The DPS written test covers road rules, traffic signs, and safe driving practices specific to your state

The Department of Public Safety (DPS) written knowledge test is the exam you take to prove you understand your state's traffic laws and road signs before you get behind the wheel. The test is administered by your state's DPS office — the agency that issues driver's licenses. You answer questions about what different signs mean, when you must yield, speed limits, right-of-way rules, and what to do in emergencies. Most states require you to pass this test before you can take the behind-the-wheel driving test.

The format, number of questions, and passing score vary by state. Some states use a computer at the DMV or DPS office; others use paper. Some allow you to retake it the same day if you fail; others make you wait. The test is not timed in most states, but you should expect to spend 20 to 45 minutes on it. You cannot bring notes, phones, or study materials into the testing room.

Key Takeaways

  • Your state's DPS office administers the written test, and the exact number of questions, passing score, and format depend on which state you live in.
  • The test covers traffic signs, road rules, right-of-way, speed limits, and safe driving practices from your state's driver's manual.
  • You must study your state's official driver's manual before the test — it contains nearly all the information you will be asked about.
  • Most states allow you to take the test on a computer or paper, and you usually get your score when ready or within a few days.
  • If you fail, you can usually retake the test after a waiting period that ranges from the same day to several days, depending on your state.

How many questions are on the DPS written test

The number of questions varies by state. Most states ask between 30 and 50 questions on the written test. Some states use a shorter test of 20 to 25 questions for certain license types (like motorcycle or commercial). A few states use longer tests of 60 or more questions. You should check your state's DPS website or the driver's manual to find the exact number for your test.

The questions are usually multiple choice with four answer options. Some states include true-or-false questions or ask you to identify a traffic sign from an image. The test draws questions from a larger pool, so each person taking the test may see slightly different questions, though they cover the same topics.

What score do you need to pass

Most states require a score of 70 to 80 percent to pass the written test. This means if the test has 40 questions, you typically need to answer 28 to 32 correctly. A few states set the passing score at 60 percent, and a small number require 85 percent or higher. Your state's DPS office will tell you the passing score when you register for the test or in the driver's manual.

You will usually know your score when ready after you finish the test if you take it on a computer. If you take a paper test, the DPS office will score it and give you the result the same day or mail it to you within a few days. If you pass, you move on to scheduling your behind-the-wheel test. If you fail, you will be told how many questions you missed and which topics to study before you retake it.

What topics are covered on the test

The DPS written test covers everything in your state's official driver's manual. The main topics are traffic signs and their meanings, right-of-way rules, speed limits and when they change, parking rules, what to do at traffic lights and stop signs, how to handle emergencies, and safe driving practices. You will also see questions about impaired driving, distracted driving, and what to do if you are pulled over by police.

Some states include questions about vehicle maintenance (tire pressure, brake fluid, windshield wipers) and what to do if your vehicle breaks down on the highway. A few states ask about insurance requirements or what documents you must carry while driving. The exact mix depends on your state's laws and what the DPS considers most important for new drivers to know.

Traffic signs make up a large portion of most tests. You should be able to recognize and explain the meaning of stop signs, yield signs, speed limit signs, warning signs (like curve ahead or pedestrian crossing), and regulatory signs (like no parking or one-way). Study the sign section of your driver's manual carefully — it is one of the easiest parts to prepare for because the signs are always the same.

How to prepare for the DPS written test

Start by reading your state's official driver's manual from beginning to end. This manual is free and available on your state's DPS website or at the DPS office. It contains nearly all the information you will be tested on. Read it slowly and take notes on topics that confuse you. Pay special attention to traffic signs, right-of-way rules, and speed limit laws in your state.

After you read the manual, use practice tests to check what you have learned. Many states offer free practice tests on their DPS website. These tests use real questions from the actual test or questions that are very similar. Take the practice test more than once — aim to score 90 percent or higher before you take the real test. If you score below 80 percent on a practice test, go back to the manual and reread the sections you missed.

Some people use study apps or websites that offer practice tests for their state. These can be helpful, but make sure they are based on your state's current driver's manual. Laws and signs change, so an app that was made for an older version of the manual may have outdated information. The free practice tests on your state's DPS website are always current.

When you can take the DPS written test

You can take the written test at any DPS office or DMV location in your state that offers testing. Most offices are open Monday through Friday during business hours, and some are open on Saturday. A few states allow you to take the test at certain third-party locations, like some driver training schools. Check your state's DPS website to find the office nearest you and its hours.

You do not need an appointment in most states — you can walk in during business hours and take the test the same day. A few states require you to schedule an appointment online or by phone. Some offices get very busy at certain times of day or on certain days of the week, so arriving early in the morning or on a weekday may mean a shorter wait.

There is usually a fee to take the written test, though the amount varies by state. Most states charge between $10 and $30. Some states include the written test fee in the cost of your learner's permit or driver's license; others charge it separately. Bring cash or a debit card, as not all offices accept credit cards.

What happens if you fail the DPS written test

If you fail the test, you can retake it. The waiting period between attempts varies by state — some allow you to retake it the same day, others require you to wait one to seven days. You will usually have to pay the test fee again. The DPS office will tell you which topics you missed so you know what to study before your next attempt.

Most states allow you to retake the test as many times as you need, but a few states limit the number of attempts in a certain time period (for example, three attempts in 30 days). If you hit a limit, you may have to wait before you can test again. Check your state's rules before you schedule your first test so you know what to expect if you do not pass on the first try.

Frequently Asked Questions

Can I use my phone or notes during the DPS written test?

No. You cannot bring any study materials, phones, or electronic devices into the testing room. The DPS office will ask you to leave these items at the front desk or in your car. Attempting to use your phone or notes during the test will result in when ready disqualification and may prevent you from retaking the test for a set period.

Is the DPS written test the same in every state?

No. Each state's DPS office writes its own test based on that state's traffic laws and driver's manual. The topics are similar across states (signs, right-of-way, speed limits), but the specific questions and passing score are different. You must study your state's driver's manual, not another state's.

How long does the DPS written test take?

Most people finish the test in 20 to 45 minutes. The test is not timed in most states, so you can take as long as you need. If you are unsure about an answer, you can skip it and come back to it before you submit your test.

What if I fail the written test multiple times?

You can usually retake the test as many times as needed, though some states limit attempts in a certain time frame. Each time you retake it, you pay the test fee again. Focus on studying the topics you missed on your previous attempt. Consider using a different study method — if practice tests did not help, try reading the manual again or watching instructional videos.

Do I need to pass the written test before I can get a learner's permit?

In most states, yes. You must pass the written test to get a learner's permit, which you need before you can take the behind-the-wheel test. A few states allow you to get a learner's permit without passing the written test first, but this is uncommon. Check your state's DPS website to confirm the order of steps in your state.