The Fehmarnbelt fixed link is being constructed to represent the world’s longest underwater immersed rail and road tunnel.

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries Colorado River water to Southern California.

Nick's Signal Spot explores the untold story of tunnel radio systems that bring AM and FM signals to life below the surface.

From smart streets to cycling corridors, Dubai’s 2025–2027 road expansion plan aims to transform mobility for over 8 million ...

The 13-mile-long San Jacinto Tunnel was bored through the mountain ... end of the passage to give The Times and others a rare look inside. “It's an engineering marvel,” said John Bednarski ...

Scott Reierson, an operations and maintenance supervisor for the Metropolitan Water District, leads a group on a tour, walking through a 16-foot-diameter tunnel toward the west portal of the ...

The 13-mile-long San Jacinto Tunnel was bored through the mountain in the 1930s by ... opened the west end of the passage to give The Times and others a rare look inside. “It's an engineering marvel,” ...