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Management of traffic in Aarhus, Denmark using BlipTrack Bluetooth sensors

Aarhus, Denmark has been using BlipTrack Bluetooth sensors for several years to collect traffic information, based on the movement of road users´ Bluetooth devices.

The sensors, placed on the entire road network, including adjacent highways, provides the city with both real-time and historic traffic information, including driving times, speed, dwell times and flow.

BlipTrak-t'wire.jpegBesides the benefits of real-time reporting, which enables the city to gain in-depth insight and understanding of current road density, flow and formation of queues, and share traffic information with road users on signs, the historical data is now being used to detect driving time anomalies.

Effectively, this means that the city can pinpoint road sections and intersections where driving times deviate from the norm as a result of construction projects, incidents, roadwork, faulty traffic lights and other factors.

The data provides a thorough comparison of current vs typical driving times, minute-by-minute throughout the day. The typical driving times, which are continuously updated, are based on various type of days (weekdays, weekend, vacation season or not) and time of day.

If driving times deviate from the typical driving time, the system automatically raises a flag. As the system logs and visualizes all deviations, traffic engineers can create historical performance and reliability reports based on deviations from the norm. The city is provided with an overview of the current situation and tendencies over time, to initiate countermeasures.

Besides providing the city of Aarhus with visibility on driving times anomalies, the solution is also implemented in cities in UK, Sweden, Thailand, Switzerland, New Zealand, Norway, Canada and Ireland.

About Piyush Rajan

Asst. Editor |Telematics Wire | Smart automotive

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