A traffic emergency requires you to escape to the shoulder or roadside. If possible, slow down to ____ mph before using your brakes.

Question

Accepted Answer

B: 20. Commercial trucks are designed to use engine braking to slow down. The service brakes should only be used to supplement engine braking. Under normal conditions, try to slow to 20 mph before applying the service brakes.

A traffic emergency requires you to escape to the shoulder or roadside. If possible, slow down to ____ mph before using your brakes.

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