Environmental barriers trialled on M62 | Smart Highways Magazine: Industry News

Environmental barriers trialled on M62

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Environmentally friendly barriers that tackle the impact of poor air quality are being installed for the first time on England’s roads.

The Highways Agency scheme will see two air quality barriers installed near junction 18 of the M62, near Simister, Greater Manchester.

Construction started today (24 July 2014) and the £2.5 million scheme will see barriers built on each side of the motorway by September 2014, before a year-long trial to test their effectiveness in tackling harmful vehicle emissions starts.

The barriers, which have been trialled in other European countries, work by dispersing emissions and can act as an effective safeguard to communities near busy roads. The results of international studies so far show the barriers can reduce the level of oxides of nitrogen (NOx) by up to 20% in some areas. If successful, the barriers could shape the future design of other major road schemes where air pollution exceeds legal thresholds.

Highways Agency senior project manager Jacqui Allen said:“We need to ensure that whilst government spending to improve England’s road network is tripling to over £3 billion by 2021, it is vital we also look after our environment.

“This pilot will provide us with more evidence as to whether these barriers can be effective, and is just one part of our research to find new ways of dispersing harmful emissions.”

Each wooden barrier will be 100 metres long and four metres high, increasing to six metres if needed. The barriers are supported by steel structures and positioned on either side of the motorway, in an offset position from each other, to the east of junction 18.

The equipment to monitor local air quality levels will be placed at either side of the barriers and behind, with the equipment behind stretching back to a distance of up to 200 metres. This allows for samples recorded at the different collection points to be analysed and compared.

Following the 12 month study the results will be carefully considered before any decision on future use of barriers is made.

 
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