In April, the final breakthrough is expected in the second tube. At 57 kilometers long (35 miles), the Gotthard Base Tunnel will handily outstrip the 50-kilometer (31-mile) Channel Tunnel between ...

Think of the tunnel vision of the Olympian ... But this is the business equivalent of an eye exam: “Do the letters look sharper with this lens or this one?” Your vision isn’t as sharp ...

Traditionally, workers built tunnels by digging at either opening of the tunnel and meeting in the middle. But to improve access and reduce construction times Victorian workers often excavated ...