French Road Directorate is testing dynamic allocation of lanes on the RN201 with Neovya Hubsim



The french Central East Road Directorate (DIRCE) calls on Neovya Hubsim to simulate a traffic management measure of dynamic lane allocation on the national road RN201 in the north of Chambéry city.

The national road RN201 is facing very different traffic patterns between winter periods and average working days. During winter migrations, motorists in transit towards ski resorts do not use the entrances and exits that lead to the city center. On working days, traffic jams are observed at the exits and overflow onto the current section because of heavy internal traffic in the city.


The Central East Road Directorate is studying the opportunity of dynamic allocation of lanes on the RN201. Objective: to smooth traffic flows and reduce environmental impacts by maximizing the capacity of the existing road infrastructure.

The CE Road Directorate turned to the expertise of the Cerema, to support it in this project. A dynamic simulation solution is required to assess the impact of such an traffic management measure and to support the decision-making process.


The DIRCE called on the expertise of Cerema, the French leading public institute for mobility engineering to support it in this project. A dynamic simulation solution is required to assess the impact of such a traffic management measure and to support the decision-making process. Neovya Hubsim is the platform selected to implement a dynamic simulation model over 2 extended peak periods, 6 a.m. to 11 a.m. and 4 p.m. to 9 p.m. and tested a set of 30 scenarios.

« The cooperation with the Cerema and Neovya is providing great efficiency in the design and operation of the simulation solution. With Neovya Hubsim, we benefit from a very innovative simulation software to inform our decision makers on a complex use case. » - declared Gilbert Nicolle, Head of the Traffic Management Department, Central East Road Directorate.


« Neovya Hubsim is very easy to use and intuitive. Its speed of computing and the variety of analytics indicators give us key elements to better understand how the infrastructure operates today and in the long term. It makes the collaboration between stakeholders easier for the decision making. » - adds Hervé Palin, Director of buildings, infrastructures and urban roads, Chambéry Metropolis.

To find out more about the benefits of using the Neovya Hubsim platform, download the DIRCE success story!
2021_Success_Story_DIR_Chambéry_EN
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