1 | Page
California Commercial Driver Handbook
2026 | Vehicle Classes, CDL Licensing
& Safety Regulations | CA DMV
Commercial Driver Study Guide | A+
Guaranteed
Who is the Governor of California? --Correct-Answer✅✅......Gavin
Newsom
What is the purpose of the California Commercial Driver Handbook? --
Correct-Answer✅✅......To provide guidelines and information for
commercial drivers in California.
What does GVWR stand for? --Correct-Answer✅✅......Gross Vehicle
Weight Rating
What is the maximum weight for a single vehicle under Class C? --
Correct-Answer✅✅......10,000 pounds or less
What is required for a vehicle to be classified under Class A? --Correct-
Answer✅✅......A single vehicle with a GVWR of more than 26,000
pounds.
,2 | Page
What type of vehicle can a Class B driver operate? --Correct-
Answer✅✅......A single vehicle with a GVWR of 26,001 pounds or
more.
What is the maximum weight for a motorcycle trailer under Class M? --
Correct-Answer✅✅......There is no specific maximum weight
mentioned; it depends on the motorcycle's capacity.
What is a requirement for towing a trailer coach over 10,000 pounds? --
Correct-Answer✅✅......It must not be used for hire.
What is the maximum weight a passenger vehicle can tow? --Correct-
Answer✅✅......No passenger vehicle may tow more than one vehicle.
What is the purpose of a HazMat endorsement? --Correct-
Answer✅✅......To allow a driver to transport hazardous materials.
What is the minimum age to obtain a commercial driver's license (CDL)
in California? --Correct-Answer✅✅......18 years old for intrastate
driving, 21 years old for interstate driving.
What is the significance of the dual air brake system? --Correct-
Answer✅✅......It provides a backup system in case one part of the air
brake system fails.
,3 | Page
What should be inspected before driving a combination vehicle? --
Correct-Answer✅✅......Brakes, lights, and coupling devices.
What is the purpose of the 'Inspecting Cargo' section? --Correct-
Answer✅✅......To ensure cargo is secured and does not exceed weight
limits.
What are the key components of safe driving outlined in the handbook? -
-Correct-Answer✅✅......Vehicle inspection, basic control, managing
speed, and seeing hazards.
What is the recommended action when driving in fog? --Correct-
Answer✅✅......Use low beam headlights and reduce speed.
What does CVC stand for? --Correct-Answer✅✅......California Vehicle
Code
What is the maximum gross weight for a vehicle under Class C? --
Correct-Answer✅✅......26,000 pounds or less.
What is a common disqualification for a CDL? --Correct-
Answer✅✅......Driving under the influence of alcohol or drugs.
, 4 | Page
What is the purpose of brake-door interlocks? --Correct-
Answer✅✅......To prevent the vehicle from moving when the door is
open.
What is the importance of managing space while driving? --Correct-
Answer✅✅......To maintain a safe distance from other vehicles and
avoid collisions.
What should a driver do in case of a driving emergency? --Correct-
Answer✅✅......Remain calm, assess the situation, and take appropriate
action.
What is the recommended practice for driving at night? --Correct-
Answer✅✅......Use headlights and reduce speed to enhance visibility.
What does the section on 'Transporting Passengers Safely' cover? --
Correct-Answer✅✅......Vehicle inspection, loading procedures, and
after-trip inspections.
What is the maximum allowable weight for a livestock trailer under
Class A? --Correct-Answer✅✅......Exceeding 10,000 pounds GVWR
but not exceeding 15,000 pounds GVWR.
California Commercial Driver Handbook
2026 | Vehicle Classes, CDL Licensing
& Safety Regulations | CA DMV
Commercial Driver Study Guide | A+
Guaranteed
Who is the Governor of California? --Correct-Answer✅✅......Gavin
Newsom
What is the purpose of the California Commercial Driver Handbook? --
Correct-Answer✅✅......To provide guidelines and information for
commercial drivers in California.
What does GVWR stand for? --Correct-Answer✅✅......Gross Vehicle
Weight Rating
What is the maximum weight for a single vehicle under Class C? --
Correct-Answer✅✅......10,000 pounds or less
What is required for a vehicle to be classified under Class A? --Correct-
Answer✅✅......A single vehicle with a GVWR of more than 26,000
pounds.
,2 | Page
What type of vehicle can a Class B driver operate? --Correct-
Answer✅✅......A single vehicle with a GVWR of 26,001 pounds or
more.
What is the maximum weight for a motorcycle trailer under Class M? --
Correct-Answer✅✅......There is no specific maximum weight
mentioned; it depends on the motorcycle's capacity.
What is a requirement for towing a trailer coach over 10,000 pounds? --
Correct-Answer✅✅......It must not be used for hire.
What is the maximum weight a passenger vehicle can tow? --Correct-
Answer✅✅......No passenger vehicle may tow more than one vehicle.
What is the purpose of a HazMat endorsement? --Correct-
Answer✅✅......To allow a driver to transport hazardous materials.
What is the minimum age to obtain a commercial driver's license (CDL)
in California? --Correct-Answer✅✅......18 years old for intrastate
driving, 21 years old for interstate driving.
What is the significance of the dual air brake system? --Correct-
Answer✅✅......It provides a backup system in case one part of the air
brake system fails.
,3 | Page
What should be inspected before driving a combination vehicle? --
Correct-Answer✅✅......Brakes, lights, and coupling devices.
What is the purpose of the 'Inspecting Cargo' section? --Correct-
Answer✅✅......To ensure cargo is secured and does not exceed weight
limits.
What are the key components of safe driving outlined in the handbook? -
-Correct-Answer✅✅......Vehicle inspection, basic control, managing
speed, and seeing hazards.
What is the recommended action when driving in fog? --Correct-
Answer✅✅......Use low beam headlights and reduce speed.
What does CVC stand for? --Correct-Answer✅✅......California Vehicle
Code
What is the maximum gross weight for a vehicle under Class C? --
Correct-Answer✅✅......26,000 pounds or less.
What is a common disqualification for a CDL? --Correct-
Answer✅✅......Driving under the influence of alcohol or drugs.
, 4 | Page
What is the purpose of brake-door interlocks? --Correct-
Answer✅✅......To prevent the vehicle from moving when the door is
open.
What is the importance of managing space while driving? --Correct-
Answer✅✅......To maintain a safe distance from other vehicles and
avoid collisions.
What should a driver do in case of a driving emergency? --Correct-
Answer✅✅......Remain calm, assess the situation, and take appropriate
action.
What is the recommended practice for driving at night? --Correct-
Answer✅✅......Use headlights and reduce speed to enhance visibility.
What does the section on 'Transporting Passengers Safely' cover? --
Correct-Answer✅✅......Vehicle inspection, loading procedures, and
after-trip inspections.
What is the maximum allowable weight for a livestock trailer under
Class A? --Correct-Answer✅✅......Exceeding 10,000 pounds GVWR
but not exceeding 15,000 pounds GVWR.
