When driving on motorways, dual carriageways, or roads with little traffic, approximately how often should you check the rear-view mirrors?

Question

DentroTest · Accepted Answer

Constant observation is fundamental for defensive driving. The frequency varies depending on the environment: On motorways or interurban roads with little traffic: You should check the mirrors every 10 to 15 seconds. Even if the situation seems static, high speeds mean circumstances change rapidly in terms of distance. On urban roads or in heavy traffic: The frequency increases to every 5 to 10 seconds due to the higher number of stimuli and sudden changes in the environment. Checking only before maneuvering is incorrect and dangerous, as the driver must maintain permanent control of the surroundings (panoramic vision) before even considering a maneuver.

When driving on motorways, dual carriageways, or roads with little traffic, approximately how often should you check the rear-view mirrors?

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