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.

At what speed should you use your vehicle's low beam headlights?

35 mph
15 mph
25 mph
45 mph

The correct answer is: 35 mph

There are a few reasons why options B, C and D are incorrect. Using low beam headlights at 15 mph, 25 mph or 45 mph may not provide enough illumination for safe driving. At 15 mph, low beams may not be necessary since the speed is so low. At 25 mph and 45 mph, using low beams could limit your visibility and hinder your ability to see hazards or obstacles on the road. Additionally, each state may have different laws regarding when to use low beams, but a common guideline is to use them when driving at speeds of 35 mph or less. This allows for adequate lighting while still being mindful of the brightness of your headlights for other drivers on the road.