>TL;DR - Sometimes the 3 second following distance is just not enough even if someone is paying attention because they can only see the car in front of them.
Yep... the usual advice locally is 5 to 7 seconds gap for freeways and similar, before accounting for weather and other conditions. Of course, that assumes you can leave a gap without some bastard deciding to sneak in and occupy it.
Yep... the usual advice locally is 5 to 7 seconds gap for freeways and similar, before accounting for weather and other conditions. Of course, that assumes you can leave a gap without some bastard deciding to sneak in and occupy it.