Section 11-169-12 - Unlawful riding(a) No person shall ride on any vehicle or any portion of a vehicle not designed or intended for the use of passengers. This provision shall not apply to employees engaged in the necessary discharge of a duty or to persons riding in truck bodies and within trailers in a space intended for merchandise.(b) No person shall board or alight from any vehicle while such vehicle is in motion.[Eff. AUG 9, 1982] (Auth: HRS § 326-24) (Imp: HRS § 326-34)