Trucks shall provide riding qualities at least equal to those of freight type trucks modified with elliptic or additional coil springs or other means of equal or greater efficiency and shall be equipped with steel wheels.
Okla. Stat. tit. 66, § 253
Trucks shall provide riding qualities at least equal to those of freight type trucks modified with elliptic or additional coil springs or other means of equal or greater efficiency and shall be equipped with steel wheels.
Okla. Stat. tit. 66, § 253