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Pass the New Hampshire CDL knowledge test with free starter practice, state rules, narrated parked-study audio, and adaptive review. New Hampshire CDL fees: approximately $100 total (CLP $50 + CDL $50).
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Official source: New Hampshire DMV
Narrated review is framed for parked, break-time, or off-road study.
Missed questions come back until you nail them. Nothing wasted on material you already know.
General Knowledge, Air Brakes, Combination, HazMat, Doubles/Triples, Tanker, Passenger, School Bus, Pre-Trip. Nothing locked behind a paywall tier.
Start with 15 free questions, then unlock Premium when you choose a plan.
states covered
CDL sections
paid access
About $100 total in state fees (CLP $50 + CDL $50). Add roughly $150 for DOT medical and ~$86 for HazMat TSA background if you want H. Koydo CDL has free starter practice and paid Premium options. Actual costs vary — confirm at New Hampshire DMV.
14 days minimum under federal FMCSA rules. New Hampshire matches the federal floor. You can continue practicing during that window.
The app covers the FMCSA-standardized material that every state uses on the knowledge test — the same question types you will see on your New Hampshire DMV exam. Some New Hampshire-specific rules (local road classifications, commercial zones, state fuel tax) live only in the official New Hampshire CDL manual; use both together.
Yes. CDL is federally standardized — once issued by any state, it transfers. You have 30 days to update your license after moving. You do not retake the knowledge test, but you may need a new DOT medical and vision screen in New Hampshire.
Some states offer the written CDL test in Spanish (TX, CA, FL, IL, AZ, NY all historically support it). Confirm with New Hampshire DMV before your appointment. Koydo CDL ES mirrors the full 277-question bank in Spanish regardless of which state you test in.
Free practice first. Premium adds parked-study audio, adaptive review, state rules, and all 9 sections.