Work Truck Logo
MenuMENU
SearchSEARCH

How to Know: Does My Driver Need a CDL?

To avoid fines and penalties for improper licensing, it’s imperative to understand the nuances behind which of your drivers need a commercial driver’s license. Here is a cheat sheet.

by John Kuder, Avatar Fleet
August 6, 2021
How to Know: Does My Driver Need a CDL?

The best way to tell if a vehicle requires a CDL is its weight. Generally, all Class A, B, and C vehicles traveling on the interstate requires the license.

Photo: Lê Minh from Pexels

4 min to read


In order to protect your company from hefty fines, it’s essential to understand whether or not your drivers need a commercial driver’s license (CDL).

Ad Loading...

There’s a common misconception that CDLs only apply to tractor-trailers or large buses. In reality, the rules and regulations for who needs a CDL are more nuanced than that. They extend to many utility departments, municipalities, and more.

Ad Loading...

The penalties for driving without proper licensing can be severe for both driver and company. Not only that, but putting someone behind the wheel without the proper certification or training is extremely dangerous.

This article will explain what types of vehicles require a CDL, along with some ways you can ensure your drivers prevent accidents while behind the wheel.

What is a CDL & What are the Requirements?

Commercial driver’s licenses were made law on April 1, 1992. Since then, drivers of certain vehicles are required to obtain and hold a CDL from their state in order to drive interstate, intrastate, or foreign commerce.

Whether or not a vehicle requires a CDL is most often determined by weight. However, CDL requirements can also include hazardous materials and passenger capacity.

If a vehicle falls into any of the following categories, a driver needs the corresponding CDL license to drive it:

Ad Loading...

Class A -  Any combination of vehicles that has a gross combination weight rating (GVWR) or gross combination weight of 26,001 pounds or more, inclusive of towed unit(s) with a gross vehicle weight rating or gross vehicle weight of more than 10,000 pounds.

Class B - Any single vehicle which has a gross vehicle weight rating or gross vehicle weight of 26,001 pounds or more, or any such vehicle towing a vehicle with a gross vehicle weight rating or gross vehicle weight that does not exceed 10,000 pounds.

Class C - Any single vehicle, or combination of vehicles, that does not meet the definition of Class A or Class B, but is either designed to transport 16 or more passengers, including the driver, or is transporting material that has been designated as hazardous under 49 U.S.C. 5103 and is required to be placarded under subpart F of 49 CFR Part 172 or is transporting any quantity of a material listed as a select agent or toxin in 42 CFR Part 73.

In sum, any vehicle that falls under Class A, B, or C (and is driven interstate, intrastate, or carrying foreign commerce) requires a CDL.

To obtain a CDL, a driver must pass a knowledge and skills test implemented by their state or state provider of CDLs. The test is usually done in the type of vehicle they will be driving for work.

Ad Loading...

What Is the Purpose Behind Requiring a CDL?

Based on the three license class types, a commercial vehicle is either:

Any three of those spell disaster if an accident were to happen. Collisions involving them are more likely to be severe or even fatal. Therefore, it makes sense to ask more of these drivers.

However, just because a driver has their CDL does not mean they’re a safe driver. The test focuses heavily on rules and regulations. While that’s important for CDL drivers, it does not prepare them for being safe, defensive drivers.

Compliance Does NOT Equal Safety

Whether you have CDL or non-CDL drivers getting behind the wheel for you, you need to train them on specific safe driving techniques.

Ad Loading...

Remember, compliance does not equal safety. Safety training is about changing someone’s behavior. If you want to reduce your accidents, you should:

  • Assign online self-directed training at point of hire

  • Conduct in-person safety training for new-hires

  • Host monthly safety meetings focused on loss-leading indicators

  • Disperse frequent safety messaging to drivers in form of posters, safety e-blasts, etc.

Getting your driver’s the proper licensing and staying compliant is only half the battle. Preventing accidents, reducing your cost of loss, and saving lives is a whole different game all together.

About the Author: John Kuder is a senior instructional designer at Avatar Fleet, the creators of the non-CDL safety training course, The Fleet Safety Course.

Originally posted on Automotive Fleet

Subscribe to Our Newsletter

More Safety

A shot of a Volvo electric vehicle with a man charging it in front of a residence.
SponsoredAugust 1, 2026

Top 50 Executive Fleets

It is that time of year again! Time for the 2026 list of the Top 50 Executive Fleets, presented by Automotive Fleet and Volvo as part of its annual Fleet 500. Download now to see this year's list of companies!

Read More →
Promotional image announcing a partnership between TRUCE and Applause, featuring a driver’s hands on a steering wheel to represent connected fleet technology, driver safety, and mobile device management.
Safetyby News/Media ReleaseJuly 30, 2026

Applause & TRUCE Software Partner to Improve Driver Safety Through AI-Powered Telematics & Employee Performance Management

Applause has integrated TRUCE driving metrics directly into its employee-first performance and safety platform that transforms mobile devices into AI-powered telematics.

Read More →
Work Truck “Trucks, Tips & Tours” promotional graphic featuring a vocational truck approaching a crash-test vehicle, highlighting Detroit Assurance collision mitigation technology with the headline “Collision Mitigation Explained.”
Safetyby Wayne ParhamJuly 21, 2026

How Detroit Assurance with Active Brake Assist Works

Do you want to see what it is like to experience Detroit Assurance’s Active Brake Assist? In this video, Work Truck will put you in the cab to see how it all works and then hear more details from DTNA’s Mike Young.

Read More →
Ad Loading...
Black graphic with large white text reading “Stop Workplace Violence” framed by blue accent lines.
SafetyJuly 21, 2026

Get Left of Loss: A 5-Step Workplace Prevention Framework for Fleet Operators

Violence risks do not stop at the driver’s door. Learn five practical steps fleets can take to spot threats early and protect workers before loss occurs.

Read More →
Promotional graphic for a Utilimarc guide titled How Better Visibility Cut Speeding Violations by 48% featuring a call-to-action to download the guide.
SponsoredJuly 17, 2026

How Better Visibility Cut Speeding Violations by 48%

Fleet leaders don't need more data, they need clearer visibility into what the data is saying. This case study explores how one utility replaced speeding-event counts with a single metric — miles driven in violation — to strengthen safety and significantly reduce speeding violations.

Read More →
Commercial truck driver wearing a red seat belt smiles from the driver’s seat of a blue truck.
Safetyby StaffJuly 15, 2026

13 Safe Driving Tips for Commercial Vehicle Drivers

Make sure you are spending time on the road safely with these important tips.

Read More →
Ad Loading...
Pavement background with double yellow lines and large text that says Recall, July, and Work Truck logo.
Safetyby Wayne ParhamJuly 10, 2026

Recalls You Need to Know About in July 2026

If you have Altec, Ford, General Motors, Harbinger, Hyundai, Mack Trucks, or Volvo Trucks vehicles in your fleet, you should check these important recalls issued by the National Highway Safety Administration.

Read More →
Illustration of a human hand reaching toward a robotic hand over an aerial view of a city at dusk, with interconnected location pins and network lines symbolizing AI, telematics, connected fleet technology, and data-driven transportation.
SafetyJuly 6, 2026

How Telematics Is Transforming Fleet Risk from Insight to Action

What if you could spot risky driving before it leads to a crash? See how telematics is still changing fleet safety today.

Read More →
View from inside a commercial truck cab showing a driver at the wheel with a large marijuana leaf overlaid by a red prohibition symbol, illustrating DOT restrictions on marijuana use for commercial drivers.
Safetyby Kathy CloseJuly 2, 2026

DOT Rules Remain Firmly Lit on Marijuana

DOT says not so fast on marijuana. Even with federal reclassification efforts, commercial drivers in safety-sensitive roles remain subject to marijuana testing and prohibitions.

Read More →
Ad Loading...
LytxOne promotional graphic featuring an in-cab dash camera and icons representing analytics, search, recording, video, reporting, driver performance, fuel, and location. Headline reads, “New Features Available Now.”
Safetyby News/Media ReleaseJuly 1, 2026

Lytx Adds Fleet Management Enhancements to LytxOne Platform

Lytx has added new features to LytxOne to bring safety, operational insight, asset visibility, and compliance into a unified, all-in-one platform.

Read More →