A303

A303

Basingstoke to Ilminster

The famous and iconic road from London to the South West, and from work to holidays for many millions of people over the years, the A303 is bound up in British culture with ideas of summer, surfing, festivals and fun.

Routes

What's new

Imperfectly Odd: Batheaston Bypass

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

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.

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Have you seen...

Emergency Diversion Routes

Those funny black and yellow symbols are everywhere - and they might just get you back on track one day.