noindex and not linked from the homepage or /practice until the full official-length forms and acceptance criteria ship. Free · no login.CDL Practice Test — General Knowledge Scaffold
Free, no-login General Knowledge scaffold for CDL Class A. Reuses cdl-general-knowledge.json only (300 Q today). Target ≥300 GK items with per-question 49 CFR / FMCSA / state manual citations before this route is indexed. No 50-state stubs and no endorsement Wave 2 in this sprint.
Practice engine (existing bank)
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Verifying primary source citations and distractor autopsies across official blueprint standards.
Independent study aid. Not affiliated with FMCSA or any state DMV. Always verify question counts, timing, and ELDT rules against current FMCSA and your state CDL manual.
Timed mock FAQ
Which CDL knowledge tests are in this wave?
Class A core only: General Knowledge, Air Brakes, and Combination Vehicles. Endorsements (HazMat, Tanker, Passenger, School Bus, Doubles/Triples) and 50-state pages are Wave 2 — not stubbed here.
What is the target format?
Typical state formats (counts vary by state — note that on launch): General Knowledge ~50 Q, Air Brakes ~25 Q, Combination ~20 Q. Most states are untimed by default with an optional timer. Pass line: 80% per 49 CFR 383.135 (verify).
What must explanations cite?
49 CFR Parts 383/392/393, FMCSA materials, and the relevant state CDL manual sections. Also mention ELDT (49 CFR 380 Subpart F) on the study guide before indexing.
Last reviewed 2026-10-05. Independent study aid — not affiliated with the exam sponsor or testing vendor. Working targets (question count, timer, pass line) must be re-verified against the cited sponsor page before this route is indexed.