Washington Administrative Code
2022 Archive

Chapter 204-21 WAC
Last Update: 10/6/22

PDF of Chapter Digest
WAC Sections
204-21-010Purpose and authority.
204-21-030General lighting requirements.
204-21-050Clearance lamps, side marker lamps and identification lamps.
204-21-060Turn signal lamps.
204-21-070Supplemental high-mounted stop and rear turn signal lamps.
204-21-080Fog lamps.
204-21-090Auxiliary driving lamps.
204-21-100Auxiliary passing lamps.
204-21-110Spot lamps.
204-21-120Cornering lamps.
204-21-130Emergency lamps.
204-21-140Flashing warning lamps.
204-21-150Side cowl fender or running board courtesy lamps.
204-21-160Slow-moving vehicle emblems.
204-21-170Additional lighting for snow removal, highway maintenance and refuse haulers.
204-21-180Deceleration alert lamp system.
204-21-190School bus warning lamps.
204-21-200Private carrier bus lamps.
204-21-210Bus hazard warning strobe lamp.
204-21-220Trailer tongue lamps.
204-21-230Lighting equipment prohibited.