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Stockholm Utilizes Drivers´Wireless Devices to Improve Road Network

Stockholm Utilizes Drivers´Wireless Devices to Improve Road Network

The Swedish capital has adopted BlipTrack queue and flow measurement technology from Denmark-based BLIP Systems. Installed and organized by Dynniq, the solution provides the city with travel times and flow data to help alleviate congestion and provide road users with real-time traffic information.

If you drive around Stockholm with a switched on Bluetooth or WiFi device, you are automatically helping your fellow motorists to enjoy a faster and less congested journey.

Stockholm, the most populous city in Scandinavia, has joined a host of other major cities, including Bangkok, Zürich, Auckland and Portsmouth, that uses BlipTrack sensors to measure how road users travel and use the city´s roads

Otto Aastrand, Traffic Analyst at Trafik Stockholm, explains: “We use the collected data to display live travel times via Trafiken.nu, which is our traffic information hub, and on several VMS-signs placed around the city. The travel times help road users to make informed decisions about their journey, both in real-time and for those planning their daily commute.”

The travel times are continuously updated, in line with the actual behavior of road users, so, by considering their route and the time they depart, the motorists themselves are helping to reduce bottlenecks and keep the traffic moving.

“We also use the data for measuring the development in traffic density, speed and congestion. The southern part of Stockholm, where we first installed BlipTrack, will be a roadwork zone for many years ahead, when building the Stockholm Bypass. It will not only affect the main highway (E4) running through the work zone, but also the surrounding roads. With BlipTrack we are able to measure the capacity and traffic flow in real-time in and around the area. This allow us to take proactive steps, to initiate countermeasures, if traffic build-up should occur, continues Otto Aastrand.

“It also helps us to understand various traffic-related matters, such as the impact of traffic control, weather-related patterns, congestion patterns at roadworks, accidents and events, and driving behavior and patterns. With this information, we can evaluate and validate existing traffic models and make informed decisions about where to prioritize expansions and optimizations to help the daily commute.

Measuring travel times over longer distances in complex traffic environments is complicated to do with our traditional sensors, such as Radar and microwave detectors. Bliptrack gives us insights on how much individual journeys can differ from each other, especially when traffic lights are involved. The ability to measure travel times over longer stretches of road with various queue lengths and only looking at specific route choices is another strength of the solution” ends Otto Aastrand.

Johanna Karlsson, CEO of Trafik Stockholm says, “We are always trying new technologies for traffic monitoring and BlipTrack compliments our other sensors and data sources very well. The ability to measure travel times, monitor queues and perform OD analysis, convinced us to adopt the solution for Stockholm. The ability to detect and mitigate disruptive events offers significant economic benefits through reduced travel times and fuel consumption, as well as environmental benefits due to reduced CO2 emissions and improved air quality.”

“The solution works by placing BlipTrack sensors at strategic points along the roads. The sensors detect Bluetooth and WiFi devices, found in mobile phones and in-car audio and communication systems. By identifying the devices at multiple sensors, specific and accurate statistical information, such as the travel times, average speeds, dwell times and movement patterns become available,” explains Preben Fugl Andersen, Sales Manager at BLIP Systems.

The city has recently expanded the solution to cover major roads north of Stockholm.

Fuente de la noticia: https://www.linkedin.com/pulse/stockholm-utilizes-driverswireless-devices-improve-road-carstens

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