AZDOT AZDOT Commercial Vehicle Regulations 2 — Questions and Answers
Question 1: What blood alcohol concentration (BAC) limit applies to CDL holders operating a commercial motor vehicle in Arizona?
- 0.08%
- 0.06%
- 0.04% (Correct answer)
- 0.02%
Correct answer: 0.04%
Arizona CDL holders are subject to a BAC limit of 0.04% while operating a commercial motor vehicle, which is half the standard limit for non-commercial drivers.
Question 2: In Arizona, a CDL holder convicted of a DUI in any vehicle will face which CDL consequence?
- A warning on their record only
- A 30-day CDL suspension
- At least a one-year CDL disqualification (Correct answer)
- Required defensive driving course
Correct answer: At least a one-year CDL disqualification
A first DUI conviction in any vehicle results in at least a one-year CDL disqualification in Arizona, regardless of whether the driver was in a commercial vehicle.
Question 3: Arizona requires commercial vehicle operators transporting goods across state lines to comply with regulations issued by which federal agency?
- Federal Highway Administration (FHWA)
- National Highway Traffic Safety Administration (NHTSA)
- Federal Motor Carrier Safety Administration (FMCSA) (Correct answer)
- U.S. Department of Transportation Office of Inspector General
Correct answer: Federal Motor Carrier Safety Administration (FMCSA)
Interstate commercial vehicle operators must comply with FMCSA regulations, which Arizona enforces at ports of entry and through DPS roadside inspections.
Question 4: What is the maximum combined gross vehicle weight allowed on Arizona Interstate highways without a special permit?
- 72,000 lbs
- 78,000 lbs
- 80,000 lbs (Correct answer)
- 85,000 lbs
Correct answer: 80,000 lbs
The federal and Arizona standard maximum gross vehicle weight on Interstate highways is 80,000 lbs without an oversize/overweight permit.
Question 5: Which type of commercial vehicle operation requires a Passenger (P) endorsement on an Arizona CDL?
- Transporting livestock
- Operating a school bus
- Driving a vehicle designed to carry 16 or more passengers including the driver (Correct answer)
- Hauling oversized cargo
Correct answer: Driving a vehicle designed to carry 16 or more passengers including the driver
A Passenger (P) endorsement is required to operate vehicles designed to transport 16 or more persons, including the driver, for compensation.
Question 6: Arizona commercial vehicles must stop for inspection at which locations?
- Any gas station along the route
- AZDOT district offices only
- Designated ports of entry and weigh stations (Correct answer)
- Only if flagged by a DPS officer
Correct answer: Designated ports of entry and weigh stations
Commercial vehicles in Arizona are required by law to stop at all open ports of entry and weigh stations for inspection and weight verification.
AZDOT AZDOT Commercial Vehicle Regulations 2
What blood alcohol concentration (BAC) limit applies to CDL holders operating a commercial motor vehicle in Arizona?