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Creating walking- and bicycle-friendly places and connecting schools, neighborhoods, and work sites, helps promote healthy kids as well as healthy communities.
From "Increasing Physical Activity Through Community Design: A Guide for Public Health Practitioners" - Download Chapter One (pdf 268 kb)
Funded by The Robert Wood Johnson Foundation
In healthy communities — not just in the movies — walking and bicycling are a normal part of daily life. The Centers for Disease Control and Prevention (CDC) call these kinds of places Active Community Environments (ACEs). They recognize that providing for active living through community design is a health issue.
This guide tells you how to help create places for people to walk and bicycle. This doesn’t just mean special trails, though those might certainly be an important element of an overall plan. Creating an active community environment means taking a look at the broader scope of where there are — and aren’t — opportunities to safely walk and bicycle. It involves land use design, retrofitting the transportation infrastructure, funding and much more.
Although this guide is written for public health professionals, others — community leaders, local planners and transportation agency officials, and citizens — can also benefit from reading it because poor community design affects the health of the entire community. The increased awareness each of us brings to the problem is another step towards the solution
A Health Crisis
America faces a national health crisis of epidemic proportions. Physical inactivity combined with overeating has, in just a few decades, made us a nation of fat and out-of-shape people. The incidence of overweight or obese adults increased steadily from 47 percent in 1976, to 56 percent in 1994, and 61 percent in 1999. The prevalence of overweight children and adolescents almost doubled during the same period.
Obesity, diabetes, heart disease, stress and a host of other ills are increasing. Physical inactivity and obesity rank second to smoking in their contribution to total mortality in the United States. Nearly 80 percent of obese adults have diabetes, high blood cholesterol levels, high blood pressure, coronary artery disease or other ailments (K. Flegal, et al., Overweight and obesity in the United States: prevalence and trends, 1960-1994, Int J Obesity, 1998).
About 60 percent of overweight children between five and 10 years of age already demonstrate risk factors such as elevated blood pressure and increased insulin levels associated with heart disease. These factors lead to chronic diseases later in life.
Recommended Physical Activity
It is recommended that Americans accumulate at least 30 minutes (adults) or 60 minutes (children) of moderate physical activity most days of the week. More may be needed to prevent weight gain, to lose weight or to maintain weight loss.
Daily Physical Activity
Moderate, daily physical activity, such as bicycling or walking, has long been recognized as an essential ingredient of a healthy lifestyle. Yet many Americans, both young and old, lead a sedentary lifestyle. Our workplaces are increasingly automated. Many jobs require workers to spend hours at a desk. We use the automobile as our primary means of travel even for short trips.
According to the U.S. Department of Transportation’s Nationwide Personal Transportation Survey, the number of trips the average American adult takes on foot each year dropped 42 percent between 1975 and 1995.
Among children, walking trips dropped 37 percent. Only 10 percent of public school students are estimated to walk to school today compared to a majority of students a generation ago. The most common means of transportation to school is by car.
We prepare our children for a sedentary lifestyle. At school, opportunities for physical activity have diminished. Shifting priorities have caused many physical education classes and even recesses to be dropped. After school, kids are driven to events, to the mall or to a friend’s house. Add in a daily dose of television, often accompanied by high-calorie snack foods, and it’s no wonder that so many young people find themselves outside the recommended height/weight range.
The increase in obesity follows a decline in walking and bicycling. We use the automobile for even the shortest trips. About 25 percent of all trips made in the United States are less than one mile in length, and 75 percent of those short trips are made by automobile (1995 Nationwide Personal Transportation Survey).
We don’t walk or bicycle as much as we used to, partly because our communities — designed around the automobile — lack walkways and bikeways that would otherwise accommodate and encourage such activity. Even where facilities exist, features that support driving, such as wide roads and intersections, large parking lots and drive-through businesses, create an environment that is uncomfortable and unsafe for nonmotorists.
Spread-out, isolated destinations typical of car-oriented suburban development also discourage walking and bicycling. Even in communities where most places are near enough to walk or bicycle, people may not feel safe because of high motor vehicle speeds and volumes.
The CDC refers to places where everyone can enjoy daily, moderate levels of walking, bicycling and other exercise as Active Community Environments (ACEs). A walking- and bicycle-friendly community is also a more livable community where people of all ages and abilities can travel freely. Active Community Environments encourage and accommodate walking and bicycling through their approach to:
This section describes what “model” communities look like and how they are planned. Today, few communities exhibit all of the factors described below, but they generally share a least a few of them. Chapter 2 discusses how to make the streets work better for pedestrians and bicyclists.
Transportation Facilities and Services
There are safe, easy and pleasant places for people of all ages to walk or bicycle using public streets and highways. A balanced system that includes transit, walking, bicycling and automobiles provides people with appropriate transportation choices. Most trips under one mile are made by walking or bicycling. The community:
Land-Use Planning and Development
Development plans and practices focus on creating transitand pedestrian-oriented communities where the majority of trips are made by a combination of walking, bicycling and transit. Most people walk or bike as part of their routine activities or specifically for recreation and health. Public health impacts and objectives are a regular, routine and guiding consideration in land-use planning decisions.
The communit Integrates “smart growth” principles in all development programs to:
Schools are of moderate size and are located in the neighborhood they serve. Most children walk or bike to school. School sites and facilities serve a wide range of communities services and needs. The community:
Recreation, Parks and Trails
Basic park and recreation facilities are available in every neighborhood, and most users walk or bike to them. Other recreation facilities are easily accessible by transit. Most children can go to their neighborhood parks by themselves or with their friends. Most organized sports activities take place at parks or school sites located in or near the neighborhoods where the children live. Trail-type facilities are within walking distance of most residential areas. The community:
Safety, Security and Crime Prevention
The community controls motor vehicle traffic so it no longer poses a serious threat to children in neighborhoods or near schools and parks. Motor vehicle operation is strictly regulated, and traffic laws are obeyed by all users. Crashes, injuries and fatalities decline significantly. Crimes of all kinds decline, especially in residential areas. Parents are at ease with the notion of their children playing outside, unsupervised in their neighborhood. Children spend more time outside, playing with other children. The community:
Treating the Patient Creating local environments that encourage physical activity for all age groups— promoting active living through community design— is one way we can build healthy communities. In most cases, people don’t need lavish new facilities in order to achieve higher levels of physical activity. Communities across the country are finding that they can implement simple changes to the physical environment to benefit pedestrians and bicyclists. The next chapter of this guide focuses on some achievable actions that can make a difference.
Some of these changes include retrofitting roadways with sidewalks, curb ramps and features that slow traffic, making it easier and safer to walk. Multiple-use trails, bicycle parking and striped bicycle lanes can be provided to encourage more people to bicycle more often.
Changing existing communities is a complex process involving many agencies, organizations, institutions and the public. A community’s infrastructure — streets, parks, schools, residential areas — takes years to develop. So we should expect it to take years to make large-scale adjustments. Think of each small change as part of a time-release treatment that eventually will provide people with widespread opportunities to be more physically active.
And realize that it’s unlikely to happen without you. It will take bringing people together to create a new sense of community, and to build the will, capacity and commitment to make the places where we live, work, go to school and play more livable.
Consider the wisdom of the motto that has guided progress in
“It takes all of us... and it takes forever.”
From "Increasing Physical Activity Through Community Design: A Guide for Public Health Practitioners" - Download Chapter One (pdf 268 kb).
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Updated August 22, 2011