NCBW Newsroom - The Research Beat
7 STUDIES: ACTIVE TRANS SATISFACTION, OBESITY, DIABETES & CHRONIC DISEASE IMPACTS
A 2010 study conducted in Hamilton, Ontario (Enjoyment of Commute: A Comparison of Different Transportation Modes: http://bit.ly/1JWV841), found that bikers and walkers were more satisfied with their commutes than anyone else, as did a nationwide Canadian survey (Commuting to Work: Results of the 2010 General Social Survey: http://bit.ly/1dhpqED) done the same year.
A British study (Associations between Active Commuting, Body Fat, and Body Mass Index: Population Based, Cross Sectional Study in the United Kingdom: http://bmj.co/1edalUD) found that people who walk, bike, or take any form of public transit have lower rates of obesity than people who drive, after controlling for other forms of exercise and socioeconomic factors.
People who walk or bike to work also have lower rates of diabetes (Active Travel to Work and Cardiovascular Risk Factors in the United Kingdom: http://bit.ly/1Jwnh3R) and cardiovascular disease (Active Commuting and Cardiovascular Disease Risk: http://bit.ly/1EhgF2o). [Biking or Walking to Work will Make you Happier and Healthier by Joseph Stromberg: http://bit.ly/1AiukLq]
Impact of Changes in Mode of Travel to Work on Changes in Body Mass Index Survey: evidence from the British Household Panel (http://bmj.co/1JwmIXS) found that workers who switched from driving to walking, bicycling or taking public transportation had a significant average reduction in body mass index equal to about 2.2 pounds per person. [http://bit.ly/1c2mRon]
CENSUS UNDERCOUNTS WALKING AND BIKING
The UMN team found that driving decreased in the region between 2000 and 2010, while biking and walking grew. Cycling rose over that period from 1.4 to 2.2 percent of trips. That’s about 190,000 daily trips, or a 58 percent increase. Meanwhile, walking grew from 4.5 to 6.6 percent of trips, a 44 percent increase, or almost three quarters of a million daily trips. Residents of the Twin Cities region typically make about 12 million total daily trips. What’s especially interesting is that the share of biking and walking trips in the UMN survey is much bigger than what the Census indicates — about two to three times larger. [http://bit.ly/1rW2snN]
IMPACT OF SRTS PROGRAMS ON WALKING & BIKING
ADDING NEW ROAD CAPACITY DOESN’T IMPROVE CONGESTION
The main reason, Turner has found, is simple — adding road capacity spurs people to drive more miles, either by taking more trips by car or taking longer trips than they otherwise would have. He and University of Pennsylvania economist Gilles Duranton call this the "fundamental rule" of road congestion (The Fundamental Law of Road Congestion: Evidence from US cities: http://bit.ly/1Hevghc): adding road capacity just increases the total number of miles traveled by all vehicles.
In an influential 2011 paper, they looked at the total capacity of highways in each metropolitan area in the US and compared it with the total number of vehicle miles traveled. They found a one-to-one correlation: the more highway capacity a metro area had, the more miles its vehicles traveled on them. A 10 percent increase in capacity, for instance, meant a 10 percent increase in vehicle miles, on average. [http://bit.ly/1S6NEBa]
POLL: VOTERS WANT FEDERAL FUNDING FOR TRAILS, WALKING, & BIKING
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