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  2. Defensive driving - Wikipedia

    en.wikipedia.org/wiki/Defensive_driving

    Defensive driving describes the practice of anticipating dangerous situations, despite adverse conditions or the mistakes of others when operating a motor vehicle. [ 1 ] [ a ] It can be achieved by adhering to general guidelines, such as keeping a two- or three-second gap between the driver's vehicle and the vehicle in front to ensure adequate ...

  3. Two-second rule - Wikipedia

    en.wikipedia.org/wiki/Two-second_rule

    The three second rule is a time for the defensive driver to judge the minimum safe trailing distance to help avoid collisions under ideal driving conditions. The red car's driver picks a tree to judge a two-second safety buffer. The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed.

  4. Following distance - Wikipedia

    en.wikipedia.org/wiki/Following_distance

    Following distance is the space between the back of a vehicle and the front of the following vehicle in traffic. National recommendations. Australia In the ...

  5. Braking distance - Wikipedia

    en.wikipedia.org/wiki/Braking_distance

    Braking distance refers to the distance a vehicle will travel from the point when its brakes are fully applied to when it comes to a complete stop. It is primarily affected by the original speed of the vehicle and the coefficient of friction between the tires and the road surface, [Note 1] and negligibly by the tires' rolling resistance and vehicle's air drag.

  6. Road signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_the_United...

    Bridge out (distance) miles ahead, local traffic only. R11-4 Road closed to thru traffic. R12 series: Weight limits. R12-1 Weight limit. R12-2 Axle weight limit. R12-4

  7. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...

  8. Tailgating - Wikipedia

    en.wikipedia.org/wiki/Tailgating

    Tailgating is the action of a driver driving behind another vehicle while not leaving sufficient distance to stop without causing a collision if the vehicle in front stops suddenly. [1] The safe distance for following another vehicle varies depending on various factors including vehicle speed, weather, visibility and other road conditions. Some ...

  9. Assured clear distance ahead - Wikipedia

    en.wikipedia.org/wiki/Assured_Clear_Distance_Ahead

    Quantitatively this distance is a function of the appropriate time gap and the operating speed: d ACDA =t gap ⋅v. The assured clear distance ahead rule, rather than being subject to exceptions, is not really intended to apply beyond situations in which a vigilant ordinarily prudent person could or should anticipate. [4]