California Code of Regulations
Title 13 - Motor Vehicles
Division 2 - Department of the California Highway Patrol
Chapter 4 - Special Equipment
Article 12 - Brake Equipment
Section 1066 - General Requirements for Load, Wheel, and Pressure Controlled Air Pressure Reducing Systems

Universal Citation: 13 CA Code of Regs 1066

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

All devices or systems for automatically reducing the air pressure delivered to brake actuators on any vehicle or combination of vehicles shall meet the following general requirements:

(a) Stopping Distance. The device or system shall not increase the stopping distance under any condition of load beyond that attained by the same type of vehicle or combination of vehicles when not equipped with the device or system.

(b) Brake-Release Time. The device or system shall not increase the brake-release time over that which would have been attained if the device had not been installed in the system.

(c) Fail-Safe Operation. Any single failure in any part of the device or its control system shall not increase the stopping distance beyond the statutory limits.

(d) Deceleration. The device or system shall permit deceleration at maximum braking capability without causing the vehicle to swerve from a 3.66 m (12 ft) wide lane that is dry, smooth, hard-surfaced, free from loose material, and has a grade not exceeding plus or minus 1 percent.

1. Editorial correction adding NOTE filed 4-28-83 (Register 83, No. 18).
2. Renumbering and amendment of former Section 1065 to Section 1066 filed 8-31-83; effective thirtieth day thereafter (Register 83, No. 36).

Note: Authority cited and Reference: Section 26502, Vehicle Code.

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