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321.449 Motor carrier safety regulations.

A person shall not operate a commercial vehicle on the highways of this state except in compliance with rules adopted by the department under chapter 17A. The rules shall be consistent with the federal motor carrier safety regulations promulgated under United States Code, Title 49, and found in 49 C.F.R. }§ 390-399 and adopted under chapter 17A which rules shall be to a date certain.

Rules adopted under this section concerning driver qualifications, hours of service, and recordkeeping requirements do not apply to the operators of public utility trucks, trucks hauling gravel, construction trucks and equipment, trucks moving implements of husbandry, and special trucks, other than a truck tractor, operating intrastate. Trucks for hire on construction projects are not exempt from this section.

Rules adopted under this section concerning driver age qualifications do not apply to drivers for private and for-hire motor carriers which operate solely intrastate except when the vehicle being driven is transporting a hazardous material in a quantity which requires placarding. The minimum age for the exempted intrastate operations is eighteen years of age.

Notwithstanding other provisions of this section, rules adopted under this section for a driver of a commercial vehicle shall not apply to a driver for a private carrier, who is not for hire and who is engaged exclusively in intrastate commerce, when the driver's commercial vehicle is not operated more than one hundred miles from the driver's work reporting location.

Notwithstanding other provisions of this section, rules adopted under this section concerning physical and medical qualifications for drivers of commercial vehicles engaged in intrastate commerce shall not be construed as disqualifying any individual who was employed as a driver of commercial vehicles engaged in intrastate commerce prior to January 1, 1988.

Notwithstanding other provisions of this section, rules adopted under this section concerning physical and medical qualifications for a driver shall not apply to a farmer or a farmer's hired help when operating a vehicle owned by the farmer while it is being used in connection with the intrastate transportation of fertilizers and chemicals used in the farmer's crop production.

Notwithstanding other provisions of this section, rules adopted under this section concerning physical and medical qualifications for a driver shall not apply to a farmer or a farmer's hired help when operating a vehicle owned by the farmer while it is being used in connection with the intrastate transportation of agricultural commodities or feed.

Notwithstanding other provisions of this section, rules adopted under this section shall not impose any requirements which impose any restrictions upon a person operating an implement of husbandry or pickup to transport fertilizers and pesticides in that person's agricultural operations.

Rules adopted under this section concerning periodic inspections shall not apply to special trucks as defined in section 321.1, subsection 76, and registered under section 321.121.

Rules adopted under this section shall not apply to vehicles used in combination provided the gross vehicle weight rating of the towing unit is ten thousand pounds or less and the gross combination weight rating is twenty-six thousand pounds or less.

Section History: Early form

[C39, § 5034.58; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, § 321.449]

Section History: Recent form

87 Acts, ch 170, § 13; 88 Acts, ch 1083, § 3--;7; 88 Acts, ch 1278, § 50; 92 Acts, ch 1175, § 38; 93 Acts, ch 47, § 15

Internal References

Referred to in § 321.288, 321.343, 321.450, 805.8(2s)


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