Question 32849 — road transport

Summary

Mr. Mohamed Laqhila alerts the Minister of Ecological Transition to the A8 west-A51 north motorway junction project planned in Aix-en-Provence in her constituency. This connecting ramp project is part of the motorway investment plan of January 26, 2017 between Vinci Autoroutes and the State which provides for the completion of 25 operations on the ASF, Cofiroute and Escota networks, notably improving urban and peri-urban thanks to the development of 19 interchanges. The estimated cost of the interchange planned for Aix en Provence (50 million euros excluding taxes, 2016 value) is shared between Vinci Autoroutes (38 million euros), the city of Aix-en-Provence (1.2 million euros), the Departmental Council (6 million euros) and the Aix-Marseille-Provence Métropole (4.8 million euros). The citizen consultations carried out by the MP on the territory, bring out a unanimous criticism of the public consultation in its design established by Vinci Autoroutes alone and its conclusions validated by an order from the prefect of Bouches-du-Rhône of May 25, 2020. The small and non-representative panel of contributions, the failure to take into account environmental issues (nuisance and pollution) in the assessment criteria bias the conclusions to arrive at 68% of favorable opinions which serve security for a totally disproportionate road infrastructure in this sensitive area of ​​Aix-en-Provence. Traffic flows which remain marginal (less than 4,000 vehicles per day) will simply be diverted from one urban district to another urban district. It will increase thrombosis and therefore pollution at the intersection of the A8 and A51 motorways, an area which already experiences rates beyond the limits authorized by current standards, in fact noted by Atmosud. The recent judgment of the Council of State (No. 428409 of July 3, 2020) which orders the Government to implement plans relating to air quality in 13 territorial zones including Aix-Marseille to reduce pollution levels below the limit values ​​set by the European directive of May 21, 2008 is an essential new element to take into account in the examination of this project, which has obviously not been the case until now given the age of the first studies. The increasing daily circulatory thrombosis observed at the crossroads of both two major international transit motorways and all the connecting roads between the major territorial and regional activity areas which intersect in the heart of the dense urban fabric of Aix-en-Provence cannot be resolved by an increase in the number of these routes in situ. He draws his attention to the relevance of this project and its necessary re-examination in the light of current environmental concerns by reviewing the provisions provided for in the 2017 motorway investment plan for the A8 west-A51 north ramp and asks for his opinion on this subject.

Machine translation from French. The official text remains authoritative.

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