How You Can Fix a Phantom Traffic Jam

phantom traffic jam preventionYou know the traffic jam. It’s the one where you’re sailing along the open road on a Sunday afternoon, when you suddenly encounter a long line of traffic shuddering along at 10km/hr. You slam on the brakes, as do all the drivers behind you, and then all of you inch along for a while before picking up speed again. There is no accident or construction in sight. There aren’t even any rain clouds! What the heck happened?

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