Motor Vehicle Division Commercial Vehicle Regulations 2

Question 1

What is the standard maximum weight limit for a 5-axle tractor-trailer combination on US Interstate highways?

Accepted Answer

80,000 lbs

Answer

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?

Accepted Answer

8.5 feet (102 inches)

Answer

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?

Accepted Answer

Class A CDL

Answer

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?

Accepted Answer

The company name and USDOT number

Answer

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?

Accepted Answer

Fatigue-related accidents by limiting driving hours

Answer

HOS regulations limit driving time to combat driver fatigue, which is a leading cause of commercial vehicle accidents.

Motor Vehicle Division Practice Test