Monday, January 05, 2009

My Traffic Theory

The benefit gained from a divergence in the road where cars split off to another road will be about 1/10th the cost of an equivalent merge.  Using a specific example, when vehicles exit from I-77 westbound to the toll road in the morning, they will be merging onto I-77 eastbound in the evening.  Their inability to do this without coming to a complete stop every five yards while getting one lane over will cause the time loss in the evening be at least ten times greater than the time savings you got from them leaving the road in the morning.

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