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Progress: the Katy Freeway in Houston, Texas, spans across 26 lanes making it the worlds widest. The freeway is broken down in to 12 main lanes (six in each direction), eight feeder lanes. (lemmy.world)

submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]

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[–] [email protected] 26 points 4 months ago

Most people will think traffic behave like water that you need to send through a network of pipes. It is not, traffic is made of humans and humans reactions will make traffic behave wildly differently than waters in pipes.

Some people and businesses will move next to the new highway for its supposed ease of access, creating traffic
some people might change their habits and go shopping to this place instead of that place, or getting a job far away from their home (or a home far away from home)

The exact reasons for the increase in traffic is complex and my example could be totally off. But we don't need to know the exact reason for the increase in traffic, we know it happens because it has been observed on every road enlargement projects in the last decades.