Texas DMV Written Driving Practice Test

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Study for the TX DMV Written Driving Test.. Study with flashcards and multiple-choice questions. With over 500 questions. Practice the signs and driving rules. Updated for 2024. Get ready for your driving test!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the minimum speed limit on most highways?

25 mph
40 mph
5 mph
10 mph

The correct answer is: 40 mph

Most highways have a minimum speed limit of 40 mph to ensure smooth traffic flow and prevent slower vehicles from impeding the flow. Options A, C, and D are incorrect because 25 mph would be too slow for a highway, 5 mph is too slow for any road, and 10 mph would also be too slow for a highway, potentially causing traffic congestion and increasing the risk of accidents. Option B, 40 mph, is the most appropriate minimum speed limit for highways.