Original traffic model · cars forward, slow region backwardIllustrative trajectories · not experimental footage or a fitted wave speed

2008 / The question / 01

A jam with no obstacle

Cars forward · disturbance backward
3D RECONSTRUCTION · REPORTED EVIDENCESugiyama and colleagues, 2008 · Article pp.5–6, Figures 3–4 (repository PDF pp.7–8)

Cars forward · disturbance backward

0 / 90s
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Why Traffic Jams Move Backward | Lesson Worlds