Skip to main content

South west’s first smart motorway opens

The first smart motorway scheme in the UK’s south west has been officially launched, covering seven miles of motorway around the Almondsbury interchange and including junctions 19-20 on the M4 and junctions 15-17 on the M5. It is designed to help reduce congestion and improve safety and journey times by introducing variable speed limits and opening the hard shoulder during busy traffic periods. The improvements to the M4 and M5 use a range of technologies and operational systems to reduce congestion and
January 15, 2014 Read time: 2 mins
The first smart motorway scheme in the UK’s south west has been officially launched, covering seven miles of motorway around the Almondsbury interchange and including junctions 19-20 on the M4 and junctions 15-17 on the M5.  It is designed to help reduce congestion and improve safety and journey times by introducing variable speed limits and opening the hard shoulder during busy traffic periods.

The improvements to the M4 and M5 use a range of technologies and operational systems to reduce congestion and smooth the flow of traffic. During busy periods, traffic officers in the regional control centre at Avonmouth will set overhead message signs to inform drivers they can use the hard shoulder as an extra lane and at what speed to drive.

The project included installation of 33 new gantries, refurbishing seven existing ones, resurfacing over 14 miles of carriageway, laying over 30 miles of fibre optic cabling and constructing six emergency refuge areas.

Launching the scheme, Roads Minister Robert Goodwill said: “Every day, more than 140,000 vehicles use this section of motorway which is an essential gateway to the South West. That is why the government has invested almost US$148 million to help improve access and traffic flow on this vital route. This is the first smart motorway in the region and I’m delighted that road users and businesses will be able to benefit from the improvements earlier than planned.”

503 Highways Agency senior project manager Paul Unwin said: “The M4 and M5 scheme demonstrates how a smart and efficient solution can deliver improvements that road users need – more capacity and better management of traffic to reduce congestion and make journey times more reliable.”

For more information on companies in this article

Related Content

  • Fluor consortium awarded Dutch motorway project
    October 6, 2016
    The 3Angle special purpose company, a consortium of Fluor, 3i Infrastructure and Heijmans Capital has completed the financing of the A27/A1 public private partnership (PPP) project in the Netherlands. The project is valued at more than US$246 million, which includes a 25-year management and maintenance period. 3Angle is responsible for the financing, design, construction, management and maintenance of the reconstruction of the A27 motorway between Utrecht North and the Eemnes Junction, as well as the A1
  • Illinois investing in smarter highways
    February 11, 2014
    Almost 1,000 highway deaths in Illinois in 2013 and some of the worst interstate traffic congestion in the country has prompted the state to launch a US$45 million trial to investigate whether a blend of technologies can make smarter highways which are safer for drivers and less prone to congestion. Traffic engineers are focusing initially on the Edens Expressway and the northern stretch of US Highway 41 and will begin incorporating a mix of existing and new technology during the next two years, an under
  • Reducing congestion with Tomtom's historical traffic data
    December 5, 2012
    Historical traffic data provided by TomTom is being used by the local government in Spain’s Basque region to reduce road congestion at less cost. Old habits die hard. Photos from as far back as the 1930s show people counting cars by the roadside in order to provide congestion data to those running road networks. Today, such techniques are still used, albeit augmented by a range of automation technologies such as inductive loops, infra-red sensors and number plate recognition. Even with these advances, howe
  • Panasonic gets connected on The Ray
    June 5, 2020
    A stretch of rural Georgia highway called The Ray is a particularly useful testbed for V2X technology. Panasonic’s Chris Armstrong tells Adam Hill what’s so special about it