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| August 30, 2008 |
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The Route to Better Personal Health
The Benefits of Public Transportation
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Today, more than ever before, the way Americans travel impacts our health. As more and more vehicles crowd onto the nation’s roadways, they threaten our physical and mental well-being in a variety of ways, as well as the ability of healthcare providers to deliver critical services.
America’s public transportation systems can play a vital role in creating a healthier nation. Increased investment in and use of public transportation can directly:
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Improve and protect the personal health of all Americans
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Assure better access to essential medical services
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Create opportunities for substantial cost savings in healthcare delivery
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Personal health and well-being, a goal shared by
all Americans, has become an issue of major national concern. Public
transportation improves personal health and access to healthcare,
and thus:
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Protects personal freedom, choice and mobility
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Enhances access to opportunity
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Enables economic prosperity
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Protects our communities and the natural environment
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Public Transportation Protects Personal Health
Current trends in personal travel threaten Americans’ health, but more and better use of public transportation can reduce these threats.
The Health Threat: Air Pollution
Over 140 million Americans, 25 percent of whom are children, live, work and play in areas where air quality does not meet national standards.1, 2 Harmful motor vehicle emissions account for between 25 and 51 percent of the air pollutants in these non-attainment areas. From 2000 to 2002, the number of recorded high-ozone days increased 18.5 percent.2
The health effects of mobile source pollution can be severe and even life threatening, particularly to children, older adults and adults with respiratory illnesses.
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Air pollution claims 70,000 lives a year, nearly twice the number
killed in traffic accidents.3
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The American Lung Association estimated that, as far back as 1993-94,
high levels of ozone in 13 cities resulted in 10,000 to 15,000 additional
hospital admissions and 30,000 to 50,000 additional emergency room
visits.4
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Older residents in cities with the worst air pollution are 20 percent
more likely to seek hospital care for respiratory illnesses.5
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The annual cost of health damage from motor vehicle pollution is
estimated to be between $29 billion and $530 billion.6
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From 1980 through 1995, the asthma rate among children doubled from
2.3 million to 5.5 million, reaching epidemic proportions in the U.S.
Air pollution is a primary cause. 7, 8
Public Transportation Responds
Increased availability and use of public transportation dramatically reduces motor vehicle emissions.
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Compared with private vehicles, public transportation produces, on
average, per passenger mile, 95 percent less carbon monoxide, 92 percent
fewer volatile organic compounds, 45 percent less carbon dioxide and
48 percent less nitrogen oxide.9
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During the 1996 Atlanta Olympic Games, expanded transportation services
reduced morning peak auto use by 22.5 percent and reduced mobile source
emissions. There was a 44.1 percent reduction in asthma-related medical
visits among HMO enrollees.10, 11
Emissions Reductions from Public Transportation Use

Source: Shapiro, Robert J. et al, Conserving Energy and Preserving the Environment: The Role of Public Transportation, July 2002
The Health Threat: Obesity, Inactivity and Suburban Sprawl
Nearly 65 percent of U.S. adults are overweight; 30 percent are obese.12 Obesity makes people susceptible to illnesses and chronic health conditions, leading to less productive and less enjoyable lifestyles and increased healthcare costs.14 Obesity leads to 300,000 deaths a year,13 and direct healthcare costs of obesity and physical inactivity were estimated to exceed $117 billion in 2000.13 The U.S. Surgeon General, Dr. David Stacher, has warned that obesity may soon result in as much preventable disease and death in the U.S. as smoking.12, 13
Obesity and declining physical fitness can be associated with inactive, sedentary, auto-dependent lifestyles. In sprawling urban and suburban areas where few travel options are available, cars are now used for 80 percent of trips less than one mile in length.15
Public Transportation Responds
Transit-friendly, walkable communities reduce reliance on motor vehicles and promote higher levels of physical activity. These more traditional urban settings may generate half the automobile trips of similarly sized modern-day suburbs.15 Studies show that a single mile of transit travel can substitute for five to seven miles of auto travel in such settings.16
As a result, the role of community design in promoting more active lifestyles and alternatives to motor vehicle use has become much more significant in the effort to improve the health of all Americans.
The Health Threat: Accidents and Injuries
In 2000, nearly 42,000 people died in vehicle crashes and another 3.2 million were injured.17 Taken as a whole, the pain, suffering, cost of care, lost income and lost productivity from vehicle accidents remains one of the nation’s most severe and persistent public health problems, costing the nation $200 billion annually.18 Exposure to roadway accidents and injury is linked directly to continuing increases in vehicle-miles traveled, which, between 1980 and 2000, grew more than three times faster than the population.19
Public Transportation Responds
All modes of public transportation are far safer than personal vehicles.
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Public transportation trips result in 190,000 fewer deaths, injuries
and accidents annually than trips by car, providing $ billion to $5
billion in safety benefits, based on 1994 data.20
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Riding the bus is 170 times safer than automobile travel, according
to National Safety Council data.21
The Health Threat: Road Stress
The average American driver may spend over 450 hours each year—equal to nearly 11 workweeks—behind the wheel.22 The result: a mounting level of frustration, stress, anger and hostility that causes illness, reduces productivity in the workplace and degrades the quality of life at home.23 The stress of driving in congested conditions is linked directly to a long list of health problems, including cardiovascular disease, suppressed immune system functioning and strokes,23, 24, 25 as well as more headaches, colds and flu.26
Public Transportation Responds
Studies indicate that less travel time, more predictability, enhanced control and less effort required to make a trip reduces the stress levels and negative health effects associated with driving.23 Public transportation provides obvious advantages in all of these dimensions, as well as opportunities to read and relax that are not available to drivers stranded in traffic. Expanding and enhancing public transportation provides an opportunity to decrease stress and its negative impacts on our health.
Public Transportation Provides Access to Healthcare Services
For many Americans, inadequate transportation severely limits access to essential medical care.
Limited access is a particular problem among low-income and minority households.28 As many as four million children in families with incomes under $50,000 a year miss essential doctor appointments because of inadequate transportation.27
The role of public transportation and transit agencies in providing access to essential healthcare is growing.
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In Cincinnati, 60 percent of the patients using Good Samaritan Hospital’s
clinics use public transportation to access the clinics.29 Tri-Met
in Portland, OR, carries 65 percent of non-emergency Medicaid trips.30
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The Metropolitan Tulsa Transit Authority (MTTA) coordinates Medicaid
transportation statewide, handling 400 calls a day.31 The Rhode Island
Public Transit Authority (RIPTA) also coordinates Medicaid transportation
statewide, using existing bus routes for 98 percent of the trips.32
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“It seems imperative that new transportation options
be developed and implemented in order to help alleviate the public
health problems related to worsening air quality in the United States.”
Richard J. Jackson, MD, Director
National Center for Environmental Health, Centers for Disease Control
and Prevention10
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Public Transportation Lowers Healthcare Costs
The cost of transportation to and from medical treatment is staggering, and growing each year. Medicaid and Medicare services pay nearly $3.5 billion a year to provide transportation to non-emergency medical treatment.34 In 2000, over 100 million Medicaid trips were funded at an average cost of $16 per trip.34 More than half of Medicare ambulance trips (as many as 90 percent in rural areas) may be for non-emergencies at a cost that can exceed $500 per trip.35, 36
Increased reliance on public transportation for travel to medical treatment is saving the nation’s healthcare system millions of dollars and can save millions more—if transit services are enhanced and expanded.
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The Oklahoma Healthcare Authority pays Tulsa’s MTTA an average of
only $2.19 per client per month to operate all nonemergency Medicaid
transportation in the state.31
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In Rhode Island, RIPTA’s bus and paratransit service provides non-emergency
transportation to all Medicaid recipients with an average cost of
45 cents per trip, the lowest in the country.32
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In Florida, the Metro-Dade Transit Agency provides Medicaid recipients
with a monthly pass that provides unlimited rides to clients, including
trips for medical care. The pass saves the Medicaid program over $600,000
a month, provides added revenue to Metro-Dade Transit, and saves $10
million a year in Metro-Dade paratransit costs.36
As concern over the availability and cost of healthcare mounts, the benefits of enhanced and expanded public transportation must be considered. Increased investment in public transportation is a key strategy for improving the health and well-being of all Americans, and in attaining the greatest benefit from the nation’s healthcare network.
Works Cited
www.epa.gov/airs/nonattn.html
American Lung Association, State of the Air 2002 Report, Executive
Summary, www.lungusa.org/air2001/summary02.html
Fischlowitz-Roberts, Bernie, Air Pollution Fatalities Now Exceed Traffic
Fatalities by 3 to 1, Earth Policy Institute, September 17, 2002, www.earth-policy.org/Updates/Update17.htm
Haluk, Ozkaynak et al, Ambient Ozone Exposure and Emergency Hospital
Admissions and Emergency Room Visits for Respiratory Problems in 13
U.S. Cities, American Lung Association, Washington, DC, 1996, www.wri.org/wri/wr-98-99/urbanair.htm
Warner, Jennifer, "Seniors in Polluted Areas More Likely to Seek Treatment,"
WebMD Medical News, November 12, 2002, www.webmd.lycos.com/content/article/1738.55811
U.S. Environmental Protection Agency, Our Built and Natural Environments:
A Technical Review of the Interactions between Land Use, Transportation
and Environmental Quality, Development Community and Environmental Division,
EPA 231-R-01-002, Washington, DC, January 2001, www.epa.gov/piedpage/pdf/built.pdf
Massey, J.T. et al, Design and Estimation for the National Health
Interview Survey, 1985-1994, U.S. Department of Health and Human Services,
National Center for Health Statistics, PHS 89-1384, and Vital and Health
Statistics, Series 2, No. 110
Booth, William, "Study: Pollution May Cause Asthma," Washington Post,
February 1, 2002
Shapiro, Robert J. et al, Conserving Energy and Preserving the Environment:
The Role of Public Transportation, July 2002
Jackson, R. and Kochtitzky, C., Creating a Healthy Environment: The
Impact of the Built Environment on Public Health, Centers for Disease
Control and Prevention, and Sprawl Watch Clearinghouse, p. 6, 1996,
www.sprawlwatch.org/health.pdf
Friedman, M.S., et al, "Impact of Changes in Transportation and Commuting
Behaviors During the 1996 Summer Olympic Games in Atlanta on Air Quality
and Childhood Asthma," Journal of the American Medical Association,
Vol. 285, No. 7, February 21, 2001
American Obesity Association, AOA Fact Sheets: Obesity in the U.S.,
www.obesity.org/subs/fastfacts/obesity_US.shtml
"Overweight and Obesity Threaten U.S. Health Gains," HHS News, Department
of Health and Human Services, Washington, DC, December 12, 2001
"Centers for Disease Control Says Suburban Sprawl Endangers Public
Health: New Report Connects Obesity, Asthma and other Illnesses to Sprawl,"
News Release, Sierra Club, November 2, 2001, www.vapreservation.org/cdc-news.html
Kraft, M. Katherine, PhD, "Health Effects of Sprawl," Address to the
Women’s Transportation Seminar, Robert Wood Johnson Foundation, Washington
DC, October 30, 2002
Neff, John W., "Travel Distance Substitution Rates Between Automobile
Users and Transit Passengers," Papers and Proceedings of the Applied
Geography Conferences, Vol. 19, 1996, pp. 117-124
www.car-accidents.com/pages/stats/2000_killed.html
Frumkin, Howard, MD, "Urban Sprawl and Public Health," Public Health
Reports,117, May 2002, pp. 201-217
Highway Statistics Series, U.S. Federal Highway Administration, Washington,
DC, www.fhwa.dot.gov/ohim/ohimstat.htm
Campaign for Efficient Passenger Transportation, Dollars and Sense:
The Economic Case for Public Transportation in America, June 1997
National Safety Council, Injury Facts, 2001, Washington DC, 2002
Pope, C., Solving Sprawl, The Sierra Club, 1999, www.sierraclub.org/sprawl/report99/transportation.asp
Wener, Prof. Richard, and Evans, Prof. Gary, The Impact of Mode and
Mode Transfers on Commuter Stress, Final Report, New Jersey Department
of Transportation, Division of Research and Technology, August 2000
Sivasubramanian, Mani Dr., Stress, Driving and Heart Surgery, www.cybersteering.com/cruise/feature/heart/heart.html
Scimone, Carol, Driving You Crazy, www.new-mindmachines.com/KOLDTV/driving_stress.htm
Cutting Driving Stress, Wright State University, www.wright.edu/studentorgs/csa/drivingstress.html
"Survey Reveals Millions of U.S. Children Unable to Access Health
Care Due to Lack of Transportation," News Release, The Children’s Health
Fund, New York, July 12, 2001, www.childrenshealthfund.org/release071201.html
www.transcoalition.org/library/reports/roadblocks/roadblock_exec.html
"Issue 7 Supporters Link to Health Care," Cincinnati Business Courier,
October 3, 2002, http://cincinnati.bizjournals.com/cincinnati/stories/2002/09/30/
daily40.html
Thomas, Nancy, Report on Medical Transportation Program (MTP), ATP
Program Manager, Tri-County Metropolitan Transportation District of
Oregon (Tri-Met), January 20, 2000, and MTP Financial and Operating
Report for December 1999, Medical Transportation Program, Tri-Met, January
2000
Community Transportation Association of America, Medicaid Transportation:
Assuring Access to Health Care—A Primer for States, Health Plans, Providers
and Advocates, Washington, DC, January 2001, p. 19, www.ctaa.org/data/report.pdf
Ibid, p. 27
Community Transportation Association of America, op. cit., pp. 1,
6 34. Editorial, Detroit Free Press, April 24, 2002, http://63.251.88.172/ct/medical2002/healthtransit.asp?printview=yes
U.S. General Accounting Office, Rural Ambulances, Medicare Fee Schedule
Payments Could be Better Targeted, www.ctaa.org/ntrc/medical/medicare.asp?printview=yes
Ibid, p. 16
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