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Question 4600

Among the negative effects of speed is the tunnel effect, in which the driver...

  1. only perceives the center of the roadway and stops seeing the sides.
  2. has the false sensation of traveling at a low speed.
  3. perceives the sides of the road better than the center of the roadway.
Show answer and explanation

Correct answer: only perceives the center of the roadway and stops seeing the sides.

Tunnel vision occurs as your speed increases. Your useful field of vision narrows, you still see the center of the roadway clearly, and things off to the sides go by so quickly that you barely take them in. That's why you miss hazards and signs off to the sides.

DGT, Cuestiones de Seguridad Vial, Manual II