Tunnels

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

It has viaducts, a tunnel and plenty of controversy, but the amazing Batheaston Bypass doesn’t really work. What went wrong?

We've reached the end of the strangest year anyone can remember. Time for a quick look at some news from the last few months.

The capital's planned new river crossing faces opposition at every turn. Why has it always been so hard to find new ways across the Thames in East London?

The toll booths are gone but you still need to pay. If you don't... what next?

The engineering marvel of its day, much altered and maligned ever since: this is the original Mersey Tunnel in all its glory.

An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.

Proposed at the same time as the Ringways, but ten times as ambitious - and to think the government considered building them both!