Stopped vehicle detection upgrades

What's happening

We're upgrading motorways across the country with technology which detects stopped vehicles. Every motorway where the hard shoulder has been permanently converted to a live traffic lane will have the new radar-based technology by the end of September 2022.

This new stopped vehicle detection will enhance the existing systems that work together to help drivers feel safe and be safer on motorways without a hard shoulder. Already motorways have a system called MIDAS (Motorway Incident Detection and Automatic Signalling) which uses sensors to monitor traffic volumes and automatically set signs and signals as the motorway becomes more congested. Our upgraded motorways also include technology, Red X signs which close lanes to other traffic when a stopped vehicle is identified, emergency areas that are set back from the road for drivers to pull into, and signs and signals which can alert drivers to hazards and change the speed limit, if necessary.

How it works

We will install new radar units at the side of the road to monitor the motorway in both directions, detecting vehicles that have stopped.

The advantage of this new system is it is specifically designed to detect a stationary vehicle, typically in 20 seconds, and alert a control room operator who can see the incident on camera, close lanes and dispatch a National Highways traffic officer to attend to the stopped vehicle.

Using stopped vehicle detection means that there is a significant reduction in time taken for the control room operators to be notified of problems, to verify the presence of stationary vehicles and get help deployed more quickly.

About our roadworks

The vast majority of this upgrade work will be carried out overnight using temporary lane closures, with all restrictions removed during the day. We may need to cut back some vegetation to ensure the radar units can see the road, but we will keep this to a minimum and we don’t expect to have to remove any mature trees. Towards the end of the upgrade at each location, we may need to close the road overnight for testing and commissioning work. There will be clearly signed diversions in place and, again, we will remove all restrictions during the day.

Before we start work at any location, we will write to people who live near the motorway and to local representatives including councillors and MPs.

Our programme

We will be delivering these upgrades in phases, and all upgrades will be complete by the end of September 2022.

Find out more

You can email the project team directly at: stoppedvehicledetection@highwaysengland.co.uk