PDFWAC 296-865-30015
Semitruck brakes.
(1) You must make sure semitrucks are equipped with brakes that will safely hold the maximum load on maximum grades.
Note: | Trailers may use air brakes or other types of brake equipment approved by the Washington state patrol. |
(2) You must test brakes before descending a steep grade.
(3) You must follow the requirements in Table 2, Semitruck Braking Requirements.
Table 2
Semitruck Braking Requirements
When: | You must: |
You park a truck on an incline | 1. Turn the wheels into the curb; and |
2. Have at least one "driver" wheel chocked on each side, independent of the braking system. | |
Using air brakes | Cut air into the trailer brake system at the time the trailer is attached to the truck. |