New Deal" project: for the expressways of the future of Greater Paris

Building a sustainable future for the Greater Paris expressways is the "New Deal" project, which aims to deploy a strategy tomorrow that addresses congestion from the limits of the megalopolis to its centre, reversing the current trend whereby restrictions imposed in the capital spill over to the outskirts. The objective? To offer all those who today have no alternative to car use a new road-based public transport network, serving the territories in depth, complementary and indispensable to the success of the Grand Paris Express. The project aims to reduce road traffic by 50% by 2050 while moving more passengers and freeing up half the surface area of the current expressways.
Ns Metropolitan Forum of Greater Paris in May 2018, the project will be presented to the international consultation organised by the Forum Métropolitain du Grand Paris. New Deal is a group of experts and innovators bringing together Leonard, Seura (David Mangin), Jornet Llop Pastor, Carlo Ratti Associati to discuss the future of motorways and expressways in Greater Paris by 2024 (Olympic Games), 2030 (Grand Paris Express) and 2050. A project with unanimous agreement between the region, department and city, which aims to reduce road traffic in the Ile de France region by 50% by 2050 while displacing more travellers and freeing up half the area of the current expressways.
As Valérie Pécresse, President of the Ile de France region, declared in May 2018, "We must reinvent the road". According to her, it is not the roads themselves that are the problem, "It all depends on what you're rolling in it." It advocated the use of the Ile-de-France motorways, in particular the A1, A4, A6 and A13, for public transport: Autonomous shuttles, bus trains, robot-taxi, car-pooling... Thanks to emergency stop lanes transformed into tracks connected with sensors and wifi, it will be possible to make these means of transport circulate and finally overcome "self-driving": there is currently an average of 1.1 people per car in Ile-de-France. At 1.7, there would be no more traffic jams. (Source : Le Parisien, 25/05/2018)

The conclusions of the project have just been presented on 6 June at the Pavillon de l'Arsenal in Paris which, for the occasion, is presenting a major exhibition on the future of the major roads in the Paris region, based on the work of four teams of architects. The exhibition is open to the public until 13 October 2019.


A new territory to conquer

Urbanisation, employment, leisure and transport demand are centred around the main transport routes of the capital (100,000 residents live along the 35 kilometres of asphalt of the ring road). This leads to traffic and mobility congestion. By focusing on this problem, the New Deal proposes solutions that should lead to new uses of currently congested routes and make it possible to develop intermodality between the transport modes of the future and innovative services. Such as, for example, autonomous vehicles that could travel through our cities in the next few years, thus suggesting transformations of the road and the urban system. The augmented road wants to contribute to make the evolution of driverless vehicles safer and therefore implies new service spaces to house maintenance and recharging functions. The Minister of Ecological and Solidarity Transition in charge of Transport announced last April the launch of a vast "road network". Autonomous Vehicle Experimental Program throughout France, around a consortium SAM (Safety and Acceptability of Autonomous Driving and Mobility), and VINCI Autoroutes.

Thanks to the mobilization of all the means that technology will offer (connected vehicles, driving delegation, Internet of Things), the roads will be able to be used in a more efficient way. New Deal will be able to absorb high traffic volumes, thus reducing the traffic of self-propelled vehicles. Eventually, traffic would be reduced by 50 % in the heart of the megalopolis, and "air pollution will be nothing but a bad memory". At the same time, noise pollution would be halved by the reduction in traffic, with new road technologies doing the rest.
Thus, by 2050, the ring road will become a major metropolitan boulevard, with traffic reduced by half, 50 % of these roads being reserved for greening.
It would become a boulevard to be crossed on foot: from 4 or 5 lanes, it would pass to 3; the abandoned lanes, put back into the ground, would be vegetated on the walls, the central median and the anti-noise walls. By relying on the alternatives that will have been developed by then: Grand Paris Express, extension of the metro lines, bus network, new tramway lines, soft mobility, intermodality, relief of heavy goods vehicle traffic, river and rail transport for logistics, telecommuting, etc., the ring road and its surroundings would thus be freed of all nuisances, opening up a broad urban grid favouring green spaces linking Paris and the neighbouring municipalities, a breathing space where new uses could be developed.


New Deal: a three-step implementation process

Between 2020 and 2024, 200 new express coach lines on motorways will link the outer suburbs to the main RER stations and business parks near the Ile-de-France region, freeing the inhabitants of the outer suburbs working in Paris from the car.
Between 2024 and 2030, a network of reserved lanes and new Hubs". New Deal The "Grand Paris Express" will welcome coaches, express shuttles and shared vehicles on the left lane of the Francilienne, the A86 and the main motorways of Greater Paris, in synergy with the gradual introduction of the Grand Paris Express.
Between 2030 and 2050, new technologies will make it possible to optimise the flow of the 500 kilometres of track". New Deal "on which autonomous collective vehicles will run.
Along the A6 motorway - Carlo Ratti Associati
At the level of the Gustave Roussy Hospital and the future Grand Paris Express station, the recovery of the central lanes makes new uses possible.

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A universal Mobility Pass operated by a single authority will provide access to all transport solutions. The public space regained on part of the urban motorway rights-of-way will be durably transformed into spaces conducive to soft mobility and new uses.
From the ring road to the Grand Boulevard - Seura
By 2050, the ring road will become the Grand Boulevard métropolitain by reducing traffic by 50 %, reserving 50% of the roads for greening, reducing speed to 50 km/h and lowering CO2 by 50%.

A three-fold organization

The " New Deal pour les voies rapides du Grand Paris" claims an international and multidisciplinary approach. The member organisations of the group (Seura Architectes representative) are organised into three divisions:
1/ A "transformations" centre (town planning, landscapes, architecture), led by Seura, architects, town planners, Paris (David Mangin, author in particular of "Paris-Babel, a European megalopolis") and Jornet Llop Pastor, architects, town planners and landscape designers, Barcelona (Carles Llop, coordinator of the work "Metropolitan avenues of the Barcelona region", and co-author with Seura of a consultation on the metropolis of Aix-Marseille).
2/ A "mobility" centre (environment, infrastructures, traffic, economic models), led by Leonard, VINCI's foresight and innovation platform, Paris.
3/ An "innovations" cluster (cities, services, design, technologies), led by Carlo Ratti Associati, design, innovation, foresight (Turin, London, New York).
The team :
Project management : SEURA architects, architects, urban planners (Agent); Jornet Llop Pastor, architects, urban planners, landscape architects; Marina Cervera and Anna Zahonaro, landscape architects; Carlo Ratti Associati, design, innovation, foresight; LEONARD, foresight and innovation platform Vinci; INGEROP, mobility and traffic; C3I, mobility assembler.
Experts : Jean Grébert, mobility systems; Laurent Taupin, innovative mobility; ECOV (Thomas Matagne), shared mobility solutions; TRANSAMO (Guillaume de Tillière), public transport; FUB (Olivier Schneider), promoting cycling in everyday life; Yves Crozet, economist; Michel Savy, economist.
Header photo The sheep are making a comeback on the Paris ring road! ©Filipa Varras

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