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Roadscapes Wednesday: How Carpool Lanes Make Traffic Worse

Welcome to the Roadscapes Wednesday segment! Each week here on Geek Alabama, Roadscapes Wednesday will feature roads and infrastructure related topics. Geek Alabama Editor / Publisher Nathan Young is often called the “road geek” for a good reason, Nathan loves roads and loves talking about roads!

Figuring out how to reduce congestion and emissions has long been a thorny issue for the car-centric United States. One possible solution – high-occupancy vehicle lanes (HOV), or carpool lanes – have their own thorny history. Despite pushes from the federal government for more HOV lanes in the 1970s and 1990s, the math of how HOV lanes work may mean they relieve traffic only a little – or even make it worse.

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