Articles by Aileen Cho

Users can assemble a safety system that either saves or dooms a worker.

Stewards of public transportation and rail systems throughout the U.S. are facing both certain deadlines for installing positive train control (PTC) systems and uncertainty regarding the future of grants due to a proposed budget that has left some projects in limbo.

World’s busiest domestic passenger terminal will receive a makeover that includes striking structures and a lightweight material

Frederick Douglass Memorial Bridge replacement is a product of focused aesthetics goals

Cities and countries around the globe are vowing to cut carbon emissions from transportation by all possible means, from electric cars and buses to flying taxis and hyperloop.

A new structure that will replace the historic Sixth Street Viaduct required specialized falsework and will serve as an artistic connection

Construction could begin as soon as next year on a 240-mile high-speed rail line between Houston and Dallas if permitting goes smoothly, according to officials.