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Politics : Formerly About Advanced Micro Devices
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To: TimF who wrote (131960)2/8/2001 10:35:20 AM
From: Scumbria  Read Replies (1) of 1570520
 
Tim,

Most of the problems associated with timing traffic lights are associated with left turns across traffic.

In order to make a timed grid in which you can move through at a fixed speed without stopping, left turns across traffic have to be eliminated.

In addition, irregular spacing of roads along the grid makes it impossible to time traffic lights, if the traffic is moving in both directions on the same street.

Elmer on the Intel thread did some measurements in San Jose, and found that he was stopped by something like 22 out of 24 lights on the San Thomas "Expressway" (during off hours, no less.)

I found that a typical Silicon Valley drive takes about 3X as long as it would if the lights were all green.

Fixing the movement of traffic on city streets would greatly reduce gas consumption, and simultaneously improve the quality of life for the people living there.

Scumbria
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