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.

  • InevitableCriticism@lemmy.world
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    1 year ago

    Oh absolutely. A few years ago someone did just that because they were about to miss their exit. I slammed on my breaks and it caused 8 cars to crash. I wasn’t found at fault, but because I was the first car to stop, I had to deal with 8 different insurances from all the people involved… it was such a pain. The whole thing took around 4 months to settle all the claims and get my car fixed.