NOVA

The Hidden Cause of Traffic Jams—and How to Solve Them

Clip: Season 49 | 6m 5s | Video has closed captioning.

Some traffic jams seem to happen out of nowhere—it’s not rush hour, no construction, no accidents. These are called phantom traffic jams, generally caused by drivers tapping the brakes on and off. Could autonomous vehicles eliminate these traffic jams, and make our roads safer? Some researchers think so.

Aired: 08/18/22

Rating: NR

Problems Playing Video? | Closed Captioning

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