Axis Communications > Case Studies > Enhancing Public Safety with IoT: A Case Study of Storstockholms Lokaltrafik's Security System Upgrade

Enhancing Public Safety with IoT: A Case Study of Storstockholms Lokaltrafik's Security System Upgrade

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 Enhancing Public Safety with IoT: A Case Study of Storstockholms Lokaltrafik's Security System Upgrade - IoT ONE Case Study
Technology Category
  • Sensors - Camera / Video Systems
  • Sensors - Optical Sensors
Applicable Industries
  • National Security & Defense
  • Security & Public Safety
Applicable Functions
  • Logistics & Transportation
  • Product Research & Development
Use Cases
  • Smart Lighting
  • Tamper Detection
  • System Integration
  • Training
The Customer

Storstockholms Lokaltrafik (SL)

About The Customer
Storstockholms Lokaltrafik (SL) is the Greater Stockholm Local Transit Company that transports about 790,000 passengers each day. SL operates buses, subways, commuter trains, local trains, trams, platforms, and other parts of the stations. The company is committed to ensuring the safety and security of its passengers and staff. SL has a Security Center (Trygghetscentral), which is part of SL’s total security solution, that helps people travel safely and securely on public transport. The Security Center is staffed with operators who monitor video footage in real time around the clock.
The Challenge
Storstockholms Lokaltrafik (SL), Greater Stockholm Local Transit Company, was faced with the challenge of updating its existing security camera system. The company aimed to maintain a high level of safety and security for passengers and staff, combat crime such as theft, robbery, and vandalism, and support its staff in daily operations and emergency response operations. SL also wanted to ensure that it had a good video surveillance system which was able to provide good image material to investigate accidents, perform better analyses for accident prevention and better assist the police with images for criminal investigations. The challenge was further compounded by the complicated light conditions, exposure to tampering, dirt, vibrations, and extreme temperature variations, and the need for the cameras to be easy to clean, withstand a high-pressure washer, and be easy to control and manage centrally.
The Solution
SL updated its security system with about 22,000 cameras, making it the largest installation of security cameras in Northern Europe. The update involved the replacement of about 4,000 network cameras, a large percentage of which are from the AXIS P32 and AXIS P33 series, together with XProtect® software from Milestone Systems. The security cameras are reliable, durable, easy to install, and can handle very severe lighting conditions. Due to advanced technology within the Axis cameras and their policy of an open API, they were able to reduce the system’s bandwidth requirements and provide a solution that was both cutting-edge and future-proof. The cameras installed are primarily network cameras from the AXIS P32 and AXIS P33 series that work together with Milestone Systems’ XProtect® Corporate software, which is specially designed for large security installations. These are seamlessly and effectively integrated with the existing security system and other elements of the IT infrastructure.
Operational Impact
  • The upgraded security system has significantly increased safety and security for both travelers and SL workers. The cameras prevent vandalism and graffiti, and are an aid to SL’s staff in tasks such as monitoring traffic in daily operations and during evacuations. The cameras also provide SL staff a lot of support in their daily work with regard to traffic control and for different types of emergency response operations. During evacuations, the cameras provide visual support for announcements and instructions given via the PA system. It is also easier for the police to gather evidence in the form of images from the cameras, thereby facilitating their work. The system is continuously updated with the latest technologies and innovations, ensuring its future-proof nature.
Quantitative Benefit
  • Crime reduced by 25% at the subway stations in central Stockholm that are equipped with security cameras.
  • Bandwidth and storage requirements reduced by at least 50% due to Axis Zipstream technology.
  • About 200 incidents are reported each day, indicating active use and effectiveness of the system.

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