Skip to main content

Using Bluetooth technology to smooth traffic flow

The Municipality of Randers in Denmark is using Bluetooth technology from Danish company Blip Systems to improve traffic flow in the city. Consultancy company Cowi developed the Cowi CitySense system using BlipTrack sensors from Blip Systems. The popularity of Bluetooth technology makes it ideal for traffic monitoring, as increasing numbers of drivers use Bluetooth-equipped headsets or hands-free systems for their mobile phone. Small boxes with built-in Bluetooth sensors monitor traffic on a 2.5 km long st
December 14, 2012 Read time: 2 mins
The Municipality of Randers in Denmark is using Bluetooth technology from Danish company 3778 Blip Systems to improve traffic flow in the city.

Consultancy company Cowi developed the Cowi CitySense system using BlipTrack sensors from Blip Systems.  The popularity of Bluetooth technology makes it ideal for traffic monitoring, as increasing numbers of drivers use Bluetooth-equipped headsets or hands-free systems for their mobile phone.

Small boxes with built-in Bluetooth sensors monitor traffic on a 2.5 km long stretch around Randers Bridge at Tørvebryggen and Havnegade; each time a driver with a Bluetooth device passes, its anonymous Bluetooth signal has been registered by the sensors, enabling the municipality to monitor the vehicle’s travel time and produce a clear picture of the traffic flow.

“We now use the information to adapt to the new traffic lights so that traffic can move faster during rush hour. When the new signals are set up, we will again conduct research on the stretch to see how it has worked and to possibly make adjustments to the new lights, “says Randers Municipality project manager, Henrik Kaldahl.

“We can use these measurements with great confidence,” says Cowi senior specialist Jonas Olesen. “The challenge of the pilot project in Randers was that cyclists and pedestrians carrying a Bluetooth device became part of the statistics. But with a few modifications, we managed to embed them in the system, enabling us to separate cyclists and pedestrians from cars.  Randers is the first place we have used the system, so it is a kind of pilot project. It has given us some really good experiences and enables us to use Cowi CitySense in virtually all parts of the country,” he said.

For more information on companies in this article

Related Content

  • Netherlands road pricing trial results released
    February 2, 2012
    NXP Semiconductors and IBM have announced the final results of a landmark road pricing trial conducted in the Netherlands, which demonstrated that with the help of technology, drivers can be motivated to change their driving behaviour, reducing traffic congestion and contributing to a greener environment.
  • Cubic’s holistic view of traffic management
    May 25, 2022
    How can cities and transit agencies ease congested roadways? Andy Taylor of Cubic Transportation Systems suggests it would help to take a more holistic view of the problem
  • GPS delivers accurate journey time data for UTC
    January 27, 2012
    A new solution developed as a consequence of the UK's Freeflow project fuses GPS and UTC loop data to give more accurate predictions of journey times, benefting network managers and travellers alike. By Matt Cowley and Gareth Jones, Trakm8 and John Polak and Rajesh Krishnan, Imperial College London
  • Eco Bicester project uses Traffic Technology counters
    April 19, 2012
    UK company, Traffic Technology Limited will install ten pedestrian and cycle counters on behalf of local authorities in and around the town of UK town of Bicester, Oxfordshire, as part of the new Eco Bicester project.