Not long after reading that Senator Barbara Boxer (D – CA) and the Senate Environment and Public Works Committee is trying to make it more difficult to ride your bike, GOOD pointed me to this study that was published by the journal Environmental Health Perspectives. The study looked a the benefits of reducing car usage for short urban and suburban trips:
Reductions in PM2.5 related mortality across the Midwest are shown in Figure 2a, with the total impact across the 37,000 square mile region being 433 fewer deaths. Asthma exacerbations would decrease annually by over 2,000 cases. Also, there would be approximately 75 fewer COPD cases, while net respiratory symptoms, hospital admissions and ER visits would decrease by 93,607 cases annually. For cardiovascular disease, there would be approximately 660 fewer cases of non-fatal AMI and hospital admissions. Savings from reduced annual mortality would reach almost $3.5 billion.
Based on WHO HEAT, we estimated that completing 50% of short trips by bicycle would result in average annual savings over $2.5 billion for short suburban bicycle trips and nearly $1.25 billion for short urban trips (Table 3), for a total of approximately $3.8 billion in benefits across an estimated population of 2 million people, and a reduction in premature mortality of almost 700 deaths per year.
If you’re keeping track that’s $7 billion/year in savings just by replacing a car with a bike for half of all short trips.
In this context what kind of sense does legislation that makes it more difficult to ride a bike make sense? Perhaps we should make it more difficult to drive.