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Figured out the 'standing wave' aspect of traffic jams some time ago...about all I can still dredge up from fluid flow courses in college. Here's another one to work on: You're tooling along on a 2-lane expressway and the sign says, 'Right lane closed 2-miles ahead...merge left'. People take this command to heart and begin shoving themselves into a single lane on the left, way ahead of the restriction. So far ahead, in fact, that it leaves a conga line on the left and an enticingly free right lane. Inevitably, some motorists take advantage of this free lane and at the restriction are, of course, allowed to merge by some kind soul who isn't a mile back, fuming. Wouldn't it be better if the sign said 'Maintain lane to merge point', and at that point, allow motorists to alternately merge (I'm sure they would, since everyone has been treated equally and fairly). I recently heard that a Dutch city solved its horrendous traffic problems by eliminating all signs, traffic lights and parking restrictions...leaving it up to the motorists seems to work best in a libertarian way...

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