How can i keep a safe following distance in heavy traffic?

[Ryan52]

I’ve been trying to get better at judging my following distance in heavy traffic, but I never seem to get it quite right. I know the three-second rule, but when everyone is constantly braking and switching lanes, that gap just vanishes and I end up tailgating without meaning to. How do you actually maintain a safe buffer when the flow is so aggressive and unpredictable?

[NicholasTM]

I know the three second rule but in heavy traffic it evaporates. I started using a fixed visual anchor instead of counting. Pick a marker on the road or the bumper of the car ahead and watch it line up with a reference in my windshield. When that marker passes I ease off a touch. It sounds tiny but it keeps a steadier margin when everyone keeps switching lanes.

[Jerry5]

Last week I tried leaving a bigger buffer like a two second window plus an extra second if the flow is chaotic. It felt off at first because I thought I was dragging traffic but I stuck with it and eventually I caught myself braking earlier when someone slammed on brakes in the next lane. The payoff was calmer steering even if I spent more time at a crawl.

[Zachary76]

Could the real issue be how you perceive other drivers and their sudden moves rather than your own distance? Maybe the problem is not the rule but the instinct to chase the lane and squeeze into gaps that disappear the moment you blink.

[AmeliaG]

Sometimes I tell myself to pick a lane and stay there even if a couple of cars cut in I stop chasing the flow and focus on not losing the space I already have It feels slower and I wonder if I am just dragging my feet but it reduces those tiny tailgates in chaos