WASHINGTON — Here are a few items that largely have been missing from the presidential campaign: planes, trains, roads and bridges.
But as Superstorm Sandy reminded the world so vividly, we can't afford to do without them. So why isn't the nation's transportation infrastructure a hot topic?
Money, for one. Neither President Barack Obama nor Mitt Romney has a good idea for how to pay for what needs to be done.
Most of the transportation network was built in the last century; in some places, it dates to the 1800s. Aging highways, bridges, trains and buses are frequently in need of repair or replacement, and no longer can handle peak traffic demands. More than 140,000 bridges are structurally deficient or obsolete. The problem only will worsen as the U.S. population grows.
The aviation system is struggling, too. A long-delayed program to modernize air traffic control and use satellite-based technology is projected to cost tens of billions of dollars. The current system is based on World War II-era radar technology. The annual number of airline passengers is forecast to rise from 730 million today to 1.2 billion in 2032, and the old system won't be able to keep up.
The tab to keep the surface transportation system running is even greater. A congressional commission estimated that all levels of government are spending $138 billion a year less than is needed to maintain the current system and make modest improvements.
Gas tax revenues that pay for federal transportation aid to states are declining because people are driving less and cars are more fuel efficient. Inflation also has taken a toll. The 18.4 cents-a-gallon federal tax hasn't been increased since 1993, and the federal Highway Trust Fund is projected to go broke in 2014.
"Obama mentions roads and bridges every once in a while, which I suppose is better than not mentioning it, but no one is really having any significant policy discussion about it or how it fits into our national debate over the debt," said Joshua Schank, president of the Eno Center for Transportation, a think tank.
If the candidates were to raise the issue, "it calls into question how you are going to pay for it, and there's a reluctance to talk about specifics," said Pete Ruane, president of the American Road and Transportation Builders Association.
When Obama discusses transportation, it's usually in the context of pumping money into projects to generate jobs and boost the economy. Romney usually doesn't mention it unless he's answering a rare transportation question.
During his first months in office, Obama persuaded Congress to pass an economic recovery bill that included $48 billion in highway and transit aid beyond normal federal spending, including $8 billion to jump-start a national high-speed rail program. But when House Democrats drafted a long-term transportation plan, the administration quietly asked them to shelve that proposal. Obama's focus was on health care and there was no extra money to go around, Democrats were told. The White House also was unwilling to spend political capital trying to raise the gas tax to pay for transportation improvements, knowing Republicans would label the president a tax raiser.
The 2010 elections swept into the House dozens of tea-party Republicans determined to shrink the government, making it even less likely Congress would agree to spend hundreds of billions of dollars on a long-term transportation plan.
Obama proposed a six-year, $476 billion transportation program this year; Congress ignored it. Administration officials said the program would be paid for through the "peace dividend" created by bringing troops home from Afghanistan and Iraq. But the wars were largely financed by borrowing, and phasing them out doesn't create a new pool of ready cash.
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Facing the prospect that the trust fund would run out of money and that highway aid would be cut off, Congress passed a two-year plan in June that uses money from increases in employers' pension insurance premiums and pension accounting changes to keep transportation programs going at current levels, plus increases for some programs to account for inflation, through the 2014 budget year. After that, the fund is once again forecast to go broke.
Romney hasn't offered a transportation plan. When answering questions about the subject, he has said he favors more toll roads, including government and industry partnerships that generate private investment to pay for construction of new highways and bridges in exchange for the right to charge motorists for their use. Such partnerships are practical for a relatively few large-scale projects that can guarantee investors a steady income.
"It's all well and good to say let's have private investment, but that's just another way of saying we don't want to talk about the money," Schank said.
Romney has called for ending subsidies to Amtrak, the nation's passenger railroad network. Obama has supported Amtrak, and Vice President Joe Biden is one of the railroad's biggest fans.
Historically, transportation has been one of the few issues to span the ideological divide between Democrats and Republicans. The only Democrat in President George W. Bush's Cabinet was Transportation Secretary Norman Mineta, a former California congressman. The only Republican currently in Obama's Cabinet is Transportation Secretary Ray LaHood, a former Illinois congressman.
But that bipartisan consensus has evaporated in recent years.
House Republicans were unable to pass their own transportation bill this year — they ultimately accepted the Senate's version — largely because of division in their own ranks. Some GOP lawmakers wanted to continue the large federal role in transportation that began with construction of the interstate highway system in the 1950s. More conservative members wanted to turn transportation policy almost completely over to the states.
On the Democratic side, environmentalists and smart-growth advocates have increased their influence on transportation policy. They want to use transportation aid to encourage denser housing close to mass transit that will encourage people to rely less on their cars. They argue that highway aid ought to be limited to repairing and improving existing roads and bridges rather than new construction.
"There have always been differences in emphasis," said Rob Atkinson, who headed the National Surface Transportation Infrastructure Financing Commission set up by Congress. "But now we have starkly different visions of the federal role in surface transportation policy that we haven't had since the interstate highway system was built."
Follow Joan Lowy at http://www.twitter.com/AP_Joan_Lowy
National Surface Transportation Infrastructure Financing Commission report http://financecommission.dot.gov
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