The real reason for traffic jams: us!
The results of the study really point up the need to drive smoothly. Roads with heavy traffic volume seem to be more prone to traffic jams, too, but that's not necessarily the case. Heavy volume can proceed smoothly if drivers anticipate and avoid sudden actions. In the end, it appears that the main way to fix traffic jams is driver diligence. The low-tech solution is to pay attention when you're behind the wheel, but we've also now got radar-based cruise control that does this for you, so you can continue blithely on your way. It boils down to common sense; be a smooth driver, expect that everyone around you is a moron, and hopefully you won't be slamming on your brakes, causing a domino reaction.
[Source: physorg.com via Motive Mag, Photo: Ed Edahl/FEMA]
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