Idaho CDL prep has two sides: the written exams you can control with study, and the logistics of testing in a large rural state. The Idaho Transportation Department publishes the CDL requirements and fee schedule, including low-cost written tests and a much larger skills-test fee. If you are aiming for agriculture, logging, fuel, construction, regional freight, or seasonal work, plan the permit and skills-test sequence before you start paying for training.
Last verified: September 7, 2026.
Idaho CDL Quick Facts
| Item | Idaho CDL detail |
|---|---|
| CDL agency | Idaho Transportation Department |
| CLP fee | $29.00 learner’s permit, with an Idaho license required |
| Knowledge test fee | $5.00 each for written or endorsement knowledge tests |
| Skills test fee | $200.00 listed by ITD: $10 to the driver license office and up to $190 to the skills test examiner |
| CDL license fee examples | 1-year $15; 3-year age 18-21 $30; 4-year age 21+ $40; 8-year age 21+ $60 |
| Upgrade fee | $30.00 |
| Medical certification | Idaho notes that after June 23, 2025, medical certificates must be provided electronically by the medical provider |
| ELDT | Required for first-time Class A/B, upgrades, passenger, school bus, and HazMat |
| Official handbook | Download the July 2025 Idaho CDL Manual (PDF) |
Idaho-Specific CDL Policies
- Idaho requires one year of licensed driving experience. An applicant must be at least 18 and hold an Idaho Class D license—or pass the required Class D tests—but the CDL itself requires one year of licensed driving experience.
- Drivers ages 18–20 receive an intrastate restriction. Idaho places the K restriction on all CDL holders in that age group. Interstate commercial operation generally begins at 21.
- Seasonal CDL authority is tightly limited. It is available only for qualifying farm-related service industries, within 150 miles of the business or farm, for 180 days in a 12-month period, and no more than twice in the driver’s lifetime.
- The seasonal credential does not authorize Class A or passenger vehicles. Placarded HazMat is also excluded except for narrowly listed quantities of diesel fuel and fertilizer. It is not a shortcut to unrestricted trucking work.
- Skills testers are organized by region. ITD publishes separate examiner lists for North, North Central, Southwest, South Central, Southeast, and East Idaho. Vehicle access and examiner availability should be arranged before the CLP clock becomes a problem.
- Medical results must be sent by the examiner. Since June 23, 2025, Idaho says the medical provider—not the driver—must submit the result electronically to FMCSA.
Pick the Idaho CDL Practice Path
| Your Idaho goal | Tests to prepare | Practice path |
|---|---|---|
| First CDL permit | General Knowledge | Start General Knowledge diagnostic |
| Class A freight | Combination Vehicles | Start Combination diagnostic |
| Air-brake truck | Air Brakes | Start Air Brakes diagnostic |
| HazMat/fuel | HazMat + TSA + ELDT | Start HazMat diagnostic |
| Tank vehicle | Tank Vehicles | Start Tanker diagnostic |
| Doubles/triples | Doubles and Triples | Start Doubles diagnostic |
| Skills test | Pre-trip inspection | Start Pre-Trip diagnostic |
Idaho CDL Steps
- Hold an Idaho driver license. ITD’s fee table notes the learner permit must be attached to an Idaho license.
- Decide your class and endorsements. Class A, B, or C determines the knowledge and skills tests you need.
- Pass knowledge tests. Budget $5 per written or endorsement knowledge test.
- Get the CLP. The Idaho learner permit fee is listed at $29.
- Complete ELDT if required. Do this before skills testing for covered first-time/upgraded licenses and before HazMat endorsement issuance.
- Schedule the skills test. Idaho’s skills-test fee is much larger than its written-test fee, so do not treat the road test as practice.
- Issue or upgrade the CDL. Pay the license or upgrade fee based on age and duration.
Idaho-Specific CDL Traps
- The written tests are cheap; the skills test is not. Idaho’s $5 knowledge tests are forgiving. The $200 skills-test cost makes pre-trip and backing practice financially important.
- Medical submission is changing. Idaho states medical exams for CDL drivers must be submitted directly through the provider/Federal system after June 23, 2025.
- Seasonal CDL exists, but it is narrow. ITD lists a seasonal CDL fee. Do not assume seasonal status fits interstate, HazMat, passenger, or full-time trucking work.
- Terrain matters. Grades, winter driving, rural highways, and agricultural routes make space management and brake control high-value study topics.
Official Sources
- Idaho Transportation Department: Commercial Driver’s License
- Idaho Transportation Department: Download the July 2025 CDL Manual (PDF)
- FMCSA: Entry-Level Driver Training
FAQ
How much is an Idaho CDL learner permit?
Idaho Transportation Department lists the learner permit at $29.00.
How much is the Idaho CDL skills test?
ITD lists the skills test at $200.00, split between the driver license office and the skills test examiner.
What should Idaho CDL applicants study first?
Start with General Knowledge. Add Air Brakes, Combination Vehicles, and endorsements based on the truck you will actually test in.