Roads

St Petersburg’s drawbridges, engineering works of art

St. Petersburg’s drawbridges raise their arms each night for massive ships

Tunneling: all the biggest American projects

Tunnel Boring Machines are at the centre of some of the biggest infrastructure projects in the U.S.

An underground highway to protect Stonehenge

The Johnson government has approved a longstanding plan to build a 3.3-kilometre (2-mile) tunnel that passes 150 meters (492 feet) from the site

America’s $123 billion bridges

Exploring the 614,000 bridges of the United States: key investments, iconic monuments

Italy: infrastructure to help the country recover

Like the United States, China and the United Kingdom, Italy is setting its sights on infrastructure to help relaunch its economy

Driving the US Highway 50, the loneliest road in America

From East to West, 4,800 kilometres coast-to-coast: a trip through a great American infrastructure

The US Route 50

The Sfalassà viaduct: man versus the elements

How one of Europe’s most spectacular bridges was built and modernised

The new San Francisco Bay Bridge: an earthquake proof structure

The bridge across the San Francisco Bay is rebuilt and retrofitted for the next seismic event