A3

A3 and A3(M)

London to Portsmouth

The A3 is the historic route south-west from London to Portsmouth, connecting the capital with the home of the navy, and thanks to a steady programme of upgrades since the early part of the 20th Century, it still is, and today it's virtually a motorway from the city to the coast.

Routes

What's new

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

Devon help us

Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?

Have you seen...

Sir James Drake

County Surveyor and Bridgemaster for Lancashire in the 1950s and 60s, Drake was instrumental in the motorway revolution.