M275 Portsmouth North-South Motorway

Portsmouth North-South Motorway

Opened 11 March 1976

Chronology Map for 1976

Route

M275

Start point

M27 J12

Hilsea

End point

Rudmore

Road scheme and chronology data is courtesy SABRE (where much of it was gathered by member Ross Spur), with additional data from the UK Motorway Archive, the Scottish Roads Archive and the Northern Ireland Roads Site.

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Chronology Maps
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What's new

The sunlit uplands

On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.

Grand openings

Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.

Silver bullet

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

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M1 under construction

Pictures taken as the first section of the M1 was being built in 1958-9, with all its unique architecture still under construction.

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