Motor Vehicle Division Commercial Vehicle Regulations 2 — Questions and Answers
Question 1: What is the standard maximum weight limit for a 5-axle tractor-trailer combination on US Interstate highways?
- 60,000 lbs
- 80,000 lbs (Correct answer)
- 100,000 lbs
- 120,000 lbs
Correct answer: 80,000 lbs
The federal bridge formula limits 5-axle tractor-trailers to 80,000 lbs on Interstate highways unless a special permit is obtained.
Question 2: An 'oversize load' permit from the MVD is required when a commercial vehicle exceeds what standard width?
- 8 feet (96 inches)
- 8.5 feet (102 inches) (Correct answer)
- 10 feet (120 inches)
- 12 feet (144 inches)
Correct answer: 8.5 feet (102 inches)
Loads wider than 8.5 feet (102 inches) exceed the standard legal width and require an oversize/overwidth permit from the state MVD.
Question 3: Which license class is required to operate a vehicle with a GCWR over 26,000 lbs in the United States?
- Class A CDL (Correct answer)
- Class B CDL
- Class C CDL
- Class D standard license
Correct answer: Class A CDL
A Class A CDL is required for combination vehicles with a GCWR exceeding 26,000 lbs where the towed unit exceeds 10,000 lbs.
Question 4: What must a commercial motor carrier display on both sides of their power unit?
- The IFTA decal only
- The company name and USDOT number (Correct answer)
- The driver's name and CDL number
- The cargo manifest number
Correct answer: The company name and USDOT number
Federal regulations require commercial motor carriers to mark both sides of power units with the company name and USDOT number.
Question 5: A commercial vehicle driver must maintain Hours of Service (HOS) records to prevent what?
- Fuel theft
- Fatigue-related accidents by limiting driving hours (Correct answer)
- Unauthorized passenger transport
- Overloading of the vehicle
Correct answer: Fatigue-related accidents by limiting driving hours
HOS regulations limit driving time to combat driver fatigue, which is a leading cause of commercial vehicle accidents.
Question 6: Which document must accompany a commercial vehicle transporting regulated waste?
- Standard bill of lading only
- Hazardous waste manifest (Correct answer)
- Driver's medical certificate
- IFTA fuel tax report
Correct answer: Hazardous waste manifest
A hazardous waste manifest is required by the EPA and DOT to track regulated waste from origin to disposal site.
Motor Vehicle Division Commercial Vehicle Regulations 2
What is the standard maximum weight limit for a 5-axle tractor-trailer combination on US Interstate highways?