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3 seconds
Three seconds
3 Seconds
2
It is five seconds
The distance depends upon the speed. It is the distance required to result in a time interval of at least two seconds.It depends on your speed.
1 city block or 12 seconds
4
When driving, you should always measure your following distance in seconds. A general rule of thumb is to maintain a following distance of at least 3-4 seconds between your vehicle and the one in front of you. This distance allows you enough time to react and brake safely in case of an emergency.
While driving, one should stay two seconds away from the person in front of them at speeds under 30 mph, adding another second for every 10mph above 30.
I usually leave 5 to 6 seconds minimum following distance under those condition, and have had no accidents . . .
your line-of-sight is greater than 30 seconds ahead