CA CDL Permit Test Prep 2025

DISCLAIMER
Driver-Start.com is NOT an official government app and is NOT affiliated, associated, authorized, or endorsed by the California Department of Motor Vehicles (DMV), the California Department of Transportation (Caltrans), the U.S. Department of Transportation, or any other government agency. Driver‑Start.com is an independent, private, third‑party study aid.

OFFICIAL SOURCE OF INFORMATION
All practice questions provided in this app are based directly on the official 2025 California Commercial Driver Handbook, available from the California Department of Motor Vehicles at dmv.ca.gov.

What the App Does
Study the 2025 California CDL Handbook with flashcards and topic-specific quizzes.

Take realistic practice exams that follow the format of the official CDL knowledge tests, including general knowledge, air brakes, combination vehicles, HazMat, passenger transport, and more.

Track your progress with an in-app analytics dashboard.

Learn offline—all content is stored on your device after download.

Study Modes
Flashcards: Quick review of commercial driving laws and safety rules

Topic Quiz: Focused quizzes by CDL section

Practice Test: CDL exam simulator based on the California DMV test structure

Marathon: Go through the entire CDL question bank in one session

Why Learners Like Driver-Start.com
100% free to download; no hidden fees

Clean, accessible interface with large buttons

Optional website companion: https://Driver-Start.com

Privacy & Data Use
This app does not collect personally identifiable information. Anonymous usage statistics help improve question quality. Read our full, non-editable privacy policy at:
https://driver-start.com/info_pages/privacy_policy/

Preparing for your California CDL exam?
Tap Install and start studying with Driver‑Start.com—your independent permit-test companion.