Idaho CDL Requirements

Quick Facts - Idaho CDL Requirements

Idaho CDL Classes and Age Requirements

Idaho offers three classes of commercial driver's licenses, each with specific vehicle weight and configuration requirements:

Class A CDL

Allows operation of vehicles with a gross combination weight rating (GCWR) of 26,001+ pounds, where the towed vehicle weighs 10,001+ pounds. This includes tractor-trailers and truck-trailer combinations.

Class B CDL

Permits driving of single vehicles with a gross vehicle weight rating (GVWR) of 26,001+ pounds, or vehicles towing trailers under 10,000 pounds. Examples include large trucks, buses, and delivery vehicles.

Class C CDL

Required for vehicles under 26,001 pounds GVWR that transport 16+ passengers or hazardous materials. This includes small buses and hazmat vehicles.

Age Requirements

• 18 years old: Minimum age for any Idaho CDL for intrastate commerce only
• 21 years old: Required for interstate commerce and hazardous materials endorsement
• 16 years old: Special seasonal agricultural CDL available with restrictions

Knowledge Test Requirements

Before obtaining your Commercial Learner's Permit (CLP), you must pass written knowledge tests based on the Idaho CDL Driver's Manual. The required tests vary by license class:

Required Tests for Class A CDL

• General Knowledge Test: Required for all CDL applicants
• Combination Vehicles Test: Specific to Class A CDL operations
• Air Brakes Test: Required if driving air brake vehicles (avoid L restriction)

Additional Endorsement Tests

• T - Double/Triple Trailers: For pulling multiple trailers
• P - Passenger: For vehicles carrying 16+ passengers
• N - Tank Vehicles: For liquid cargo transport
• H - Hazardous Materials: Requires TSA background check
• S - School Bus: Requires P endorsement first
• X - Combination Tanker/Hazmat: Requires both N and H

Test Topics Covered

• Vehicle inspection procedures and safety systems
• Basic vehicle control and maneuvering
• Traffic laws and safe driving practices
• Cargo securement and weight distribution
• Emergency procedures and hazard recognition
• Air brake system operation and testing
• Combination vehicle dynamics and safety

Skills Test Requirements

After obtaining your CLP and waiting the mandatory 14-day period, you can schedule your CDL skills test. Idaho uses third-party examiners who charge separate fees (typically $190-$250).

Three-Part Skills Test

1. Pre-Trip Inspection: Demonstrate knowledge of vehicle components and safety checks
2. Basic Vehicle Control: Low-speed maneuvers including backing and parking
3. On-Road Driving: Real-world driving including turns, lane changes, and traffic situations

Important Skills Test Rules

• Must hold CLP for minimum 14 days before testing
• CLP required for any skills test (new license, upgrades, restriction removal)
• Must provide properly equipped vehicle for testing
• Vehicle must match the CDL class and endorsements being tested

Medical Requirements

All Idaho CDL applicants must meet federal DOT medical standards:

DOT Physical Examination

• Performed by FMCSA-certified medical examiner
• Results in Medical Examiner's Certificate (MEC)
• Vision test included to ensure adequate eyesight
• Medical certificate must remain current to avoid CDL downgrade

Medical Disqualifications

Certain medical conditions may disqualify you from obtaining a CDL, including:

• Uncontrolled diabetes or epilepsy
• Severe vision or hearing impairments
• Cardiovascular conditions affecting safe driving
• Mental health conditions that impair judgment
• Substance abuse issues

Entry-Level Driver Training (ELDT)

Federal ELDT requirements apply to Idaho CDL applicants seeking their first CDL or certain upgrades after February 7, 2022:

Who Needs ELDT

• First-time Class A or Class B CDL applicants
• Drivers upgrading CDL classes (e.g., Class B to Class A)
• Applicants for P (passenger), S (school bus), or H (hazmat) endorsements

ELDT Components

• Theory Training: Classroom or online instruction covering required topics
• Behind-the-Wheel Training: Hands-on driving instruction
• FMCSA Registry: Training must be completed with TPR-listed provider

Idaho CDL Fees

Note: Counties may add small administrative fees. Verify exact amounts with your local DMV office.

Endorsements and Restrictions

Common CDL Endorsements

• H - Hazardous Materials: Requires written test, background check, and age 21+
• P - Passenger: Written and skills tests for 16+ passenger vehicles
• S - School Bus: Additional requirements beyond P endorsement
• N - Tank Vehicles: Written test for liquid cargo transport
• T - Double/Triple: Written test only for multiple trailers

Common CDL Restrictions

• L - No Air Brakes: If you test without air brake vehicle
• E - Automatic Transmission: If you test with automatic transmission
• O - No Tractor-Trailer: Limits vehicle combinations

Special Idaho Requirements

One-Year Driving Experience

Idaho requires at least one year of licensed driving experience before obtaining a CDL. Out-of-state applicants must provide driving records to prove this experience.

Residency Documentation

You must provide two documents showing your Idaho residence address, such as:

• Lease agreement or mortgage statement
• Utility bills or bank statements
• Insurance cards or tax documents
• W-2 or 1099 forms

Citizenship Requirements

• Original birth certificate or U.S. passport
• Social Security card
• Permanent residents must show Permanent Resident Card

Testing Locations and Scheduling

Knowledge Tests

Conducted at county DMV offices throughout Idaho. Many locations require appointments for CDL testing. Contact your local office for scheduling requirements.

Skills Tests

Idaho uses third-party examiners for CDL skills testing. These may include:

• Commercial driving schools
• Private testing companies
• State-approved examiners

Schedule through your chosen examiner after obtaining your CLP and completing the 14-day waiting period.

Reciprocity and Transfers

Idaho follows federal CDL reciprocity rules:

• You may hold only one CDL nationwide
• Must surrender out-of-state CDL when applying for Idaho CDL
• Out-of-state CDLs accepted if expired less than two years
• Idaho CDL valid for interstate commerce in all states (age restrictions apply)

How to Apply for Your Idaho CDL

1. Gather Required Documents
   • Birth certificate or passport
   • Social Security card
   • Two Idaho residency proofs
   • Current driver's license
2. Complete DOT Medical Exam
   • Find FMCSA-certified examiner
   • Obtain Medical Examiner's Certificate
   • Submit medical documentation to DMV
3. Complete ELDT Training (if required)
   • Enroll with TPR-listed provider
   • Complete theory and behind-the-wheel training
   • Verify completion uploaded to FMCSA registry
4. Study for Knowledge Tests
   • Download Idaho CDL Driver's Manual
   • Focus on required test sections for your license class
   • Take practice tests online
5. Take Knowledge Tests
   • Schedule appointment at county DMV office
   • Pass required written tests
   • Pay testing and CLP fees
6. Wait 14 Days
   • Practice driving with CLP
   • Schedule skills test with third-party examiner
   • Prepare vehicle for testing
7. Pass Skills Test
   • Complete pre-trip inspection
   • Demonstrate basic vehicle control
   • Pass on-road driving test
8. Obtain Your CDL
   • Return to DMV with passing scores
   • Pay license fee
   • Receive temporary license
   • Permanent license mailed within 30 days

For the most current information and to find your nearest testing location, visit the official Idaho Transportation Department DMV website.