Green light for new smart motorways | Smart Highways Magazine: Industry News

Green light for new smart motorways

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Transport Secretary Patrick McLoughlin has approved three new smart motorway schemes on the M1 and M3, but has rejected proposals to limit speeds to 60mph between 7am and 7pm seven days a week .

Construction will now start on the M1 junctions 28-31 in Derbyshire, M1 junctions 32-35a in South Yorkshire and on the M3 at junction 2-4a in Surrey.

The new schemes are central to the government’s long term economic plan and part of £24 billion of investment in the road network by 2021, which will see spending tripled to £3bn each year on England’s key highways and motorways.

Smart motorways convert the hard shoulder to a running lane to boost capacity and smooth traffic, operating either permanently or during busy periods. Overhead variable message signs inform motorists of changes in speed limits, queuing and lane closures, while staff in regional control centres use CCTV to monitor incidents and keep motorists safe.

These schemes will boost capacity by a third and improve journey times up to 10% through the M1 schemes and 15 per cent on the M3, where average speeds are currently 45mph during rush-hour. The national speed limit on these sections will remain at 70 mph.

The Highways Agency previously consulted on proposals to limit speeds to 60mph between 7am and 7pm seven days a week because of the potential effect of the new schemes on local air quality.

However, the Transport Secretary has rejected this approach as the government’s preferred option for managing the problem and has instead asked the Highways Agency to rigorously investigate alternatives as work progresses on the schemes in the next 12-18 months. If any proposals continue to include varying speed limits, they must only apply when absolutely necessary. In particular, the Agency must look for alternatives that maintain the 70mph limit wherever possible, particularly when traffic tends to be lighter, such as at weekends and outside of peak commuting hours.

In the meantime, as with all smart motorways already in successful operation, the Highways Agency will take the necessary legal powers to enable them to vary the speed limit from the routine 70mph at certain times.

Patrick McLoughlin said: “Let me be absolutely clear, I want all motorways to run at 70mph. While it sometimes makes sense to use variable limits to keep people moving, blanket reductions are not acceptable.

“Smart motorways are an effective and cost efficient way of increasing space on our roads, cutting jams and speeding up journey times and I am pleased to announce the start of work on these schemes.”

These three schemes will be constructed as quickly as possible to reduce the impact on those who use the motorways and live near them. Drivers should see an improvement in their journeys when the M1 schemes commence operation from autumn 2015, and when the M3 scheme opens to traffic in 2016.

 
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