It is not seconds, but car length. If you are seconds behind someone and they stop fast you will hit them.
Drivers should look 12 to 15 seconds ahead of their vehicle on city streets and ______ seconds ahead on freeways
One should look 10 to 12 seconds ahead to avoid collisions.
10/15
I was taught that you should look ahead a minimum of 15 seconds ahead. That equates to about a block to a block and a half ahead of you.
10 seconds (1/4 mile ahead)
12-15 seconds
12-15 seconds.
4
20
You should look at least 10-15 seconds ahead of your car while driving. This distance typically corresponds to about one city block or a quarter of a mile on the highway. Scanning the road ahead allows you to anticipate potential hazards and make timely decisions. It enhances your overall awareness and promotes safer driving.
30 seconds
2 seconds is the safe distance.