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 ...

Siemens Mobility ran the first test of a train set for Egypt's upgraded rail system last month on a segment of newly built track west of Cairo. While not the fastest train in the planned rail network, ...