CDL Permit Prep Support
Contact us if the app does not work as expected or if you find a question that may need correction.
Contact support
Report a question
Include the question ID, the issue you found, and the official CDL manual or agency source that supports your report. Please do not send passwords or other sensitive information.
Study content
CDL Permit Prep is a study aid. Follow the current official CDL manual and your state licensing agency when they differ from practice content.