The redevelopment of Place Léon Blum, in Issy-les-Moulineaux, is part of a global effort to transform public space and strengthen accessibility to station hub (M15 — RER C) And at Tramway T2.
In this context, theEPT Grand Paris Seine Ouest confided to Explain carrying out an in-depth traffic study to assess the consequences of the project to extend the Line 39, including a U-turn maneuver on Place Léon Blum.
The methodological approach was based on three components:
The results made it possible to compare the insertion scenarios of line 39 and to identify the most efficient solution in terms of fluidity of traffic, security and Priority given to public transport.
The study aimed to securing the feasibility of inserting line 39 on Place Léon Blum, in a context of high stakes, Multimodal.Explain's mission was to measuring the impacts of traffic changes on the various users, to anticipate traffic reports, and to provide reliable technical elements for decision-making. The central challenge was to ensure a fluid cohabitation between car traffic, public transport and active modes, while maintaining the accessibility of the neighborhood.
The study made it possible to precisely quantifying the impacts of the Line 39 extension project, by integrating the dynamics of real and future flows. Thanks to dynamic modeling, Grand Paris Seine Ouest now has a decision support tool that makes it possible to arbitrate between several layout variants.EXPLAIN has provided a clear and reasoned reading of traffic conditions, facilitating consultation between project owners, transport operators and urban designers.
The Léon Blum Square study is a concrete example of how a detailed analysis of flows can guide the design of public spaces that are more efficient, better shared and oriented towards sustainable mobility.
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