It’s a guideline for sustaining a protected following distance from the automobile forward. The tactic includes choosing a stationary object on the highway, corresponding to a signpost or overpass. When the automobile in entrance passes that object, start counting “one-thousand-one, one-thousand-two.” If one’s personal automobile passes the identical object earlier than ending the depend, the next distance is just too brief and must be elevated.
Adhering to this precept can considerably scale back the danger of rear-end collisions. It gives sufficient time to react to sudden occasions, corresponding to sudden braking by the previous automobile. Whereas the precise origin of the advice is troublesome to pinpoint, it has develop into a normal ingredient in driver’s education schemes worldwide as a result of its effectiveness in enhancing highway security. This apply inherently contributes to smoother visitors stream.