Skip to main content
DMV Test Free

Maine CDL — General Knowledge practice

Maine CDL — General Knowledge: Traffic Laws practice test

Speed limits, turning and signaling rules, headlight and seat-belt requirements, and the everyday laws every driver must follow.

Content reviewed against official driver handbooks · August 12, 2026

16 questions · pass with 13 correct. You get instant feedback and an explanation after every answer.

Choose your level

Up to 20 questions on this topic, with feedback after every answer.

Study questions with answers

12 sample Traffic Laws questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.

Show all 12 questions with answers
  1. 1. Maine lets a local government use a driver without a CDL to plow or sand its roads in limited cases. How small must the community's population be?

    Correct answer: 3,000 people or fewer

    The snow-and-ice exemption is limited to units of local government with a total population of 3,000 or less, and to work inside that community's own boundaries.

    Source: Maine Commercial Driver License Manual — Exemptions

  2. 2. A Maine driver earns the T endorsement for double/triple trailers. What does the manual note about triples?

    Correct answer: Triple trailers are not allowed in Maine

    The T endorsement covers doubles and triples where the law allows them, and the manual adds that triple trailers are not permitted in Maine.

    Source: Maine Commercial Driver License Manual — Endorsement

  3. 3. Which of these would take a Maine "F"-plated farm truck outside the exemption from commercial licensing?

    Correct answer: The truck is hauling as a common or contract carrier

    The exemption lets the farmer, family members and employees drive, and it covers farm products, machinery and supplies. It ends if the truck is used in common or contract carrier operations.

    Source: Maine Commercial Driver License Manual — Exemptions

  4. 4. Under Maine's exemptions, when may a heavy truck registered as an antique automobile be driven without a CDL?

    Correct answer: When it is used for non-commercial recreational purposes, whatever it weighs

    A truck registered as an antique automobile is exempt regardless of its weight or combination weight, provided its use is non-commercial and recreational.

    Source: Maine Commercial Driver License Manual — Exemptions

  5. 5. A Maine farmer's employee drives an "F"-plated farm truck loaded with potatoes to a buyer 200 miles from the farm. Does the farm-truck exemption from commercial licensing apply?

    Correct answer: No; the exemption reaches only 150 miles from the registered owner's farm

    Maine exempts registered farm trucks bearing an "F" plate only when, among other conditions, they stay within 150 miles of the owner's farm. A 200-mile haul falls outside that limit.

    Source: Maine Commercial Driver License Manual — Exemptions

  6. 6. An applicant who reads little English asks to bring a relative to translate the Maine CDL knowledge tests. What does the manual's notice say?

    Correct answer: Federal regulations prohibit interpreters on CDL knowledge examinations

    Maine's manual carries an important notice that federal rules do not allow interpreters to be used when CDL knowledge exams are taken.

    Source: Maine Commercial Driver License Manual — How to Apply for a Commercial Driver's Learner's Permit (CLP)

  7. 7. A Maine town of 2,500 people wants an employee without a CDL to plow its roads. Apart from a declared snow or ice emergency, when does the exemption allow it?

    Correct answer: When the properly licensed employee who normally runs the truck is unable to operate it

    The exemption applies in two situations: the regular, properly licensed operator cannot run the vehicle, or the local government decides a snow or ice emergency calls for extra help.

    Source: Maine Commercial Driver License Manual — Exemptions

  8. 8. On what date did the federal Entry Level Driver Training (ELDT) requirement described in Maine's manual take effect?

    Correct answer: February 7, 2022

    FMCSA's training rule took effect February 7, 2022. It applies to new CDL operators and to drivers who want to upgrade a CDL they already hold.

    Source: Maine Commercial Driver License Manual — Entry Level Driver Training (ELDT)

  9. 9. Which combination vehicle is too long to be used for a Maine CDL test?

    Correct answer: One that is 76 feet long overall

    Maine will not test in a combination longer than 74 feet overall, or in one whose trailer is longer than 53 feet. A 53-foot trailer is still within the limit.

    Source: Maine Commercial Driver License Manual — Definitions of Classes

  10. 10. During a Maine CDL skills test, who may be inside the vehicle?

    Correct answer: Only the applicant and the examiner

    Maine allows no one except the applicant and the examiner in the vehicle during any part of the test.

    Source: Maine Commercial Driver License Manual — Definitions of Classes

  11. 11. At a Maine skills test you hand the examiner a photocopy of the truck's registration. When is a photocopy acceptable?

    Correct answer: Only for a rental unit, or with written permission from the Secretary of State

    Maine wants the valid registration itself. Copies are allowed only for rental units or with the Secretary of State's written permission, and a rental agreement cannot stand in for the registration.

    Source: Maine Commercial Driver License Manual — What Should I Bring With Me on Day of Exams

  12. 12. Maine requires your Social Security number on a license application. How does the disclosure statement say the number will be used?

    Correct answer: Only for identification, and it is kept confidential

    Disclosure is mandatory, but the statement says the number serves identification purposes alone and stays confidential.

    Source: Maine Commercial Driver License Manual — Social Security Number Disclosure Statement

Take the full CDL — General Knowledge practice test

More CDL — General Knowledge topics

Practice Traffic Laws in another state

Every Maine question is written from the official Maine driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free