Jean-Marc Jancovici, a renowned expert in the fields of energy and the environment, does not hesitate to criticize the Montpellier western bypass project. According to him, the financial estimates based on this project are deeply flawed, with outdated and inappropriate analytical bases. By highlighting the limitations of these calculations, he provokes debates on public decision-making regarding transport infrastructure.Economic estimates dating back several decades

The Montpellier western bypass project is based on perspectives that are several decades old. As Jean-Marc Jancovici points out, these projects, which were conceived more than 30 years ago, are based on economic reasoning that could be considered obsolete. The analyses assume that saving travel time promotes economic production, but he denounces this assumption as simplistic and ill-adapted to current realities. Increased Capacity and the Reality of Traffic Induction

Jean-Marc Jancovici warns against the logic that adding transport infrastructure would lead to better use of time. On the contrary, he explains that this approach will essentially increase travel distances, a phenomenon he calls traffic induction. Increasing infrastructure capacity without energy constraints paves the way for an intensification of traffic flows, thus increasing polluting emissions.

Inadequate Emission Calculation Basis

The energy specialist does not hesitate to criticize the way emissions calculations were carried out for this project. According to him, the results obtained are truncated due to the use of inappropriate calculation bases. He emphasizes that it is crucial that any public discussion on such infrastructure provides all the necessary information so that the public can make an informed judgment.Jean-Marc Jancovici for open and democratic decision-makingJean-Marc Jancovici advocates for discussions surrounding projects of this magnitude to be transparent and democratic. He asserts that if the community decides to proceed with a project, it must do so with full knowledge of the facts. He prefers a well-informed collective decision, even if he personally disagrees with it, rather than one based on biased information. A necessary debate on environmental prioritiesJancovici’s criticism goes beyond the purely technical or economic aspects of the bypass project. It raises the question of our environmental priorities and how they should be integrated into the decision-making process. With growing awareness of climate issues, it emphasizes the need to pay greater attention to environmental impact calculations and the management of certain natural resources, particularly in light of CO2 emissions.

Reaction from the Prefect of Hérault