Wyoming CDL practice tests

Wyoming issues its commercial license through the Wyoming Department of Transportation, the same agency responsible for the state's roads, rather than a separate motor vehicle office. That matters here more than most places, because Wyoming is the least populous state in the country spread across some of its largest distances, so a knowledge exam appointment can mean a genuinely long drive rather than a short trip across town.

What Wyoming requires

Every figure below names the document it came from, so you can check it rather than take our word for it.

Passing score
80% 49 CFR Part 383, Commercial Driver's License Standards, 383.135
Minimum age (in-state driving)
18 years old 49 CFR Part 383, Commercial Driver's License Standards, 383.71
Minimum age (across state lines)
21 years old 49 CFR Part 391, Qualifications of Drivers, 391.11
Permit holding period
14 days 49 CFR Part 383, Commercial Driver's License Standards, 383.25

Fees change without notice, so we do not repeat them here. Check Wyoming Department of Transportation for the current cost.

Wyoming practice tests

The knowledge tests are set by federal rule, so the questions are the same wherever you sit them. What changes is the paperwork above.

What Wyoming does differently

The exams themselves are set federally. 49 CFR Part 383 fixes what is tested, which endorsements exist, and the 80 percent pass mark, and none of it is written by Wyoming. What Wyoming adds is distance: with so few people spread over so much land, WYDOT runs fewer testing locations than a denser state would need, and the nearest one to you may sit a couple of hours away rather than a couple of miles. Long-haul trucking is a normal part of daily life here, which makes it worth treating a testing trip the same way you would treat a delivery run — plan the whole day around it, not just the exam.

Three interstate highways cross Wyoming, and a large share of the freight moving through the state is simply passing through on its way somewhere else. That makes Wyoming a working example of the federal interstate rule rather than an exception to it: plenty of drivers licensed here spend most of a shift outside the state they were tested in, which is exactly the situation the 21-year interstate minimum is written for.

Which tests you actually need

General knowledge is required of everyone. What else you need depends on the vehicle. Air brakes have a separate exam, and skipping it does not stop you getting licensed — it adds a restriction barring you from driving anything fitted with them. A trailer over ten thousand pounds brings in the combination vehicles exam. Beyond that sit the endorsements: tank, doubles and triples, hazardous materials, passenger, school bus. Hazardous materials needs a Transportation Security Administration background check that runs on its own schedule alongside the written test, so start it as soon as you know you will need the endorsement rather than after you have passed everything else.

Before you book

A commercial learner permit has to come before the skills test, and federal rule holds every state to the same fourteen-day gap between the two. Given how far apart Wyoming's testing locations can be, it is worth combining a knowledge exam trip with other errands in the same town, and sitting the exams as early in that fortnight as you can manage, so there is still time left in the permit if a resit is needed.

Fees are not published on this site. Wyoming sets its own and changes them, so confirm the current figure with WYDOT before you travel. What we publish is which questions each exam is drawn from and where in the source material to find the answer.

Jump to a test

Every question on every one of these is free, and each answer names the handbook page it came from.

Other states

Cited to the page, every time.

Every question names the handbook, section and page it was read from, so you can check the answer instead of taking our word for it.

How we write these