Prepare with original practice questions across core commercial-driving topics and endorsements. Get a clear explanation after every answer.
FMCSA says states develop their own knowledge and skills tests to meet federal standards. The federal basic knowledge test has at least 30 items, and CDL knowledge tests require at least 80% correct; a separate air-brakes knowledge test applies when seeking to operate a CMV with air brakes. States may set their own test procedures and additional requirements, so use these numbers as the federal baseline, not a promise about your state test.
Choose your state’s current CDL manual before studying. Find state CDL manuals through FMCSA ↗ · Find your state driver licensing agency ↗ · Read FMCSA state testing standards ↗
These state notes were checked against licensing-agency guidance through November 9, 2026. State application steps and tests can change; use the linked state manual and agency page as the final authority. Our practice bank remains national study material and is not a state-specific exam.
California requires an eligible California driver license before issuing a CLP, a 14-day CLP holding period before skills testing, and a skills-test appointment. Specified original Class A/B and endorsement applicants also need ELDT; California residents applying for original A/B licenses have an additional 15-hour behind-the-wheel requirement.
Texas administers CDL and CLP knowledge tests in English only as of June 1, 2026. DPS lists the knowledge-test order as Texas Commercial Rules, General Knowledge, Combination for Class A, Air Brakes if applicable, then endorsements. Check the current handbook and appointment rules before testing.
NY DMV offers CDL permit knowledge tests at DMV offices. Most CDL written tests are available in English, Spanish, Chinese and Russian; HazMat is English only. NY DMV says to wait at least 14 days after CLP issuance before the road test. Confirm current requirements with DMV.
Florida’s manual says the tests depend on vehicle class and endorsements: general knowledge is required for all applicants; other tests may include passenger, air brakes, combination vehicles, hazardous materials, tank vehicles, doubles/triples, and school bus. Use the Florida manual and October 2023 modernized-test supplement together.
New Jersey's general CDL test has 50 questions and requires 80% correct; endorsement tests are separate. CDL knowledge tests are in English and Spanish, while HazMat is English only. The skills test requires applicable ELDT and an appointment.
PennDOT publishes knowledge-test counts by class and endorsement. A Class A test has 70 questions, Class B/C have 50, and endorsement tests range from 20 to 30. A CLP holder must wait at least 15 days from permit issuance before the scheduled skills test. Verify your test list in current PennDOT sources.
Illinois’s General (Core) CDL knowledge test has 30 randomized questions and requires 80% correct; the School Bus test requires 90%. Applicants must finish required written tests before scheduling skills testing and hold the CLP for at least 14 days.
Tennessee requires a CLP holder to wait at least 14 days before the skills test. Applicants take general knowledge and any other tests required for their vehicle class and endorsements; the skills test includes inspection, basic vehicle control and on-road driving. Check Tennessee’s current CDL rules and document list before applying.
Ohio requires separate knowledge tests for each vehicle class and endorsement. Its CLP is valid for 12 months; the CLP holder must be accompanied by a properly endorsed CDL holder. ELDT proof is required before scheduling or taking applicable skills tests.
Georgia requires a valid regular Georgia license and a 14-day CLP holding period before the skills test. The commercial application fee covers four knowledge-test attempts; applicable ELDT must be completed before skills testing or the HazMat knowledge test. Georgia adopted modernized CDL testing statewide in June 2026.
Wisconsin requires all CDL applicants to pass General Knowledge and lists an 80% passing grade. Its CLP lasts 180 days, and applicants hold it for at least 14 days before skills testing. Wisconsin uses authorized third-party examiners for skills tests.
Washington lists an 80% pass score for CDL knowledge tests, requires appointments at offices that test, and publishes its own minimum training hours by CDL class and endorsement. Vehicle-inspection and basic-control criteria are in the state’s supplemental CDL guide.
Virginia requires at least 80% on the general knowledge exam, limits testing to once per business day, and keeps passed knowledge results valid for one year. A CLP is generally held for at least 14 days before skills testing; ELDT applies to covered applicants.
North Carolina’s CLP is valid for 180 days with one renewal, and the CLP must be held at least 14 days before skills testing. NCDMV lists separate endorsement tests and current school-bus score and validity rules.
Michigan publishes CDL knowledge-test counts by class and endorsement and requires 80% on each required test. Group A general knowledge has 70 questions, while endorsement and air-brake tests have separate published counts.
Minnesota requires a 14-calendar-day CLP holding period before the CDL skills test, limits each knowledge-test attempt to once per day, and provides test lists based on vehicle class, equipment, and endorsements.
Choose a topic or mix topics, then check each answer with its explanation and manual reference.
Match your study topics to the vehicle and work you plan to do. The T endorsement covers double/triple trailers; N covers tank vehicles; H covers hazardous materials; P covers passenger vehicles; and S covers school buses. The combination-vehicle questions here cover tractor-trailer safety and coupling, while doubles and triples have their own topic set.
FMCSA entry-level driver training (ELDT) generally applies to first-time Class A or B applicants, a Class B to A upgrade, and first-time P, S, or H endorsements. H applicants must complete the required theory training before the state administers the H knowledge test; the other covered paths involve training before the state skills test. Exceptions exist. Check current FMCSA rules and your state agency before scheduling a test: FMCSA ELDT requirements ↗ · Training Provider Registry ↗.
These free questions are for study only. They are original practice material, not official test questions, and do not replace required training, your state CDL manual, or professional instruction. USAExamPractice is not affiliated with FMCSA, TSA, or any state licensing agency.
Federal standards set a minimum of 30 items for the basic knowledge test and an 80% minimum passing score for knowledge tests. States administer their own tests and may have separate endorsement tests and requirements. Confirm your state’s exact format in its current CDL manual.
An air-brakes knowledge test applies to applicants who seek to operate a CMV with air brakes. Additional knowledge or skills tests depend on the vehicle class and endorsements you seek. Use your state manual to identify every test and restriction that applies.
No. This site provides original practice material for learning. It is independent of government licensing exams and does not reproduce confidential test questions.