02/06/2026
🚗 Did You Know? Traffic Jams Can Appear From Nothing
Ever been stuck in traffic, only for it to suddenly clear up with no accident, no roadworks, and no reason?
Researchers call this a phantom traffic jam.
It can start when just one driver brakes slightly. The driver behind brakes a little harder. The next driver brakes even harder. Eventually, a wave of braking travels backwards through traffic, creating a jam where nothing is actually blocking the road.
When drivers maintain more consistent speed and following distance, traffic flow becomes smoother and safer for everyone.
This is one reason why modern Adaptive Cruise Control systems exist. They help maintain more consistent following distances and reduce unnecessary speed fluctuations that contribute to traffic waves.
🚗💨 What’s the longest phantom traffic jam you’ve ever been stuck in?