A set of bridges that haven’t gotten the same attention as the massive Portal North Bridge replacement, but are just as critical for the Gateway Tunnel project, are on the road to retirement, Amtrak ...

Palo Alto is weighing eight options, seven of which are tunnels, for bicyclists and pedestrians to have a safer way to cross the Caltrain tracks between the California Avenue and San Antonio stops.

The construction of the 135 km long elevated section of the Mumbai-Ahmedabad Bullet Train corridor presents a significant challenge in this ambitious high-speed rail project. Spanning from Shilphata ...