Why it matters: The 2-second rule: fixed point, counting, formula

On the N242 near Obdam, where traffic during rush hour often brakes abruptly, the fixed-point method is the one check you always have on hand — no radar, no app. And anyone who thinks the law literally requires '2 seconds' can get an exam question about the open norm itself wrong: the 2 seconds are a rule of thumb, not a law article.