The scheme covers seven miles of the M4 and M5 motorways around the Almondsbury Interchange in Bristol. The aim is to help reduce congestion and improve safety by imposing variable speed limits and the opening of the hard shoulder during busy traffic periods.
The concept used to be called 'managed motorways' by the Highways Agency but the preferred jargon was changed last year.
Since January 2012 Balfour Beatty has installed 33 new gantries, refurbished seven existing ones, resurfaced more than 14 miles of carriageway, laid more than 30 miles of fibre optic cabling and built six emergency refuge areas.
Balfour Beatty Construction Services UK chief executive officer Nicholas Pollard said: “We have delivered a high-quality product to our customer, the Highways Agency, with this smart motorway scheme, and it is a great example of collaborative working, using the very latest in motorway traffic management technology in the UK today.”
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