How to Get Your CDL in Illinois

First

Which CDL do you need?

There are three classes. The one you go for decides what you can drive — and most over-the-road and freight jobs want Class A:

Class A — combination vehicles (a tractor pulling a trailer), 26,001 lbs or more. This is the semi-truck license, and it opens the most jobs.
Class B — a single heavy vehicle like a box truck, dump truck, or bus.
Class C — smaller vehicles carrying hazardous materials or 16+ passengers.

You can drive lighter vehicles with a Class A, so when in doubt, most people train for Class A.

Before you start

The basics you'll need

Age: 18+ to drive within Illinois (intrastate); 21+ to cross state lines (interstate) or haul passengers or hazmat. Most freight jobs are interstate, so plan for 21.
A valid Illinois driver's license (not suspended or revoked), your Social Security number, and proof of legal presence.
A DOT physical from an examiner on the federal National Registry — you get a Medical Examiner's Certificate (good for 2 years). Vision must be at least 20/40 in each eye. Costs about $75–$150.
A drug test — trucking is a zero-tolerance industry.

Be honest with yourself up front: a suspended license, certain medical conditions, or drug/alcohol violations can disqualify you, and some convictions (like drug trafficking) are a problem. If you've got an old record in the way, clearing it first can open this door — see the Clearing Your Record module.

Step 1

Pass the written tests — get your CLP

Study the Illinois CDL manual and pass the written knowledge tests at a Secretary of State facility — General Knowledge, plus Air Brakes and Combination Vehicles for Class A. You need 80% to pass. That gets you your Commercial Learner's Permit (CLP) — about $50, valid for 180 days. Free practice tests are all over the internet; use them until you're scoring high before you go in.

Step 2

Complete your ELDT training

Since February 2022, federal law requires Entry-Level Driver Training (ELDT) before you can take the skills test for a first Class A or B — and before the hazmat test. It has two parts: theory (classroom/online) and behind-the-wheel (real driving).

This is the one rule you can't skip: your training must come from a provider listed on the FMCSA Training Provider Registry. If a school isn't on that registry, your training won't count and you can't test. Always confirm the school is registered before you pay a dime.

Step 3

Hold your permit, then pass the road test

Federal law makes you hold your CLP at least 14 days before the skills test. Then you take the three-part skills test in a vehicle of the right class (the school provides it):

Pre-trip inspection — show you can check the truck for safety.
Basic control — backing, parking, offset alley docking.
Road test — driving safely on real roads.

Pass all three, pay the CDL fee (about $50–$60), and you're a licensed commercial driver. Start to finish, most people get there in 4 to 8 weeks.

Add-ons

Endorsements that pay more

Endorsements are extra qualifications that unlock higher-paying loads. Each needs an extra test (about $5 each):

H — Hazmat: haul hazardous materials. Requires a TSA background check and fingerprints, plus ELDT before the written test.
N — Tanker · T — Doubles/Triples (Class A) · P — Passenger · S — School bus (needs P too).

Hazmat and tanker (together, "X") are among the fastest ways to bump your pay once you've got experience.

The real question

How to get it paid for

Training is the big cost — a private CDL school runs roughly $3,000–$6,000. But most people in our community shouldn't pay that out of pocket, because there are real ways to get it covered:

Community colleges. Programs like College of DuPage (and others around Chicagoland) run full Class A training in about 6 weeks, often cheaper than private schools and eligible for financial aid.
WIOA / workforce funding. Federal job-training money can cover CDL training for people who qualify — through Illinois workNet and your local workforce office. (See the Free & Low-Cost Training page for how to tap it.)
Company-sponsored / paid CDL training. Many carriers will train you for free — or pay you while you train — in exchange for driving for them for a set time (often about a year). If you've got no money to start, this is often the door: you walk in with nothing and walk out licensed and employed.

For the Rock Solid Peace-to-Work path, this is a direct on-ramp to a career — and getting the training funded means you start earning instead of starting in debt.

The path, start to finish

All of it, in order

Pick your class (usually A) → valid license + DOT physical + drug test → pass the written tests for your CLP ($50) → complete ELDT from an FMCSA-registered provider → hold the CLP 14 days → pass the 3-part skills test → pay the fee and get your CDL → add endorsements to earn more. Get the training funded through a community college, WIOA, or a paid company program, and you turn a few weeks of work into a career that doesn't need a degree.

Want to go further than driving? Once you know the road, the Starting a Trucking Company module shows how to get your own authority and run your own trucks.

Note: General educational information for 2026 under Illinois and FMCSA rules; fees, requirements, and programs change. Confirm current steps with the Illinois Secretary of State (ilsos.gov) and verify any school on the FMCSA Training Provider Registry before paying.

Illinois SOS · CDL requirements & testing →