Wyoming CDL Practice Test 2026 & Wyoming WYDOT Rules
Prepare for your commercial driver's license with the official Wyoming exam curriculum. TruckerPass combines the 985 federal FMCSA questions with Wyoming-specific commercial vehicle limits, air brake testing, and the 2026 Modernized Pre-Trip inspection.
Wyoming I-80 Extreme Wind Blowovers & Sherman Summit
- Sherman Summit on I-80 (elevation 8,640 ft, highest point on I-80) features severe winter icing and hurricane-force gusts exceeding 65 MPH.
- WYDOT issues mandatory 'Closure to Light, High-Profile Vehicles' alerts; driving a commercial vehicle past wind closure signs carries heavy fines.
- Wyoming allows triple trailers and Rocky Mountain doubles under standard WYDOT commercial permits.
- Wyoming DOT requires an 80% passing score on the 50-question CDL General Knowledge test.
Official Wyoming Test Format
- Licensing Agency: Wyoming Department of Transportation (WYDOT)
- General Knowledge: 50 questions, 80% to pass (at least 40 correct).
- Air Brakes Endorsement: 25 questions, 80% to pass (required for air-equipped rigs).
- Combination Vehicles: 20 questions, 80% to pass (Class A tractor-trailers).
- Modernized Pre-Trip Inspection: 4-Zone component walkaround + 4-Step air brake test.
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