Advances in ultrasound—the same imaging technology that uses sound waves to allow doctors to monitor babies in utero—are being applied by engineers at the University of California San Diego to make ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

As weather extremes become more frequent, transit agencies recognize that resilience requires a coordinated approach.

LOS ANGELES (Reuters) -A U.S. railroad industry plan to rely more heavily on technology instead of humans to conduct routine track safety inspections has drawn a backlash from labor groups and ...

Although the inspection of railway tracks is a very important task, such inspections typically have to be performed when no trains are anywhere nearby. The new rail-riding Staaker BG-300 Railway Drone ...

The nation's freight railroads are going to be able to try relying more on technology and inspect their tracks in person less often after the federal government approved their waiver request on Friday ...

Lawmakers are scrutinizing railroad safety regulations following the Feb. 3 derailment of a Norfolk Southern freight train carrying hazardous chemicals. In a Feb. 21 Twitter exchange, Sen. Marco Rubio ...