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Idaho · ID
Idaho CDL
Knowledge Test
Everything you need to pass the Idaho CDL knowledge test. The same FMCSA-standardized questions used across all 50 states.
Total CDL fee
$46
CLP wait
14 days
Min age
18+
To pass
80%
CDL Test Sections
The CDL knowledge test is administered by section. Passing score for all sections is 80%.
✓
General KnowledgeREQUIRED
50 questions · Pass with 40+
A
Air Brakes
25 questions · Pass with 20+
C
Combination Vehicles
20 questions · Pass with 16+
H
Hazardous Materials (HazMat)
30 questions · Pass with 24+
D
Doubles & Triples
20 questions · Pass with 16+
T
Tanker Vehicles
20 questions · Pass with 16+
P
Passenger Transport
20 questions · Pass with 16+
S
School Bus
20 questions · Pass with 16+
What to Know About CDL in Idaho
Idaho CDL fees: approximately $46 total (CLP $22 + CDL $24)
Idaho is a major agricultural state — potato, grain, and livestock trucking create CDL demand
Agricultural exemptions apply for farm operations within 150 air miles during planting/harvest
Mountain passes on I-84 and US-20 require CDL drivers to understand chain laws and steep grade rules
Boise is a growing freight hub for the Pacific Northwest
CDL holders must hold their CLP for at least 14 days before taking the skills test
Legal notice
This information is provided for educational purposes only. Requirements can change. Always verify with Idaho Transportation Department (ITD) for the most current information.
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