On: Jerks actually reduce the risk of traffic jams

[DannoHung]

When I was in Driver's Ed, I got told to use 4 or more seconds.

[dan_the_welder → DannoHung]

Then you must be older than me, as when I learned to drive in 84 it was 3 seconds. I think is below one now.

I sometimes do a 3 second gap just to see how fast people will fill it up.. which is instantly.