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A41

Aston Clinton to Watford

On the journey from the outskirts of Greater London to Aylesbury, through the rolling hills of Hertfordshire, the A41 is more or less a motorway.

Routes

A41

A41(M)

Its first section opened in 1973, and the rest was all built, but the A41(M) doesn't exist. It was canned in favour of orbital roadbuilding, and later resurrected in a more modest form.

Routes

A41 A41(M)

A third Spur for London 28 June 2017

A couple of years ago we delighted in finding two spur roads called Spur Road. It turns out there's another one!

Routes

A5 A41 A410

M1 - A41 - A4008

Berrygrove Interchange

Routes

M1 A41 A4008

Region

East of England

Queensway Tunnel

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

Routes

A41 A57

What's new

South London's lost motorways

Completing the story of London's epic Ringways, we've just published the Southern Radials, five more motorways that never saw the light of day.

To the north east!

Two new additions to our collection of Opening Booklets take us to Darlington and Middlesbrough.

The ghost junction

The only UK motorway that didn’t connect to ordinary roads finally got its own interchange in 2019. But it's not open, because it still doesn’t touch any ordinary roads.

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Have you seen...

Thousands of vehicles travel the M6 between the M56 and M62 each day. They all cross the River Mersey and the Manchester Ship Canal, and the bridge that carries them is notorious from travel reports nationwide. But what does it actually look like from the ground?