In recent years, the two-second rule has given way in some circles to the three-second rule. Add an additional two seconds for torrential rain and thunderstorms, snow or icy conditions, or for dust storms. So at 60mph your 3 second rule should have you follow 88 feet behind the car ahead. 1 mph = 1.4666 feet per second. You want to try and hit that second following interval sweet spot of 3 - 5 seconds. Rule of thumb here, it’s easier to slow down than it is to speed up. Those of you driving chumpy 4 cylinder vehicles are painfully aware of this fact. If it takes you 3-5 seconds to pass an object after the car ahead of you has passed it, you're at a safe following distance. The 2-second rule As the car in front passes a fixed point, such as a sign or a bridge, start to say ‘only a fool breaks the 2-second rule’ at a normal rate. Others have driven to be with family or to hunker down at second homes. The two (or three) second rule isn’t fixed. In some states, different following distances are suggested. The three-second rule is simple. The average sedan is around 177″. But is driving between states safe—or even allowed? When the car ahead of you passes it, start counting seconds. If you are on a dry, clear road and you reach the same fixed point before you have said the ‘two’ then you are too close and need to drop further back, to create the essential minimum of a two-second … Basic NHRA Safety Rules All cars must meet NHRA Rules and pass technical inspection ... 10.99 seconds (6.99 1/8th) or Super Street SFI 4.1 Transmission Shield, or at 135 mph Locking transmission dipstick tube Aftermarket axles and axle retainers SFI Harmonic Balancer 10 Those who use the safest driving techniques will be concentrating on what is happening around them using effective driving observation. The offense may allow the clock to run for 40 seconds without running another play, if it chooses. Add an additional second if it is raining. Merging while going slower than traffic causes the drivers coming up on you to get very aggravated that you don’t have the common sense to drive fast enough to merge. At least three seconds should pass before your car passes the same object [source: SmartMotorist]. You’ll need more space the faster you’re driving, so keep that in mind. This means the same rule has been used, but with a bit of buffer to ensure adequate space is left between vehicles. This effectively negates the game-stopping tactic. But, when is a driver driving too close? Notice whats happening around you. Drivers are allowed to extend the 10-hour maximum driving time and 15-hour on-duty limit by up to 2 hours when adverse driving conditions are encountered. There is some uncertainty as to … The three-second following distance applies to dry roads at any speed. Nowadays, the updated rule must read: Only a fool breaks the 2-second, 4-second, 10-second rule! The Three-Second Following Distance Rule. NFL rules do not call for a 10-second clock runoff in this scenario; rather, the play clock is reset to 40 seconds, and play may resume on the official’s ready signal. Find a stationary object on the side of the road. If you follow the ‘1 car for every 10 mph’ rule, the math works out to be almost exactly the same as the ‘3 second’ rule. 3) Follow Three Second Rule – Keep a Safe Distance It is highly recommended factor to the car driver to maintain a safe distance between the cars ahead. Driving observation is not just "seeing" things ahead while driving, but taking notice and reacting appropriately. If the other vehicle makes a sudden turn or stop, then the driver requires enough time to handle that situation. Vehicles are painfully aware of this fact for dust storms ( or three ) second should! You follow 88 feet behind the car ahead of you driving chumpy 4 cylinder vehicles are painfully aware this. 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