Digital warning signs to be trialled at A1 and M9 motorway junctions | Smart Highways Magazine: Industry News

Digital warning signs to be trialled at A1 and M9 motorway junctions

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After the death of seven people in four years electronic are reportedly being trialled in Scotland. 

The warning signs will be triggered by vehicles driving the wrong way onto motorways.

The Scotsman reports the system involves flashing lights and no entry symbols being illuminated when drivers take a wrong turning onto a slip. The technology is to be tested on the M9 in West Lothian and the A1 in East Lothian.

Road maintenance firm Amey is trialling the signs at junction two of the M9 at Philipstoun, and at Wallyford on the A1.

Its spokeswoman told The Scotsman, “Accident statistics, along with police reports of incidents not leading to a collision have shown this is a recurring problem at several junctions on the network.”

“An accident investigation identified these two junctions as being particularly at risk due to several fatal accidents.”

“Amey partnered with Clearview Intelligence, a road system technology provider, to develop a wrong way detection system that used a combination of detection sensors, warning signs and alerts to prevent drivers continuing along the slip roads incorrectly,” concluded the spokeswoman.

According to The Scotsman the warning signs could also be linked to the Traffic Scotland control room so that other motorists could be warned about any wrong-way driver who is yet to drive past them. The police would also be automatically alerted.


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