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Baltimore—As the number of miles driven by Americans heads into its eighth year of decline, a new report from the Maryland PIRG Foundation finds that the slowdown in driving is likely to continue. Baby Boomers are moving out of the phase in their life when they do the most commuting, while driving-averse Millennials move into that phase. These demographic changes will likely keep driving down for decades, according to the report, “A New Direction: Our Changing Relationship with Driving and the Implications for America’s Future.”
“The Driving Boom is over,” said Jenny Levin, Advocate for the Maryland PIRG Foundation. “The constant increases we saw in driving up until 2005 show no sign of returning. As more and more Millennials become adults, and their tendency to drive less becomes the norm, the reduction in driving will be even larger.”
Miles driven per capita peaked in 2004; the total number of miles driven by Americans peaked in 2007. The average American currently drives no more miles than at the end of President Clinton’s first term.
The Millennial generation is leading the change in transportation trends. 16 to 34-year-olds drove a whopping 23 percent fewer miles on average in 2009 than in 2001— the greatest decline in driving of any age group. In addition, Millennials are more likely to want to live in urban and walkable neighborhoods and are more open to non-driving forms of transportation than the older generation of Americans.
The report found that under any reasonable scenario, the number of miles driven annually will be far fewer in the future than if Baby Boom trends had continued. During the second half of the twentieth century low gas prices, rapid suburbanization, and an ever-increasing number of women commuters entering the workforce fueled the Driving Boom. The factors that defined that period have since taken a back seat. Under some conservative scenarios outlined by the report, driving won’t ever regain its 2007 peak during the range of the study, which extends to 2040.
Yet, official forecasts of future vehicle travel continue to assume steady increases in driving, despite the changing trends seen over the past decade. Those forecasts are used to justify spending vast sums on new and expanded highways, even as repairs to existing roads and bridges remain neglected.
“Our transportation leaders need to wake up to the momentous changes that have taken place over the last decade,” said Levin. “The infrastructure we build today will mainly be used and paid for by the Millennials who are leading the trend away from driving.”
The report examines a number of high-profile official transportation forecasts and finds a consistent pattern of overestimating how much Americans will drive and only partially revising those forecasts when they prove to be incorrect. The government forecasts examined all fall above even the most conservative scenarios forecast in the report and all seem to be based on the assumption that the Driving Boom’s state of ongoing growth will last forever.
Even without assuming that the lower driving scenarios occur, the change in driving trends will have huge implications for many aspects of Americans’ travel life:
- Coupled with improvements in fuel efficiency, reduced driving means Americans will use about half as much gasoline and other fuels in 2040 than they use today, making the real value of gas taxes fall 70 percent. Gas taxes provide the chief source of federal transportation funds and a major source for many states.
- Traffic congestion will be less of a problem.
- Toll roads will be less financially viable.
- Many highway expansion projects will start to look like wasteful boondoggles.
- Forms of travel that are expanding in use, like public transit, will be a better investment.
“Given the magnitude of these trends and the implications for the future, we need to press the reset button on our transportation policy,” said Levin. “Public officials can’t just stay on the only course they’ve known. They need to learn from current trends to rethink whether it’s worth building all those extra highway miles that were planned based on an obsolete understanding of future driving trends.”
Download “A New Direction: Our Changing Relationship with Driving and the Implications for America’s Future.”
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Maryland PIRG Foundation works to protect consumers and promote good government. We investigate problems, craft solutions, educate the public, and offer meaningful opportunities for civic participation. www.marylandpirgfoundation.org
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