Washington Revised Code Title 47. Public Highways and Transportation § 47.52.120. Violations specified--Exceptions--Penalty

(1) After the opening of any limited access highway facility, it shall be unlawful for any person to: (a) Drive a vehicle over, upon, or across any curb, central dividing section, or other separation or dividing line on limited access facilities; (b) make a left turn or semicircular or U-turn except through an opening provided for that purpose in the dividing curb section, separation, or line; (c) drive any vehicle except in the proper lane provided for that purpose and in the proper direction and to the right of the central dividing curb, separation section, or line; (d) drive any vehicle into the limited access facility from a local service road except through an opening provided for that purpose in the dividing curb, dividing section, or dividing line which separates such service road from the limited access facility proper; (e) stop or park any vehicle or equipment within the right-of-way of such facility, including the shoulders thereof, except at points specially provided therefor, and to make only such use of such specially provided stopping or parking points as is permitted by the designation thereof: PROVIDED, That this subsection (1)(e) shall not apply to authorized emergency vehicles, law enforcement vehicles, assistance vans, or to vehicles stopped for emergency causes or equipment failures; (f) travel to or from such facility at any point other than a point designated by the establishing authority as an approach to the facility or to use an approach to such facility for any use in excess of that specified by the establishing authority.

(2) For the purposes of this section, an assistance van is a vehicle rendering aid free of charge to vehicles with equipment or fuel problems. The state patrol shall establish by rule additional standards and operating procedures, as needed, for assistance vans.

(3) Any person who violates this section is guilty of a misdemeanor and upon arrest and conviction therefor shall be punished by a fine of not less than five dollars nor more than one hundred dollars, or by imprisonment in the city or county jail for not less than five days nor more than ninety days, or by both fine and imprisonment.

(4) Nothing contained in this section prevents the highway authority from proceeding to enforce the prohibitions or limitations of access to such facilities by injunction or as otherwise provided by law.