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If you’re driving at 55 mph, you should not use the opposing lane to pass another vehicle if you are within _________ of a hill or curve.

Correct answer

  • one-third of a mile
  • two miles
  • one mile

Explanation

If you use the opposing lane to pass another vehicle, you must complete the pass before you risk colliding with an oncoming vehicle. At 55 mph, you need about 10 seconds to pass another vehicle safely. At that speed, your vehicle will travel over 800 feet in 10 seconds. So will an oncoming vehicle. Thus to complete the pass in 10 seconds, you'll need over 1,600 feet ? about a third of a mile. And at a distance of 1,600 feet, it is hard to judge how fast an oncoming vehicle is traveling.

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