About us
A study plan, not a pile of links
CLP Study helps future and current commercial drivers prepare for their CDL permit / CLP knowledge tests with a focused, state-specific plan.
Instead of a giant pile of practice links, we show you only the modules that apply to your state and goal, then guide you through practice, a realistic simulator, and readiness tracking.
Our study content is written originally and based on official state CDL manuals. Every question is meant to match permit-test topics and format — never copied from other test providers.
Only what applies to you
Your state and goal decide the plan. We hide the modules you don’t need instead of handing you a list of everything.
Source-backed questions
Questions and explanations are written originally and point back to the official state CDL manual behind them.
No ads inside study
Nothing covers a question, an answer choice, an explanation, or your progress while you’re working.
CLP Study is not affiliated with any DMV, state agency, or FMCSA. Study content is based on official state CDL manuals.