Joy Dahlgren

About Joy Dahlgren (Edit profile)

Joy Dahlgren is a post-doctoral researcher at the Institute of Transportation Studies, University of California, Berkeley, CA 94720. This article is derived from her recent dissertation in civil engineering at UC-Berkeley.

Are HOV Lanes Really Better?

Joy Dahlgren

Public policy currently promotes high-occupancy-vehicle (HOV) lanes and discourages construction of general-purpose lanes. HOV lanes supposedly reduce congestion and harmful emissions because they encourage ridesharing and transit use. Just add a few passengers, and you can be rewarded with a fast, pleasant drive to work. That's the ideal behind HOV lanes. But the reality is not so simple.

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