Massachusetts CDL Practice Test

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🚛 Massachusetts CDL Permit Practice Test Guide

Pass Your Massachusetts CDL Written Test the First Time

DMV-Written-Test provides aspiring commercial drivers in Massachusetts with practice exams based on the 2025 Massachusetts Commercial Driver License (CDL) Manual. These tests mirror the real exam administered by the Massachusetts Registry of Motor Vehicles (RMV).

Whether you’re applying for a Class A, B, or C CDL, our practice tests cover essential areas including General Knowledge, Air Brakes, Combination Vehicles, and state-specific driving regulations.

For official CDL manuals, application procedures, and endorsements, visit the Massachusetts RMV CDL page:
https://www.mass.gov/commercial-drivers-licenses-cdl

Start preparing now and get your Massachusetts CDL with confidence!

📘 What to Expect on the Massachusetts CDL Knowledge Test

Aspect Details
Number of Questions 50 (General Knowledge)
Passing Score 80% (40 correct answers required)
Test Format Multiple Choice
Time Limit 60 minutes (estimated)
Minimum Age 18 (intrastate); 21 for interstate/HazMat
Test Languages English, Spanish, others depending on RMV location
Endorsement Areas HazMat, School Bus, Passenger, Tankers, Air Brakes
Retake Policy Next business day (retest fee may apply)

❓ Frequently Asked Questions

How do I qualify for a CDL permit in Massachusetts?
You must be at least 18 years old, have a valid Massachusetts Class D license, and pass a vision screening and the CDL General Knowledge exam.
Is ELDT required for a Massachusetts CDL?
Yes. Entry-Level Driver Training (ELDT) is federally required before you can take the CDL skills test or apply for certain endorsements.
How long is a CDL permit valid in Massachusetts?
The Commercial Learner’s Permit (CLP) is valid for 180 days and may be renewed one time.
Can I take the CDL knowledge test in Spanish?
Yes. Most knowledge tests are available in Spanish, except for HazMat, which must be taken in English.
What happens if I fail the CDL written test?
You may retake the test the next business day. A retesting fee may be charged.
Do I need a standard license before applying for a CDL?
Yes. A valid Massachusetts Class D license is required to obtain a CDL permit.
Are separate tests required for endorsements?
Yes. Each endorsement (e.g., HazMat, Passenger, School Bus) requires its own written exam.
Can I transfer an out-of-state CDL to Massachusetts?
Yes. You must transfer it within 30 days of establishing Massachusetts residency and provide required documents.
What documents are needed to apply for a CDL?
You must provide proof of identity, lawful presence, Massachusetts residency, and your Social Security number.
Do HazMat applicants need TSA background checks?
Yes. To receive or renew a HazMat endorsement, you must pass a TSA background screening.