--- title: "Automated Track Geometry Analysis with 3D LiDAR: A Game-Changer for Railways" description: Railway Reverse Engineering 100% automated and in just a few minutes, it's possible! image: https://www.thecrossproduct.com/hubfs/Blog%20Article%20Retro-ingenierie%20ferro.png --- - [Home](http://www.thecrossproduct.com) - [Accelerate what?](http://www.thecrossproduct.com?https://www.thecrossproduct.com/#Accelerate-what) - [Sectors](http://www.thecrossproduct.com?https://www.thecrossproduct.com/#sectors) - [About us](http://www.thecrossproduct.com/about-us-) - [Business Model](http://www.thecrossproduct.com/en/business-model) - [Partner with us](http://www.thecrossproduct.com/en/partner-with-us) - [API](https://doc.thecrossproduct.xyz/) [![Logo\_TCP\_arrondi](https://www.thecrossproduct.com/hubfs/Logo_TCP_arrondi.png) ![Logo\_TCP\_arrondi](https://www.thecrossproduct.com/hubfs/Logo_TCP_arrondi.png)](http://www.thecrossproduct.com?hsLang=en) [contact us](http://www.thecrossproduct.com/contact-us?hsLang=en) Toggle navigation Toggle navigation - [Home](http://www.thecrossproduct.com) - Accelerate What? - [Risks Identification](http://www.thecrossproduct.com/en/accelerate-risks-identification) - [Defects Identification](http://www.thecrossproduct.com/en/accelerate-defects-identification) - [3D Modelling](http://www.thecrossproduct.com/en/accelerate-modelling) - [Non-compliance Identification](http://www.thecrossproduct.com/en/accelerate-non-compliance-identification) - Sectors - [Road](http://www.thecrossproduct.com/en/highway-solution) - [Railway](http://www.thecrossproduct.com/en/railway-solution) - [Customized Products](http://www.thecrossproduct.com/en/customized-products) - [Major Achievements](http://www.thecrossproduct.com/en/major-achievements) - [Total Energies](https://www.thecrossproduct.com/en/major-achievements#Total) - [SNCF Réseau](http://www.thecrossproduct.com/en/major-achievements#SNCF) - [setec](http://www.thecrossproduct.com/en/major-achievements#setec) - [Geograma](http://www.thecrossproduct.com/en/major-achievements#Geograma) - [Business Model](http://www.thecrossproduct.com/en/business-model) - [TCP Tutorials](http://www.thecrossproduct.com/en/tutos-menu) - [About us](http://www.thecrossproduct.com/about-us-) - [Partner with us](http://www.thecrossproduct.com/en/partner-with-us) - [Q&A](http://www.thecrossproduct.com/en/faq) - [Blog](http://www.thecrossproduct.com/en/blog/lidar-3d-point-clouds-and-more) - [API](https://doc.thecrossproduct.xyz/) - [Home](http://www.thecrossproduct.com) - [Accelerate what?](http://www.thecrossproduct.com?https://www.thecrossproduct.com/#Accelerate-what) - [Sectors](http://www.thecrossproduct.com?https://www.thecrossproduct.com/#sectors) - [About us](http://www.thecrossproduct.com/about-us-) - [Business Model](http://www.thecrossproduct.com/en/business-model) - [Partner with us](http://www.thecrossproduct.com/en/partner-with-us) - [API](https://doc.thecrossproduct.xyz/) - [English](http://www.thecrossproduct.com/en/blog/lidar-3d-point-clouds-and-more/rétro-ingénierie-automatique-réaliser-16-km-daxe-en-plan-landxml-en-30-minutes-chrono-un-rêve-devenu-réalité) - [Français](http://www.thecrossproduct.com/fr/blog/lidar-3d-point-clouds-and-more/rétro-ingénierie-automatique-réaliser-16-km-daxe-en-plan-landxml-en-30-minutes-chrono-un-rêve-devenu-réalité) # Automated Track Geometry Analysis with 3D LiDAR: A Game-Changer for Railways October 23, 2023 •[Déborah](http://www.thecrossproduct.com/en/blog/lidar-3d-point-clouds-and-more/author/déborah) [article](http://www.thecrossproduct.com/en/blog/lidar-3d-point-clouds-and-more/tag/article) ![](https://www.thecrossproduct.com/hs-fs/hubfs/Blog%20Article%20Retro-ingenierie%20ferro.png?height=630&name=Blog%20Article%20Retro-ingenierie%20ferro.png) **Analysing railway infrastructure quickly, accurately, and efficiently is now a reality. But how?** Through **automated reverse engineering**, track geometry—both horizontal alignment and longitudinal profiles—can be precisely determined. **Why is Reverse Engineering Important?** Railway tracks are not static. **Track geometry shifts over time** due to component wear, train movements, ground instability, and other factors. Additionally, **historically accurate survey data may not always exist**, making it even more critical to obtain precise, up-to-date measurements. For **safe operation, maintenance, and modernisation**—including the implementation of **ERTMS (European Rail Traffic Management System)**—rail operators require **reliable and current track geometry data**. **How is Track Geometry Obtained?** Traditionally, **reverse engineering Track Alignment Reference** has been a **complex and time-consuming** task for railway engineers. It involves **iterative calculations** to determine the mathematical parameters of curves, along with **replotting and redrawing**, often relying on expert intuition and extensive experience. This **manual process**, carried out by skilled engineers, can take **weeks to complete**. To **automate and enhance** this process, **SNCF Réseau, setec railway, and The Cross Product (TCP)** have partnered to develop a **software solution** for analysing **track geometry** using **3D LiDAR data**. **A Significant Advancement** A successful **pilot project** on the **Cannes–Grasse line (~16 km)** demonstrated that this system can generate **track geometry analyses**, including **horizontal alignment and longitudinal profiles, in just 30 minutes**—a process that previously took **weeks**. The results, compatible with **LandXML, Civil 3D, and RailComplete**, highlight the **accuracy and efficiency** of this **cutting-edge approach**. **Transforming Railway Infrastructure Management** By integrating **industry expertise, artificial intelligence, and 3D LiDAR technology**, **The Cross Product’s automated reverse engineering solution** is revolutionising **railway infrastructure management**. It enables: - **Rapid and precise track geometry analysis** - **Enhanced safety and regulatory compliance** - **Optimised maintenance and modernisation planning** This **breakthrough improves railway network efficiency**, ensuring **safer, more reliable, and future-ready infrastructure**. 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