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Re: Pedestrians aren't the only ones who matter.

Posted by JerBear on Mon Jan 9 10:11:57 2017, in response to Re: Pedestrians aren't the only ones who matter., posted by BrooklynBus on Sun Jan 8 16:26:35 2017.

But you're treating traffic volumes as static, regardless of what NYCDOT does to the roads. If it was just so simple that to eliminate congestion, they would just build roads to accommodate the volume in the area, then they would do that. And two days later, after the locals realized how clear the roads were, they would decide to drive all the way up to the mall to get socks, instead of getting them at the corner store, because the trip is now so much faster. And then the volume of traffic would have changed. And so now, three days after completing construction, they would have to start again based on the new traffic volumes.
And you've talked about capacity before, but you have never shown that capacity is being lowered. The maximum traffic flow obtainable using all available lanes does not necessarily increase when you add extra lanes to portions of a roadway.
Did NYCDOT ever say that capacity would be diminished? I can't believe they would. So it's your supposition. But since I am not a traffic engineer, I have to rely on the work of traffic engineers to tell me what the capacity is going to be. Do we have any traffic engineers on here? Stephen Baumann, can you develop a model to predict road capacity with what we know about NYCDOT'S plans? Can anybody outside NYCDOT?


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