Economics

Roads To Riches

Why investors are clamoring to take over America's highways, bridges, and airportsand why the public should be nervous
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By Emily Thornton

Steve Hogan was in a bind. The executive director of Colorado's Northwest Parkway Public Highway Authority had run up $416 million in debt to build the 10-mile toll road between north Denver and the Boulder Turnpike, and he was starting to worry about the high payments. So he tried to refinance, asking bankers in late 2005 to pitch investors on new, lower-interest-rate bonds. But none of the hundreds of investors canvassed was interested.