Space Management System Cont'd

We know that a following distance of two (2) seconds is effective for those traveling on dry surfaces at speeds of under 35 m.p.h.

Three (3) seconds gives a vehicle enough time for evasive steering or quick braking on dry surfaces of speeds from 35 to 45 m.p.h.

Four (4) seconds is a minimum effective following distance to steer out of a problem and quick braking on dry surfaces up to 70 m.p.h.

What if it is raining or other adverse weather is present? Add 1 to 2 seconds to your space cushion.

When should you INCREASE your following distance?

  • Limited Visibility
  • Tire Traction is limited
  • Visual and mental Driving Tasks Increase dramatically
  • Being Tailgated
  • Line of sight restriction
  • PATH of travel restriction
  • When carrying a heavy load/pulling a trailer
  • When LEARNING to drive
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