Real-time active traffic management on diversion routes

We recognised a need to better look after road users in our community on local diversion routes, when other routes are closed for maintenance or construction work overnight, ensuring improved safety for everyone on often unfamiliar diversion routes.

Diversion routes also changed each night so we needed a smart mobile solution to better meet our local community needs.

We researched and trialled the new Airscan system which uses anonymous Wi-Fi and Bluetooth signals transmitted by visible devices in passing vehicles on the diversion route.

Data is collected by sensors and relayed to portable variable messaging signs (PVMS) which then advise road users in advance of potential delays, and allow for strategic checks by maintenance teams should journey times increase dramatically, indicating an incident or delay on the diversion route and allowing early intervention by traffic management teams.

Better information on travel times on diversion routes improves drivers’ experience and behaviour, so there is less risk to road workers from hazardous driving, and road users’ fear of the unknown on diversion routes is reduced.

For example on our M62 trial site, the PVMS was initially set with a default time of 15 minutes, which then adjusted in real-time throughout the overnight closure based on the information being picked up by the Airscan system, dropping to 11 minutes at one point in the early hours of the morning.

To find out more about Airscan click below.

Iknaia Airscan


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Entry submitted by Area 12 A-one+ Integrated Highway Services


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