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WAC 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.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-865-30015, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 05-17-059, § 296-865-30015, filed 8/10/05, effective 10/1/05.]
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