If you have an air brake restriction on your CDL, are you allowed to drive a vehicle that has an air-assisted parking brake release as part of the hydraulic braking system?
Answer Yes
The air brake restriction set in place only applies to the principle braking system, not to any parking brake systems that use an air-assisted mechanism.
Asked by Kendra Whitmire · Last updated 5 years ago · 58.6K views · SOURCE
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