In the public and private sectors alike, site communication has become a strategic issue. Informing local residents, reassuring elected officials, coordinating various technical departments… these are just some of the challenges project owners face. With Devisubox, RATP has implemented an innovative project communication strategy based on real-time site images and video content designed for both the general public and professionals. A Multi-Faceted Approach to Project Communication For the extension of the T3b tram line in Paris, the RATP teams, in partnership with the City of Paris, integrated a comprehensive site communication plan. This complex project involved both surface and underground work, requiring close coordination between RATP’s technical services, municipal teams, and contracting companies. To streamline communication, the Devisubox monitoring interface was used as a central site communication tool. The coordinator from the City of Paris, for example, logged in regularly to monitor the progress of the underground work and plan surface-level interventions. This is one of the key benefits of site images: they create a common language among all stakeholders. A Stronger Relationship with Local Residents Another fundamental aspect of site communication is the connection with residents. To achieve this, RATP regularly published content on its Facebook page, including Reels (short vertical videos) produced by the Devisubox studio. These engaging formats help to simplify the project’s stages, show the actual progress of the work, and maintain a climate of transparency and trust. This narrative and visual approach is a game-changer: it transforms a site, often perceived as a nuisance, into a collective project supported by tangible images. Tools to Showcase Every Stage Beyond daily monitoring, the teams used Devisubox’s Before/After feature, which is particularly useful in an urban setting. With a simple slider, it’s possible to compare two photos taken from the same spot several months apart and instantly visualize the project’s evolution. This is a valuable tool for communicating with local authorities and for clearly illustrating the project’s benefits to the general public. A Video to Launch… and to Capitalize On Finally, at the end of the project, a communication video was produced by Devisubox, compiling the best images captured throughout the duration of the work. This video was presented during the official inauguration of the T3b tram extension, attended by local elected officials and all stakeholders. This deliverable marks the culmination of the project, but it is also a long-lasting asset: it can be reused in other public meetings, on social media, or in end-of-project reports. A New Way of Thinking About Site Communication The RATP case study demonstrates how site communication today goes far beyond simple regulatory signage. It is a strategic lever for managing a project, uniting its stakeholders, engaging with citizens, and showcasing results. Thanks to Devisubox’s visual tools—real-time photos, videos, Before/After comparisons—teams have tangible, effective, and engaging assets for every stage of the project.