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Hard Shoulder Monitoring - Navtech Radar

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Car icon in motorway lane for hard shoulder monitoring

Hard Shoulder Monitoring

With the unprecedented increase in traffic volume, highways agencies across the globe are searching for a cost-effective solution to congested roads and motorway travel. One of the solutions is to adapt motorways into smart motorways, enabling all-lane running traffic. It means the hard shoulder is opened for traffic at peak times reducing congestion and tailbacks. The solution gives the motorway increased capacity without investing in more expensive infrastructure.

For this initiative to succeed, highways agencies must consider all aspects of safety including monitoring the hard shoulder, ensuring it is clear of stopped vehicles and debris. Without a system that can accurately detect these problems, smart motorways and all-lane running cannot be safely implemented.

ClearWay provides accurate stopped vehicle and incident detection across multiple lanes, including the hard shoulder, and even the emergency areas. The fully automatic system can activate warning signs and and alert operators within 10 seconds of a detected stopped vehicle. Operators can then chose to close the hard-shoulder, and drivers are aware of the stopped vehicle, reducing the likelihood of a secondary incident.

Image of a multiple-lane highway with hard shoulders

Hard Shoulder
Monitoring

  • Stopped vehicle and debris detection in hard shoulder     
  • Activate warning signs
  • Alarms generated within 10 seconds
  • Reduce secondary incidents 
  • Emergency area monitoring

How does ClearWay Improve Traffic Flow and Reduce Costs of Congestion?

ClearWay constantly monitors traffic flow on the motorway. If traffic volume is high and average speed is slow, the hard shoulder can be opened for all-lane running. The system is integrated with third-party systems, such as cameras. If configured, the system can automatically take control of cameras. Operators can use the ClearWay data as well as video images, to make accurate decisions on opening or closing lanes, or changing speed limits. This will ultimately improve overall traffic flow.

How does ClearWay Enable Smart Motorways?

  • Rapid alerts when incidents detected

ClearWay alerts the operator within 10 seconds of identifying an incident. Thus, operators have the maximum time to send emergency response. If there is a stopped vehicle in the hard shoulder, they can close it quickly to decrease the likelihood of a secondary incident. 

  • Low false alarm rates 

Low false alarm rates improve operator vigilance and also avoid long periods of disruption. Alarms will only be activated during an actual incident. For example, a stopped vehicle in the hard-shoulder. This means lanes will only be closed when needed, improving traffic flow on smart motorways. 

  • Traffic flow behaviour analysis 

ClearWay can monitor traffic flow and store data. When ClearWay detects high volumes of traffic, either permanently or at peak times,  the hard shoulder can be opened by operators to ease flow of traffic. It creates an extra lane to provide additional capacity at far less cost than traditional road widening schemes.

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