Experts discuss the health benefits of congestion pricing seen in cities like London and Stockholm, and explore the potential impact on human health and equity in New York City. They also address challenges, such as traffic diversion and funding, in implementing such policies to improve air quality and reduce emissions.
Congestion pricing reduces traffic, improving air quality and public health in urban areas.
Equity considerations are essential in congestion pricing to prevent traffic diversion to already burdened areas.
Deep dives
Impact of Congestion Pricing on Health Outcomes
Congestion pricing initiatives aim to reduce traffic in urban areas like New York City, leading to improved air quality and associated health benefits. By decreasing the number of cars entering congested zones, cities expect to see reduced road traffic incidents and lower levels of air pollutants such as PM 2.5. Studies have shown positive outcomes in cardiovascular and respiratory health due to congestion pricing policies.
Health Impacts of Congestion Pricing in Stockholm
Research on congestion pricing in Stockholm, Sweden, demonstrated significant health benefits, particularly a 50% decrease in acute asthma visits after the implementation of permanent congestion pricing. The reduction in pollution levels and traffic-related incidents contributed to improved public health outcomes. Efforts in Stockholm also included additional measures like promoting electric vehicles to further reduce pollution.
Equity Concerns and Climate Change Impact
Equity considerations play a crucial role in congestion pricing policies, with a focus on preventing traffic diversion through environmentally burdened areas that already face health risks. Moreover, congestion pricing contributes to mitigating greenhouse gas emissions, aligning with climate change mitigation strategies. Despite the pause on the New York City congestion pricing plan, learnings from global implementations can inform future policy designs in other U.S. cities.
In early June, New York Governor Kathy Hochul blocked a congestion pricing plan from going into effect in New York City. This plan would have charged a fee for cars to enter the central business district of Manhattan, and it would have been the first congestion pricing plan to be fully implemented in the United States.
While congestion pricing can be costly for commuters, the fact that it keeps some cars off the road means it can have health benefits for surrounding communities. Successfully implemented congestion pricing plans in cities such as London, Singapore, and Stockholm have led to better air quality and health.
SciFri’s John Dankosky sits down with Dr. Janet Currie, co-director of Princeton’s Center for Health and Wellbeing, and Dr. Andrea Titus, assistant professor of the Department of Population Health at the NYU Grossman School of Medicine, to talk about the health impacts that congestion pricing has had around the world as well as the potential effects it could have in New York City and in other cities in the United States.
Transcripts for each segment will be available after the show airs on sciencefriday.com.