Lemmy Today

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@mrmanager

founded 1 year ago

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Buelldozer

More Lanes = More Congestion (www.nytimes.com)

submitted 1 year ago* (last edited 1 year ago) by Xanderill@lemmy.world to c/fuckcars@lemmy.world

5 comments fedilink

977

TIL The Katy Freeway in Houston, TX was expanded in 2008 to 26 lanes (one of the widest in the world) and 5 years later had longer peak travel times than before the expansion (www.nytimes.com)

submitted 1 year ago by maniajack@lemmy.world to c/til@lemmy.world

201 comments fedilink

For critics of widening projects, the prime example of induced demand is the Katy Freeway in Houston, one of the widest highways in the world with 26 lanes.

Immediately after Katy’s last expansion, in 2008, the project was hailed as a success. But within five years, peak hour travel times on the freeway were longer than before the expansion.

Matt Turner, an economics professor at Brown University and co-author of the 2009 study on congestion, said adding lanes is a fine solution if the goal is to get more cars on the road. But most highway expansion projects, including those in progress in Texas, cite reducing traffic as a primary goal.

“If you keep adding lanes because you want to reduce traffic congestion, you have to be really determined not to learn from history,” Dr. Turner said.