PDFWAC 204-93-140
Restrictions to van operation and movement on highway.
Any van authorized under this section must:
(1) Not travel in high-occupancy vehicle lane unless traveling to assist a disabled vehicle.
(2) Not travel in the wrong direction on any highway or on/off ramps of highway, unless directed by a law enforcement officer.
(3) Safely push a disabled vehicle only to the nearest safe highway shoulder area.
(4) Not tow disabled vehicles for any distance.
(5) Obey all "rules of the road" as defined by chapter 46.61 RCW with the exception of RCW 46.61.570 and 46.61.575 as they relate to stopping, standing, or parking restrictions on public highways.
(6) Obey RCW 47.52.120, except section (5) as it relates to the stopping or parking of a vehicle on a limited access highway facility.