| WAC Sections | |
| 204-21-010 | Purpose and authority. |
| 204-21-020 | Definitions. |
| 204-21-030 | General lighting requirements. |
| 204-21-040 | Headlamps. |
| 204-21-050 | Clearance lamps, side marker lamps and identification lamps. |
| 204-21-060 | Turn signal lamps. |
| 204-21-070 | Supplemental high-mounted stop and rear turn signal lamps. |
| 204-21-080 | Fog lamps. |
| 204-21-090 | Auxiliary driving lamps. |
| 204-21-100 | Auxiliary passing lamps. |
| 204-21-110 | Spot lamps. |
| 204-21-120 | Cornering lamps. |
| 204-21-130 | Emergency lamps. |
| 204-21-140 | Flashing warning lamps. |
| 204-21-150 | Side cowl fender or running board courtesy lamps. |
| 204-21-160 | Slow-moving vehicle emblems. |
| 204-21-170 | Additional lighting for snow removal, highway maintenance and refuse haulers. |
| 204-21-180 | Deceleration alert lamp system. |
| 204-21-190 | School bus warning lamps. |
| 204-21-200 | Private carrier bus lamps. |
| 204-21-210 | Bus hazard warning strobe lamp. |
| 204-21-220 | Trailer tongue lamps. |
| 204-21-230 | Lighting equipment prohibited. |