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We've noted throughout this election season that transportation policy is something of a third rail in presidential politics. Gas prices and auto industry jobs are irresistible fodder for campaign promises, but even the candidate who has decent ideas about rail travel and bike infrastructure doesn't mention transit on the stump. (The other one doesn't have much to say in the first place.)

If you want topics like intercity rail and federal support for transit projects to get more attention on the national stage, the place to go is the Transportation for America website. T4A is currently collecting signatures calling on Obama and -- suspend your disbelief -- McCain to address the future of the U.S. transportation system at the final presidential debate Wednesday night. Sign on by 1:00 p.m. tomorrow and your petition will be delivered to campaign representatives before the debate.

Wondering how to make the case for transit to a national audience? T4A policy director Mariia Zimmerman puts it in compelling dollars-and-cents terms in this piece, "Reinventing American Transportation," which accompanies the Blueprint for America series on PBS. (Excerpt after the jump.)

Today, transportation is the second highest household expense after housing. America has invested in a stunning national highway system, but lags far behind other nations in building transit and high speed rail corridors that could complete our national transportation system.

For some families, long commutes and a lack of affordable or convenient transit mean that they are actually spending more on transportation than housing, particularly in exurban areas where people have relied upon the "drive until you qualify" approach to homeownership. And yet for those who do have transit available, they are saving almost $9,500 per year. Public transportation already saves the U.S. 4.2 billion gallons of gasoline each year.

Providing the transit, walking and biking infrastructure so that more people in our growing nation can live in closer proximity to daily needs and use their cars less could save billions more gallons of oil. It can also restore value to many of our urban neighborhoods: In most regions, homes near jobs and/or transit stations are holding their value, while those with the longest commutes are seeing steep declines and little buyer interest.

America has a long history of visionary transportation investment that has left a sizable imprint on our landscape and world standing. Our canals, railroads, bridges, and highways have shaped settlement patterns and served as the backbone of our economy. While these investments shaped the past, it is time now to ask what kind of investments America needs today when gasoline prices are high, oil dependence is a national threat, climate change is threatening the globe, and families are looking for more affordable and reliable options.

The next president and Congress should endorse a bold program to build modern, world-class train and bus systems in our cities and towns, high-speed rail that connects urban and rural areas, complete streets safe for biking and walking, and to get our highways, bridges and existing transit in tip-top shape.

Photo: ddkim/Flickr

On Wednesday, Mobilizing the Region called attention to the Bush Administration's proposed 2009 transportation budget. While New York City stands to get welcome earmarks for projects like the Second Avenue Subway, the big picture is more sobering. The administration wants to transfer billions of dollars from transit to highways:

It proposes to shore up the Highway Account of the federal Highway Trust Fund (HTF) by “borrowing” $3.2 billion from the HTF’s Mass Transit Account. It would also cut national transit spending by more than $200 million from previously proposed levels.

What's going on here? I'll do my best to make it interesting.

The Highway Trust Fund has two components: By law, 18.2 percent is set aside for transit, and the rest for
highways. Problem is, the highway people have been spending down their part of the fund at an unsustainable clip, and they are on pace to run out of cash around October. If that happens, they will have to stop jobs -- cutting off exactly the kind of big-ticket construction projects that legislators love.

"That's going to be very unsavory from a political standpoint," says David Burwell, a DC-based transportation policy expert. "So they're robbing Peter to pay Paul."

The administration looks at the Transit Fund, which still has several billion left in the piggy bank, and sees a quick fix to postpone facing a long-term problem head-on. But raiding the Transit Fund would drop it, too, into the red within two years. In a letter of opposition, Maria Zimmerman of the national transit advocacy group Reconnecting America warns of this scenario:

Bush’s FY09 budget proposal would further push the cost and obligation of maintaining the multi-trillion dollar transportation system -- one of this nation’s greatest assets -- onto the backs of state and local governments.

Now the good news: The gambit is unlikely to succeed.

"The people on the Transportation and Infrastructure Committee are going to scream bloody murder," says Burwell. "It's a violation of the spending structure established by ISTEA."

The most logical way to make up the shortfall, he believes, is to bump up the gas tax, but of course that's politically unpopular too. A more likely scenario will be a stop-gap measure like taking money from the general fund (which bumps up the federal deficit) or cracking down on gasoline wholesalers who cheat on gas tax payments (apparently this is a widely known problem that has gone largely unaddressed for some time).

In the not-too-distant future, more drastic measures will be necessary. The attempt to raid the Transit Fund is symptomatic of the same unsustainable financial situation that has caused the idea of privatizing highways to gain so much traction.

Burwell, an early champion of "context-sensitive" approaches to transportation projects, thinks privatization skirts the issue. "The solution is to figure out how to re-finance the Trust Fund and do it in a way that addresses public goals like reducing VMT and emissions."

The current authorization for the Highway Trust Fund expires on September 30, 2009, nine months after the new president takes office. The next authorization law will likely involve a commitment in the range of $300 to $350 billion over the next five years. Wouldn't it be great to hear the candidates weigh in on how that money should be spent?

Photo: Kaptain Krispy Kreme/Flickr