More than 20,000 cars zoom down the new $2.5 billion Intercounty Connector every day, and the zooming is driving its neighbors crazy.

“There are mornings it honestly sounds like an airplane is taking off from the neighborhood,” said Silver Spring resident Ellen Slepitza. “I think everybody realizes when a road goes in you’re going to have noise. But nobody was ready for this kind of noise. And I hate to say it, but I think the government would just like to ignore it.”