Schréder EXEDRA LightSync

Automatic adjustment of street lighting intensity according to traffic and weather conditions.

Lighting in sync with real needs

● Challenges for cities ● Traditional path to light-on-demand ● Technology’s transformative potential ● Schréder EXEDRA LightSync: a new approach to adaptive lighting ● 3 steps to success Table of contents

● The right solution for your city ● Case study: city of Sion (CH)




major challenges for cities


Maximising safety Safety is the foundation of thriving cities, ensuring the well-being of residents and visitors. A safe urban environment is not only a moral obligation, but also a driver of economic growth and tourism. According to the World Health Organization (WHO), safety initiatives contribute significantly to the overall health and happiness of city dwellers, affecting their daily lives. Research in the journal Urban Studies highlights the interplay between safety and community wellbeing. Safe cities promote social interaction, citizen trust and a sense of belonging, creating a positive feedback loop for urban development.


Ensuring efficient mobility In the urban landscape, traffic congestion is emerging as a critical issue for the cities of today and tomorrow. According to the World Economic Forum ( WEF Mobility Report ), rapid urbanisation is exacerbating the challenges, leading to longer travel times, increased pollution and economic strain. The International Transport Forum ( ITF Report ) stresses the need for immediate action. Cities around the world are recognising the need to invest in smart infrastructure, public transport and innovative technologies. As urban populations grow, the need for efficient and sustainable mobility solutions becomes paramount. Looking ahead, sustainable urban planning and cutting-edge technologies are key to creating resilient and liveable cities.


Optimising available resources Meeting the challenge of delivering municipal services within constrained budgets is a global concern. Research by Eurostat highlights the prevalence of the struggle faced by municipalities. To address this, a key strategy is to innovate and extend the service capabilities of existing infrastructure. Councils are strategically using technology and collaboration to unlock efficient service delivery models. This approach ensures optimal use of budgets and leads local governments worldwide into a future where innovation is central to meeting the diverse needs of communities.


Fostering sustainable development

Cities are resolutely committed to environmental sustainability, linking their dedication to the reduction of CO2 emissions with the implementation of energy- efficient policies. Embracing the principles of the Green Deal, cities actively deploy green infrastructure. According to the World Resources Institute , these initiatives are crucial for mitigating the impact of urban areas on climate change. Concurrently, these forward-thinking cities are addressing the pressing issue of light pollution, a threat to ecosystems and human health, by integrating sustainable practices such as smart lighting and responsible outdoor lighting. Following the guidance of the Dark Sky Association , these efforts contribute to creating urban environments that are both eco-friendly and supportive of biodiversity.



The traditional path to light-on-demand solutions

Light-on-demand features improve sustainability by optimising energy use, enhance mobility through responsive lighting, improve safety with real-time adjustment, and contribute to a healthier environment by minimising CO 2 emissions and light pollution.

Radars & sensors Traditionally, the approach to responsive street lighting has revolved around the use of radars and sensors. These technological workhorses detect traffic patterns and occupancy, and serve as the cornerstone of light-on-demand systems. It’s a proven approach, but not without its challenges.

Investment and recurring costs Embarking on the journey to intelligent street lighting requires a financial commitment. The initial investment in radars, sensors and installation is a critical consideration. In addition, ongoing maintenance will incur recurring costs, adding complexity to the assessment of return on investment.

Adaptability challenges As urban landscapes evolve with changing mobility plans and organisational structures, the adaptability of light-on-demand systems is put to the test. Navigating these changes requires a strategic approach, highlighting the need for foresight and careful planning.



Technology’s transformative potential

Embracing digitalisation over a traditional hardware-centric approach opens the door to limitless opportunities. The dynamic landscape of phygital solutions enables flexibility, scalability and innovation, propelling businesses into a future of unprecedented growth and efficiency. As consumer habits drive digital adoption, organisations are having to rethink their traditional technology strategies. The adoption of streaming, online shopping and food delivery reflects a shift towards speed and simplicity. It’s forcing a new approach to technology in the professional environment. It’s a call to innovate and adapt business practices to the rapidly evolving landscape. The digital age isn’t just a change, it’s a breakthrough, opening up endless possibilities for a more connected and efficient future.

Digitalisation Cutting-edge technologies such as cloud computing, artificial intelligence and high-speed internet have laid the foundations for digitalisation.

Automation The integration of automated processes and systems increases efficiency and reduces manual workload, streamlining operations and improving overall effectiveness.

Data accessibility The availability of vast amounts of data fuels the machine and enables services to be tailored to individual preferences.

User experience Increased focus on user experience improves the attractiveness and usability of digital platforms.

Openness Embracing open source technologies and collaborative frameworks encourages innovation to build on existing solutions and adapt more quickly to changing needs.

Global connectivity Improved internet infrastructure and global connectivity facilitates the seamless exchange of information and services around the world.

Interoperability Standardisation and compatibility between different digital systems ensures smooth communication and integration, enabling disparate platforms to work together seamlessly.




Schréder EXEDRA LightSync

No rain


A new approach to adaptive lighting Unlike traditional systems, Schréder EXEDRA LightSync relies on data rather than physical sensors, bringing a new era to adaptive lighting technology.

Data-driven precision A key differentiator is that the system relies on data, eliminating the need for an array of physical sensors. By synchronising with external conditions, the Schréder EXEDRA LightSync system can dynamically adjust lighting levels across significant sections of public infrastructure. This not only streamlines the deployment process, but also ensures a more responsive and efficient lighting solution. A digital revolution Powered by Schréder EXEDRA’s digital service, the LightSync system uses real-time online traffic and weather information. This enables a tailored and automated response, adjusting lighting levels according to assessed local conditions. The result is a seamless, on-demand lighting experience that maximises efficiency without the need for additional hardware.

Light traffic

Heavy traffic


The right light as a service The Schréder EXEDRA LightSync service goes beyond lighting; it’s a comprehensive solution that optimises energy consumption and ease of use. With automatic adjustments based on customer preferences and international lighting standards, it ensures the right amount of light at all times. Seamlessly synchronised, safely predicted, flawlessly executed.

Made possible by a truly SMART solution Schréder EXEDRA LightSync is built on the pillars of S implicity, M odularity, A utomation, R esilience and T rust to enable a revolution in intelligent street lighting. Automation, an integral part of this cloud-based solution, ensures the

large amounts of data, enabling the creation of robust scenarios. The system’s resilience evolves with the technology, constantly delivering new capabilities. Most importantly, its trusted nature adheres to stringent cyber security standards, ensuring end-to-end security for a truly smart and safe lighting system. Any lighting installation controlled by Schréder EXEDRA can be easily upgraded to LightSync without any additional hardware requirements.

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seamless synchronisation of lighting levels with real-time traffic and weather data. The platform’s modularity promotes interoperability, facilitating smooth interaction with other systems. Automation-driven capabilities process



What are the most suitable applications?

Schréder EXEDRA LightSync is particularly suitable for common applications such as main road infrastructure, roads around venues and roads used for street activities.

Main road infrastructure In the domain of traffic management, where unpredictability is the rule, finding the perfect balance between safety and sustainability is critical. National Academies emphasise the need for safe, orderly and efficient roads. Designed to meet this challenge, Schréder EXEDRA LightSync is proving to be the ideal solution for creating the safest driving conditions on main roads, major urban boulevards, urban motorways and motorway interchanges. Recognising the delicate balance required, EXEDRA LightSync provides automated and adaptive lighting solutions that respond to the ever-changing dynamics of traffic. This intelligent system not only prioritises driver safety but also minimises energy consumption, embodying the essence of effective lighting management.

Road infrastructure around venues Special events, from fairs to concerts, often bring joy but can also create traffic challenges and safety concerns. A study by the U.A. Whitaker College of Engineering at Florida Gulf Coast University highlights the unique challenges posed by planned special events, including managing intense travel demand and accommodating large pedestrian flows. In response to these challenges, transportation agencies implement various traffic management strategies. One critical aspect that helps mitigate risks during special events is effective lighting. Schréder EXEDRA LightSync plays a central role in providing the right lighting to create the safest conditions with minimal energy consumption. The study highlights the importance of managing traffic flow and safety during special events, and Schréder EXEDRA LightSync is perfectly suited to this objective. With its intelligent and adaptive lighting system, EXEDRA LightSync not only improves visibility, but also ensures optimal safety while minimising energy consumption. The solution becomes a valuable asset in meeting the challenges of special events and helping to continuously improve traffic management plans.



Street activities Street events are a vibrant expression of community life. Inspired by the Street Experiments study conducted in London, Munich and Bologna, Schréder EXEDRA LightSync is aligned with citizens’ values and emphasises the public dimensions of life. It automates the creation of the right lighting atmosphere for road sections dedicated to street events, seamlessly transforming urban spaces to ensure optimum lighting for safety while minimising energy costs. This intelligent system adapts to slow or stationary motorised traffic and automatically adjusts lighting levels for specific events such as local markets, parades or festivals. General by nature, with room for exceptions Schréder EXEDRA LightSync is designed to apply a global lighting scenario to a section of road. However, the system offers the flexibility to exclude sensitive areas such as pedestrian crossings or accident prone intersections from dimming, ensuring maximum safety at all times. As a software-based system, it is easy to adapt to changes in urban planning and mobility policies over time.



Simulation & validation 2

Your Schréder EXEDRA LightSync project steps to success 3

During this phase, we first set up Schréder EXEDRA LightSync in simulation mode and then validate the settings. This involves meticulous configuration of data collection points for traffic volumes and weather conditions, setting precise thresholds for triggering responses, and fine-tuning the dimming matrix with optimal update intervals. Through rigorous testing and validation, we ensure that the adaptive street lighting solution works seamlessly and responds dynamically to real-world inputs. The Schréder EXEDRA LightSync system operates the lighting infrastructure autonomously, synchronising the dimming level of your luminaires with the traffic and/or weather information (depending on your preferences) throughout the night. Monitoring allows you to check what has happened on previous nights. The reporting tools can generate reports and insights that can be used beyond lighting management, for example to identify traffic patterns and revise urban planning or mobility policies. Execution excellence & performance vigilance 3

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Strategic evaluation 1

Based on the defined goals, the first critical step is a detailed assessment of streets, intersections and other topographical factors. This careful study ensures a nuanced understanding of the dynamics of the urban landscape, and allows the optimal technical settings for the Schréder EXEDRA LightSync system to be determined. By considering the subtleties of the project, we can tailor the technical configurations and ensure that the adaptive street lighting solution harmonises with the unique characteristics of the environment.

Updates & optimisation

Regular updates to the Schréder EXEDRA LightSync system ensure it remains at the forefront of technology. Through strategic optimisation, we fine-tune algorithms, incorporate user feedback and leverage new developments to improve system performance. Not being

tied to hardware constraints, our system offers unmatched adaptability to evolving urban planning and mobility policies. Schréder EXEDRA LightSync can seamlessly adapt to the dynamic landscape of urban development.



Why Schréder EXEDRA LightSync is the right solution for your city

Cost-effectiveness from iteration to validation, deployment and utilisation Schréder EXEDRA LightSync is a breakthrough in intelligent lighting, offering cost efficiency and user-friendliness. The system eliminates the need for sensors, extensive commissioning and ongoing maintenance costs. This software-based solution ensures easy testing, validation, customisation and on-site deployment. Customers benefit from monitoring and reporting tools that give them a complete overview of the system’s performance. With Schréder EXEDRA LightSync, you can enjoy a hassle-free transition to state-of-the-art adaptive lighting that effortlessly combines affordability, efficiency and advanced functionality. Seamless transition If your existing connected street lighting uses Schréder EXEDRA, upgrading to the LightSync service is a straightforward process. Unlike sensor-based projects that require extensive planning and infrastructure adjustments, this upgrade is efficient and adaptable, allowing easy integration with changing urban planning and mobility policies. As a future-proof solution, Schréder EXEDRA LightSync offers the flexibility to ensure a smooth transition and effective adaptation to any street lighting project.

Optimised energy efficiency, no compromise on safety

Schréder EXEDRA LightSync ensures that citizens receive unparalleled service while achieving remarkable energy efficiency. Unlike traditional approaches that may compromise on service by prioritising financial savings alone, Schréder EXEDRA LightSync achieves both, making it the definitive choice for municipalities committed to providing excellent service with minimal energy consumption. No other solution can balance these two conflicting objectives better . Schréder EXEDRA LightSync is particularly suitable for main roads, where municipal energy costs are highest and where energy efficiency solutions offer the greatest return on investment. Compliant with international standards Schréder EXEDRA LightSync not only complies with, but strategically navigates the complex international standards landscape, notably CEN/TR 13201-1. The system skilfully exploits the flexibility within these standards, highlighting the crucial interplay of weighting values to move from one M class to the next (+1 to -1). The finesse of the system lies in the careful selection and application of these weighting values to ensure the calculation of an optimal M lighting class. Schréder EXEDRA LightSync excels at dynamically adjusting lighting levels to achieve the perfect harmony between safety and energy efficiency. Minimised light pollution Schréder EXEDRA LightSync is a breakthrough in minimising light pollution through intelligent management of lighting use. The system’s ability to precisely illuminate when needed, and dynamically reduce intensity when not, ensures that light is used judiciously. This not only improves energy efficiency, but also makes a significant contribution to minimising light pollution, in line with a sustainable and responsible approach to urban lighting.

A city can provide its citizens with the best possible lighting at all times, ensuring their safety and maximising savings, all without the need for sensors on-site, always in compliance with standards and at no major cost.

Guilherme Faria Smart Lighting Solutions Manager




Case study Sion (Switzerland)



In a nutshell




• Automated adjustment of street lighting • Autonomous response to traffic, no sensors used • Energy efficiency and minimised light pollution • Increased safety on routes to ski resorts in Valais • A milestone for OIKEN, a utility company operating in 26 municipalities



Automatic adaptation of street lighting to changing traffic conditions Sion, the capital of the Valais canton in Switzerland, is working with public utility company OIKEN to revolutionise its lighting infrastructure. Operating in 26 municipalities, OIKEN manages public lighting networks and was looking for an innovative solution to increase efficiency, reduce energy consumption and ensure the safety of citizens. Safest routes to ski resorts with minimal energy consumption The project focuses on major roads that are crucial for residents and tourists travelling to the famous ski resorts in the area (Crans Montana, Saas-Fee and Zermatt). The aim is to adapt autonomously to changing traffic conditions. Instead of a conventional dimming profile, OIKEN opted for the state-of-the-art LightSync software to manage the Schréder EXEDRA remote-controlled street lighting. This strategic decision ensures that the lighting system dynamically adapts to changing traffic patterns, influenced by seasonality and weather conditions. A reliable, fully automatic solution ‘‘Schréder EXEDRA LightSync brings reliability and automation to lighting solutions, enabling lighting to be managed autonomously according to traffic volumes or weather conditions’’ , explains Alexandre Bacuzzi, Sales Director for French-speaking Switzerland. Flexibility, energy efficiency and future-proofing ‘‘Without major infrastructure, without installing sensors or radars, we are saving energy and reducing light pollution while ensuring the safety of people using these roads. It’s a very flexible solution. We only have to set up the remote management and the rest is done by computer. Our aim is to deploy Schréder EXEDRA LightSync on the majority of main roads equipped with a remote control system. It’s the future of lighting, ensuring that it uses less and less energy and causes less and less light pollution’’, concludes Jérôme Luyet, Outdoor Lighting Manager at OIKEN. The success of the Sion project sets a precedent for OIKEN and illustrates how Schréder EXEDRA LightSync can be seamlessly integrated into existing infrastructure to autonomously adapt lighting levels to dynamic traffic. No doubt the 26 municipalities that work with OIKEN on their lighting infrastructure will further explore this unique opportunity to improve their efficiency, safety and sustainability.

It is a very flexible solution. We only have to set up the remote management and the rest is done by computer.

Jérôme Luyet Outdoor Lighting Manager at OIKEN

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Copyright © Schréder S.A. 2024 - Executive Publisher: Stéphane Halleux - Schréder S.A. - rue de Mons 3 - B-4000 Liège (Belgium) - The information, descriptions and illustrations herein are of only an indicative nature. Due to advanced developments, we may be required to alter the characteristics of our products without notice. As these may present different characteristics according to the requirements of individual countries, we invite you to consult us.

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