(a) Drives or moves on a highway any vehicle or combination of vehicles that is so constructed or loaded so as to allow its contents to drop, sift, leak or otherwise escape therefrom.
(b) Owns a vehicle or combination of vehicles and causes or permits the vehicle or combination of vehicles to be driven or moved on a highway when the vehicle or combination of vehicles is so constructed or loaded so as to allow its contents to drop, sift, leak or otherwise escape therefrom.
(2) The application of this section is subject to the exemptions from this section established under ORS 818.310.
(3) Violation of the offense described in this section is subject to civil liability under ORS 818.410.
(4) The offense described in this section, operating with a sifting or leaking load, is a Class B traffic violation. [1983 c.338 §524; 1985 c.393 §31]