The 3-Second Driving Rule: How to Keep a Safe Space Cushion
Whether you’re riding in the passenger seat watching your teen learn, or you’ve been driving for decades, the same moment makes your stomach drop: the car in front of you brakes hard, and you’re not sure there’s enough room. Sometimes you get away with it. Sometimes you don’t, and even a “small” rear-end crash can leave everyone shaken and your wallet lighter. Traffic today is denser, vehicles are heavier, drivers are more distracted than ever, and cars are much quieter than when most parents learned to drive. That makes it easy to underestimate speed and overestimate how much space you really have. Many drivers know they should leave more room between themselves and the vehicle ahead, but far fewer know how to measure that distance accurately. That’s where the three-second rule comes in. In the next sections, you’ll learn what the three-second rule when driving is, why it works better than relying on “car lengths,” how to apply it step by step, when...