CDL Basics
This is the minimum age required to obtain a CDL Class B license for intrastate (within-state) driving.
What is 18 years old?
Drivers must perform this type of inspection before and after operating their vehicle each day.
What is a pre-trip and post-trip inspection?
You need this endorsement to operate a vehicle that transports passengers.
What is the “P” endorsement?
CDL drivers can be disqualified for driving with a blood alcohol concentration of this percent or higher.
What is 0.04%?
This is the safest following distance in seconds for a large vehicle traveling under ideal conditions.
What is at least 4 seconds?
This is the federal department that regulates commercial driver licensing standards.
What is the Department of Transportation (DOT)?
You check this gauge to make sure your brakes have enough air pressure to operate safely.
What is the air pressure gauge?
This endorsement is required to operate a school bus.
What is the “S” endorsement?
When stopping on a highway shoulder, you must place reflective triangles this many feet behind your vehicle.
What is 100 feet, 10 feet, and 200 feet (in a triangle pattern)?
When descending a long hill, you should use this gear to help control your speed.
What is a lower gear?
A CDL Class B license allows you to operate a single vehicle with this minimum Gross Vehicle Weight
What is 26,001 pounds or more?
These are the three main parts of the braking system on an air brake-equipped vehicle.
What are the air compressor, air tanks, and brake chambers?
Drivers who operate vehicles carrying hazardous materials must have this endorsement.
What is the “H” endorsement?
The maximum number of hours a CDL driver can drive after 10 consecutive hours off duty under federal rules.
What is 11 hours?
This technique involves using the brakes just enough to keep the vehicle under control without locking the wheels.
What is controlled braking?
You need this type of license if you want to drive a straight truck, large bus, or box truck.
What is a CDL Class B?
During a pre-trip inspection, drivers must ensure these parts have proper tread depth, no cuts, and are properly inflated.
What are the tires?
This endorsement is required to operate a vehicle designed to carry 16 or more passengers, including the driver.
What is the “P” endorsement?
This log is used to record a driver’s on-duty, off-duty, driving, and rest periods.
What is the Driver’s Daily Log (or Hours of Service log)?
CDL drivers must always check this area around their truck before moving.
What is the “no-zone” or blind spot area?
Before getting your CDL, you must first pass this type of written exam that tests your knowledge of rules and regulations.
What is the CDL General Knowledge Test?
This document is filled out after inspecting the vehicle and must note any defects or safety issues found.
What is the Driver Vehicle Inspection Report (DVIR)?
Before getting an “S” endorsement, a driver must already have this endorsement.
What is the “P” (Passenger) endorsement?
CDL drivers must report any traffic violation (except parking) to their employer within this number of days.
What is 30 days?
When approaching a railroad crossing, you must stop between these distances from the nearest rail.
What is 15 to 50 feet?