An ambitious state-run high-speed rail project linking Los Angeles and San Francisco has gone off track.

High-speed rail can be found around the world. Yet so far, the projects haven't tracked in the U.S., where both the public and private sectors have faced ballooning costs and delays.

Stephen Mattingly, a civil engineering professor at the University of Texas at Arlington, explains why high-speed rail projects in much of the country so often go off track. Dr. Stephen Mattingly ...

Add Yahoo as a preferred source to see more of our stories on Google. State government and transportation leaders spoke this winter about the completion of a California high-speed rail facility next ...

"Our country has never seen a fiscal disaster of this magnitude," says California congressman Kevin Kiley.