Matthew Green

Matthew Green runs KQED’s News Education Project, an online resource for educators and the general public to help explain the news. The project lives at kqed.org/lowdown.

What Are Traffic Waves and Why Do They Happen So Much?

Select a car from the bunch, click “Hit the Brakes” to slow it down and watch the traffic wave form. The red bars show deceleration levels (braking) and the green, acceleration (speeding up). Mouse over any car to see its velocity and acceleration at any given point during the wave (assuming all the cars are … Continue reading What Are Traffic Waves and Why Do They Happen So Much? →