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STOPPING DISTANCES

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It's


Stopping distances


Try this "simple" formula

  • x2 ÷ 20 + x = Overall stopping distance in feet where x = speed
  • Whilst you hunt for the calculator you'll probably hit the vehicle in front

Thinking Distance?

  • This is the distance you travel thinking about braking

Braking Distance?

  • This is how far you carry on going whilst pushing on the brake pedal

Total Stopping Distance?

  • This is how far you went before you finally stopped
  • It's your thinking distance and stopping distance added together

Over the years "stopping distances" have been argued as no longer appropriate for today's modern "high tech" vehicles, often equipped with sophisticated braking systems and on board computers
  • But not everyone drives modern "high tech" vehicles
  • Picture the driver with a highly modified 10 year old vehicle
  • Fitted with a state of the art music system
  • And a state of the art lighting system: often underneath the car
  • With a braking system that uses 10 year old technology
  • Driven by someone with 10 months driving experience

It's why "stopping distances" haven't attempted to keep up with technology

Oops
  • Stopping distances are based upon a normal mass produced family car
  • Stopping distances are based upon an alert driver on a dry road with good brakes and tyres
  • Try the free Theory Test and Stopping Distance quizzes on this site
  • Each quiz returns an explanation of the question

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