Free Massachusetts CDL practice test with real commercial driving questions. Prepare for your Massachusetts CDL exam — General Knowledge, Air Brakes, HazMat, and all endorsements. Updated for 2026.
The Massachusetts RMV CDL knowledge test has 50 questions for General Knowledge, with additional 20–30 question tests for each endorsement (Air Brakes, HazMat, Tanker, etc.). You need 80% to pass each section. Massachusetts only requires 72% (18 of 25 correct) — one of the lower passing thresholds in the U.S.
The Massachusetts RMV knowledge exam tests your understanding of Massachusetts traffic laws, road signs, and safe driving practices. DriveAce covers every topic you'll encounter on test day.
Vehicle inspection, cargo management, driving techniques, and documentation for Massachusetts CDL.
Air brake system components, inspection, emergency stops, and maintenance tested by the Massachusetts RMV.
Hazardous materials classification, placarding, loading/unloading rules for Massachusetts CDL endorsement.
Liquid surge, rollover prevention, loading and unloading procedures for Massachusetts tanker endorsement.
Coupling, uncoupling, stability, and safe driving with multiple trailers under Massachusetts CDL rules.
Passenger safety, school bus operations, railroad crossings, evacuation for Massachusetts CDL.
The Massachusetts RMV CDL General Knowledge test has 50 questions. You need 80% (40 correct) to pass. Each CDL endorsement — Air Brakes, HazMat, Tanker, Doubles/Triples, Passenger, School Bus — has an additional 20–30 question test, each also requiring 80%.
DriveAce covers all major Massachusetts CDL endorsements: General Knowledge, Air Brakes, HazMat (Hazardous Materials), Tanker Vehicles, Doubles/Triples, Passenger Vehicles, and School Bus. All practice questions are based on Massachusetts RMV CDL requirements.
Yes — DriveAce offers free CDL practice questions for Massachusetts. Study General Knowledge and endorsement-specific questions that mirror the real Massachusetts RMV CDL exam. Full access to all practice questions is available for a one-time $19.99 fee.
You need to score 80% on the Massachusetts CDL General Knowledge test and each endorsement test. DriveAce practice tests use the same 80% passing threshold, so you always know when you're ready for the real exam at the Massachusetts RMV.
Join thousands of drivers who passed their Massachusetts CDL exam on the first try with DriveAce. No subscription. No ads. Just the knowledge you need.
Start Free Practice Test →$19.99 one-time for full access. 20 free questions included.