Changes the amount of time, from eight hours to four hours, in which vehicles, trailers, campers, and motorcycles may camp or maintain a camp, tent, or other sleeping accommodation or facility, in a safety rest area.

Requires the department of transportation to designate zones within a safety rest area with shorter parking time limits for maximum efficiency and safety.

Permits commercial vehicles to park up to an hour beyond federally mandated rest periods.

Prohibits a person from engaging in solicitation.

Requires the Washington state patrol to enforce this act to the maximum extent practicable.