The federal gas tax populates the Highway Trust Fund that pays for the construction and maintenance of America's roads. According to House Transportation Chair John Mica, the fund is on track to go broke by 2013 under current spending levels. A major reason the coffers are dwindling is that Congress has not raised the gas tax since 1993, despite the fact that America has, by global standards, relatively low gas prices.
So what will happen to U.S. highways if the federal tax expires? Click here to read the entire article.