Pennsylvania is moving forward with a plan to spend $300 million in order to widen I-83 in York County to eight lanes from four. But project documents fail to show how the project will solve any problems or bring clear benefits to the region.

In Miami, highways slice through almost every section of the city, cutting neighborhoods off from one another and creating sprawl that threatens the surrounding environment.

The Tri-State Tollway through the western Chicago suburbs to O’Hare Airport is a testament to the fact that you can’t build your way out of congestion.

California's $8-billion, 63-mile “High Desert Freeway" north of downtown Los Angeles would lead to more driving and more pollution, along with sprawling desert development.

The Great Lakes State is undertaking to expand the capacity of Interstate 75 — a project that is both unnecessary and will exacerbate the region’s problems.

Deadly and sprawling Houston does not need this $7-billion widening and rebuilding highway project.

It's the first of nine installments! This edition focuses on North Carolina’s plan to complete the southern half of a loop highway around Raleigh. It's a boondoggle with epic environmental repercussions

Here's the thing with highway expansion projects: They're big. They're expensive. And they have limited benefit. Our friends at US PIRG present their annual report.

Caltrans has widened U.S. 101 seven times since 1996 and hasn't cured congestion. But it's not going to try a new approach.

16 lanes. A $1.6 billion price tag. More traffic. Less transit. Yep, it's a boondoggle.