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High-tech pollution sensors to help cut congestion and reduce emissions on Liverpool City Region roads
Zephyr on traffic signal
Dozens of pollution sensors are to be installed on key roads across the Liverpool City Region in a bid to cut congestion and protect communities from harmful emissions.
The sensors, located on major routes in Halton, Knowsley, Liverpool, Sefton, St Helens and Wirral, will give local authorities access to real-time updates on air quality on key roads for the first time.
The technology will also be linked to Urban Traffic Control systems and signals that can be used to manage and divert traffic when pollution reaches elevated levels.
At the most recent meeting of the Liverpool City Region Combined Authority it was agreed that leading technology company Siemens’ Yunex Traffic division, working with partners ‘EarthSense’, would be selected to supply, install and maintain the sensors following a competitive tendering process. Funding for the project is being delivered through the region’s Transforming Cities Fund.
The devices will be fitted to traffic lights on 37 important corridors – including the Strand, Dunnings Bridge Road in Sefton and the Bridgewater Expressway in Halton – and will monitor harmful gases and particulate matter. The data will then be sent live to local authority highways management teams as they control traffic signals and electronic signage on major corridors.
This will allow traffic flow to be managed, and even diverted, to help avoid serious congestion and reduce harmful emissions particularly in built up areas most affected by air pollution.
Traffic pollution contributes to overall poor air quality which is estimated to be responsible for an average of 800 deaths every year in the Liverpool City Region.
The sensors, which are set to be installed by spring 2022, are an important part of Metro Mayor Steve Rotheram’s plan to deliver a cleaner, more sustainable London-style transport network that will help the Liverpool City Region to meet its ambitious target of becoming net zero carbon by 2040 – a decade ahead of national targets.
Steve Rotheram, Mayor of the Liverpool City Region, said:
Wilke Reints, Managing Director of Yunex Traffic in the UK said:
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