Study: Bike Share Saves the U.S. $36 Million Public Health Dollars Every Year - Streetsblog

The long-term health benefits of using bike share vastly outweigh the short-term risks, even in the most polluted and car-dominated U.S. cities, a new study finds — and cities who invest in reducing those risks by loosening car dominance can save even more lives and millions in precious public health dollars.

In what its authors believe to be the first study to quantify the public health benefits of U.S. bicycle sharing systems, epidemiological researchers at Colorado University calculated that on an average year, users of the mode saved the national healthcare system more than $36 million, despite the fact that there are only about 100,000 shared bikes in the country and many are located in dangerous, car-dependent cities. Riders themselves were saved a collective total of 737 “disability adjusted life years,” or years spent living with debilitating health conditions such as cancer, dementia, and ischemic heart disease, thanks to the preventative power of active transportation.


Perhaps the best case study of the public health benefits of bike share is New York City, whose robust Citi Bike program is home to almost a fifth of the shared two-wheeled vehicles on U.S. streets today. More than 40 percent of the savings accounted for by the study ($15 million) were thanks to the Big Apple alone, and the researchers estimated that putting 100,000 New Yorkers onto bike share would result in 15 fewer deaths, 2556 fewer disability adjusted life years, and more than $111 million fewer public health dollars spent annually.


“People don’t necessarily think of transportation policy as a tool to improve public health,” said David Rojas-Rueda, an assistant professor of epidemiology and a co-author of the study. “And there are people out there who question whether bike share is a good investment at all, just because there’s so much pollution on our streets and so much danger from traffic fatalities. So we decided to quantify it.”


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