds or more transporting placardable quantities of hazardous materials are required to stop at all ports of entry or checking stations established by the Idaho transportation department.
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Terms Used In Idaho Code 40-511

  • Probable cause: A reasonable ground for belief that the offender violated a specific law.
  • State: when applied to the different parts of the United States, includes the District of Columbia and the territories; and the words "United States" may include the District of Columbia and territories. See Idaho Code 73-114
(3)  It shall be the duty of such owner or operator of every motor vehicle or trailer to drive the motor vehicle or trailer upon any state-owned inspection station, stationary or portable scale, or private scale, certified by the state of Idaho, when requested to do so by any peace officer, excepting fish and game officers, or authorized employees of the Idaho transportation department.
(4)  Authorized employees of the transportation department may stop any vehicle with a maximum gross weight of eighteen thousand (18,000) pounds or more by displaying a flashing red light if the authorized employee has probable cause to believe the vehicle bypassed a weighing or inspection station or proceeded through the station without regard for the directional signals. Authorized employees may direct a vehicle that has bypassed a weighing or inspection station, or has proceeded through the station without regard for the directional signals, to return to the bypassed inspection or weighing station and may issue a citation for failure to stop as required in this section. The operator of a vehicle shall bring the vehicle to a stop, pulling off the traveled portion of the highway, when directed to do so by an authorized employee of the transportation department by use of emergency lights or siren.