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Idaho CDL Study Material by license class

Pick the class you are testing for. Each one bundles the tests that class requires.

Most popular

Idaho Class A CDL Study Material

Pulling a trailer over 10,000 lbs takes a Class A. Three written tests stand between you and that license: General Knowledge, Air Brakes, and Combination Vehicles. This covers all three, plus the skills test. Food manufacturing, plus lumber and forest products are the big Idaho (ID) employers for this license.

  • 📖 General Knowledge
  • 🛑 Air Brakes
  • 🚛 Combination Vehicles
  • ✅ Skills Test
  • 🎧 CDL Manual Audio
Study material

Idaho Class B CDL Study Material

Straight trucks, dump trucks, and buses over 26,001 lbs need a Class B. If that is the vehicle you will drive, this is the study material for its knowledge and skills tests, without the Class A combination-vehicle content you do not need. Around Idaho you will see it in mining equipment, plus agriculture and potato processing.

  • 📖 General Knowledge
  • 🛑 Air Brakes
  • ✅ Skills Test
  • 🎧 CDL Manual Audio
Study material

Idaho Class C with Passenger CDL Study Material

Vans and small buses that carry 16 or more people need a Class C with a Passenger endorsement. Both tests are covered here: General Knowledge and Passenger. Agriculture and potato processing, plus mining equipment are the big Idaho (ID) employers for this license.

  • 📖 General Knowledge
  • 🚌 Passenger
  • 🎧 CDL Manual Audio
Study material

Idaho Class C + HazMat CDL Study Material

Delivering placarded hazardous materials in a lighter vehicle still requires a CDL: a Class C with HazMat. This covers the General Knowledge test and the HazMat test that come with it. In Idaho that is mostly mining equipment, plus food manufacturing work.

  • 📖 General Knowledge
  • ⚠️ Hazardous Materials
  • 🎧 CDL Manual Audio

Specialty study material

Endorsement combinations and the Class B to Class A upgrade.

Study material

Idaho School Bus CDL Study Material

School districts and their contractors only hire drivers who hold both the School Bus (S) and Passenger (P) endorsements. Add them to your CDL with the three tests included here. Idaho (ID) employers that hire for it: Idaho school districts and their contractors, plus agriculture and potato processing.

  • 📖 General Knowledge
  • 🚌 Passenger
  • 🚐 School Bus
  • 🎧 CDL Manual Audio
Study material

Idaho HazMat + Tanker CDL Study Material

Fuel, chemical, and bulk-liquid tankers require HazMat and Tank Vehicles together, the X endorsement. This prepares you for both tests so you can take those hauls. In Idaho that is mostly agriculture and potato processing, plus food manufacturing work.

  • ⚠️ Hazardous Materials
  • 🛢️ Tank Vehicles
  • 🎧 CDL Manual Audio
Upgrade

Idaho Class B to Class A Upgrade Study Material

Already hold a Class B and being asked to pull trailers? Moving up to Class A means passing Combination Vehicles and Air Brakes. This program covers both, plus the upgrade theory. Around Idaho you will see it in mining equipment, plus food manufacturing.

  • 🚛 Combination Vehicles
  • 🛑 Air Brakes
  • ⬆️ Class B to A Upgrade

Idaho Individual Study Material

Already have most of what you need? Buy just the tests you are missing. Add enough of them and your cart upgrades to the matching study material automatically.

Core knowledge

📖

Idaho General Knowledge

General Knowledge covers the core rules, safe driving practices, vehicle inspection steps, and cargo basics every commercial driver must know before getting behind the wheel. The Idaho jobs behind it: mining equipment, plus food manufacturing. You test with Idaho Transportation Department.

🛑

Idaho Air Brakes

Air Brakes prepares drivers to understand, inspect, and safely operate vehicles equipped with air brake systems. The Idaho jobs behind it: lumber and forest products, plus mining equipment. You test with Idaho Transportation Department.

🚛

Idaho Combination Vehicles

Combination Vehicles covers tractor-trailers and other vehicle combinations, including coupling, air lines, inspections, and trailer handling. In Idaho that is mostly mining equipment, plus food manufacturing work.

✅

Idaho Skills Test

Skills prep focuses on pre-trip inspection, basic vehicle control, and on-road driving readiness. Around Idaho you will see it in agriculture and potato processing, plus lumber and forest products.

Endorsements

🚌

Idaho Passenger

Passenger prep focuses on safely operating passenger-carrying commercial vehicles. Around Idaho you will see it in agriculture and potato processing.

🚚

Idaho Doubles and Triples

Doubles/Triples covers multiple-trailer operation, including coupling, inspections, stability, and following distance. Mining equipment, plus food manufacturing are the big Idaho (ID) employers for this license.

🛢️

Idaho Tank Vehicles

Tank Vehicles focuses on liquid or gaseous cargo and how surge affects braking, turning, and stability. The Idaho jobs behind it: agriculture and potato processing, plus food manufacturing. You test with Idaho Transportation Department.

⚠️

Idaho Hazardous Materials

The HazMat endorsement is for drivers who transport hazardous materials that require placards. Idaho (ID) employers that hire for it: lumber and forest products, plus mining equipment.

🚐

Idaho School Bus

School Bus endorsement focuses on student transportation, loading and unloading, crossings, stop procedures, and emergency planning. Around Idaho you will see it in Idaho school districts and their contractors.

Add-ons

🎧

Idaho CDL Manual Audio

Narrated audio for all CDL study material. Listen while you drive, walk, or review on any device. Idaho Transportation Department gives this test in Idaho.

⬆️

Idaho Class B to A Upgrade

Theory review for Class B CDL holders upgrading to Class A, covering combination vehicle operation, coupling, and HOS. Lumber and forest products, plus mining equipment are the big Idaho (ID) employers for this license.

Which study material fits Idaho?

Recommendations based on the work that hires CDL drivers in Idaho.

Idaho Class A CDL Study Material

Agriculture and potato processing: reefers, livestock trailers, and bulk hoppers run on a Class A

See the Idaho details →

Idaho Class B CDL Study Material

Lumber and forest products: dump trucks, mixers, and straight-truck deliveries are Class B

See the Idaho details →

Idaho School Bus CDL Study Material

Idaho school districts and their contractors: S and P endorsements on a Class B

See the Idaho details →

Idaho Complete CDL Study Material

Not sure which Idaho jobs you will take: every class and endorsement Idaho Transportation Department can test, in one place

See the Idaho details →

Idaho CDL work concentrates on the I-84, I-86, I-15 corridors and the Boise area. The practice questions use the vehicles, loads, and conditions common on those routes.

Testing, appointments, and fees are handled by Idaho Transportation Department. Not sure which class you need? Use the Idaho CDL Selector, or read about Idaho CDL classes and endorsements.

Common Idaho questions

Which Idaho CDL study material should I buy?
Match it to the vehicle: Class A for tractor-trailers, Class B for straight trucks and buses, Class C with Passenger for vans and small buses. Add HazMat + Tank for fuel and chemicals and School Bus for district work. The Complete study material covers all of it if you are undecided. The free Idaho CDL Selector asks a few questions and picks for you.
Are these practice tests valid for the Idaho CDL exam?
Yes. CDL knowledge tests follow the federal standard in 49 CFR 383, so the material applies in Idaho. Tests are administered by Idaho Transportation Department; each product page lists the Idaho specifics for that test.
How long do I have access?
120 days from purchase for each product, or 180 or 365 days if you pick a longer term, with unlimited practice tests during that time. Most Idaho applicants pass well inside that window, and a retake at Idaho Transportation Department is still covered if needed.