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Oregon · OR
Oregon CDL
Knowledge Test
Everything you need to pass the Oregon CDL knowledge test. The same FMCSA-standardized questions used across all 50 states.
Total CDL fee
$91
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 Oregon
Oregon CDL fees: approximately $91 total (CLP $13 + CDL ~$78)
Port of Portland and Port of Astoria are Pacific Northwest maritime gateways — CDL demand is high
Oregon has a weight-mile tax for heavy trucks — CDL holders operating in Oregon must understand this
Oregon mountain highways (Mt. Hood, Crater Lake corridor) require CDL skill in steep-grade driving
CDL holders must hold CLP for at least 14 days before taking the CDL skills test
Oregon uses a unique weight-mile tax instead of fuel tax for commercial vehicles on state highways
Legal notice
This information is provided for educational purposes only. Requirements can change. Always verify with Oregon DMV for the most current information.
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