A practice question is only useful if its answer is right for your state today. This page explains how the questions on DMV Exam Test are written, checked and corrected.
Sources
We write questions only from primary sources:
- the official driver, motorcycle and commercial driver manuals published by each state agency;
- state vehicle codes and the agencies' own web pages on licensing, points, insurance and fees;
- for commercial licenses, the federal regulations of the Federal Motor Carrier Safety Administration (49 CFR) and the commercial driver manuals the states adopt.
We do not copy questions from other practice test websites or from the official tests.
National rules and state rules
Rules that are the same in every state, such as what a sign means or how to handle a skid, are written once. Rules that change from state to state, such as speed limits, alcohol limits, teen licensing, insurance minimums and the format of the test, are written separately for each state, and each of those questions cites the page of the manual or the law that supports its answer. You can follow the link under any answer to check it yourself.
How questions are checked
Questions are drafted with the help of software tools, including AI, and none is published until it has been checked against its source. Every question is reviewed for four things: that the answer matches the cited source, that only one option is defensible, that the wording does not give the answer away, and that it is still current. New questions get a second, independent review. Questions about a road sign show the sign itself, so the wording never describes it.
Each state page shows the date its facts were last checked and the sources used. The current checks were completed between August 24, 2026 and September 2, 2026. When an agency does not publish a detail, such as the number of questions on its motorcycle test, we say so instead of presenting an estimate as fact.
Keeping it current
Laws change every year. We aim to re-check every state at least once a year and whenever we learn of a change. Recent checks found, for example, a state that had just raised its rural interstate speed limit and a manual link the agency had moved; both were corrected.
Corrections
If you think an answer is wrong or out of date, write to contact@letayer.llc with the state, the question and, if you can, the official source. We review every report and, if it is right, correct the question and update the date of the check.
Independence
DMV Exam Test is published by Letayer LLC and funded by advertising. Advertisers have no say in the content, and the site is not affiliated with any government agency.