Arc Express was a project to build new rapid transit lines in île-de-France, France. It was designed to satisfy the need for increased travel among the suburbs of Paris and to relieve the saturation of a number of radial lines, such as Métro Line 13 and RER Line A. Previous proposals for an orbital metro line, dating back to the early 1980s, never came to fruition.
The projected schedule included the following steps over approximately ten years:
- December 2007: concept validation;
- 2008 - 2009: preliminary studies;
- Spring 2009: consultation with local officials;
- July 2009: Referral to the National Commission on Public Debate (CNDP);
- September 30, 2010 to January 31, 2011: public debate;
- Early 2011: Decision on the implementation of the project;
- Spring 2011: route plan;
- 2011: Public inquiry;
- 2012: Draft;
- 2012-2019: Construction;
- 2019: Public opening of the southern arc.
In November 2006, the Île-de-France region submitted a draft master plan of the Île-de-France (SDRIF) that took into account the interests of the politicians and the population for an orbital metro ring through the inner suburbs.
From 2006 to 2008, initial studies on the project identified a zone of territory in which the Arc Express could be built. The proposed SDRIF, adopted by the Regional Council on September 25, 2008, proposed to study the construction of four arcs:
- a link between southeastern Val de Fontenay and Noisy-le-Grand and Arcueil or Bourg-la-Reine, for commissioning in 2020 (phase 2 of SDRIF);
- a north-west link between Defense and Saint-Denis, for commissioning in 2020 (phase 2 of SDRIF);
- a link between northeastern Val de Fontenay and Noisy-le-Grand and Saint-Denis, opening in the 2025-2030 timeframe (phase 3 SDRIF);
- a link between southwestern Arcueil or Bourg-la-Reine and Défense through St. Cloud and Suresnes or Rueil-Malmaison, opening in the 2025-2030 timeframe (phase 3 SDRIF).
Rainbow Express was included in the proposed 2007-2013 CPER, finalized on March 23, 2007 by the regional chair and the regional prefect.
On 5 December 2007, the project was officially launched by Jean-Paul Huchon, the president of the Île-de-France region and Pierre Mutz, the prefect of the region, through the launching of studies funded by the state and region for €4 million. These studies focused particularly focused on the two priority arcs:
- the arc south between Issy-les-Moulineaux and Noisy-le-Grand or Val de Fontenay;
- the arc between North and Pantin and Bobigny Defense.
However, Christian Blanc, Secretary of State for the Capital Region, has expressed his opposition, casting doubt on the financing to be provided by the state. On April 29, 2009, French President Nicolas Sarkozy proposed a metro network including 130 km of automated lines. An attempt to reconcile these two proposals is underway.
On 8 July 2009, the STIF council unanimously approved the "record of objectives and main features" of the Project Arc Express. This vote starts the phase of public debate and consultation, through a referral to the National Commission on Public Debate (CNDP). The traffic studies conducted by STIF predict daily traffic for the whole Arc Express of about one million passengers. The costs of the line, including rolling stock necessary for commissioning and interconnection with existing stations is estimated to be between:
- €2.8 billion and €3.1 billion (2008 costs) for the southern arc (26 to 29 km);
- €2.0 billion and €2.3 billion (2008 costs) for the northern arc (18 to 21 km).
In September 2009, the CNDP reviewed the STIF referral of 9 July 2009 to determine whether or not to organise a public debate. The CNDP will organize a "special public debate commission" in charge of the consultation. Following public consultation, the plots will be known and the project can be declared of public interest before a possible start of construction. Given the time required for each procedure, the first sections of the Arc Express could open in 2017.
The precise route of the project was not determined but was to depend on the results of studies as well as the public debate.
The September 2008 draft presents the general location of the route and provides the terminals for each of the four arcs. However, for a better return on infrastructure and to increase the modal shift from private cars to public transport, arcs originally envisaged (limited by the RER A and B) could be extended. Thus, for example, the arc southeast could be extended westward to Issy-les-Moulineaux and the north-west arc east to Le Bourget. In addition, the current support of a large part of the political class, the "Grenelle laws", and the deterioration of transport on certain routes metro or RER, led financiers of the project to consider completing the orbital in one phase (2020) rather than prioritizing two arcs before the other two.
In March 2010, the STIF published a document to keep the public informed of the project. This paper highlights plots that may be more or less accurate depending on the area concerned. The two gray areas are between La Defense and Issy-les-Moulineaux on the one hand, and between Pantin / Bobigny and Fontenay-sous-Bois / Noisy-le-Grand on the other hand. The operating mode of the orbital is not yet fixed, and it is not known whether it will be a full ring operated in its continuity or several overlapping arcs operated independently. In either case, the public debate took place from September 30, 2010 to January 31, 2011, work is to begin in 2013, and commissioning of the first arc is projected in 2019 and the second arc in 2025.
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Given the density of urban areas to be crossed by the Arc Express, most of the track must be underground. For a total length of about 60 km, the project is estimated at €6 billion (based on about €100 million/km), plus the cost of stations, additional facilities, and land acquisition. The project could cost a total of €8 billion to €10 billion.
Those are exceptionally high amounts compared to budgets traditionally allocated to the construction of new transport infrastructure. Also, the state and the region, the major funders of the project, are seeking new methods of financing, perhaps through the participation of public management (including Seine-Arche and La Défense) or via a public-private partnership. Departments, municipalities, and public institutions of intercommunal cooperation (EPCI) may also be sought.
- 20 Minutes : Feu vert pour le projet de rocade ferrée
- Site officiel d'Arc Express
- Communiqué des décisions de la CNDP du 2 juin 2010, § II - Débats décidés - Point 4 Projet Arc Express, p.3
- "La durée des travaux (y compris déviation des réseaux concessionnaires) pour l’arc proche,serait donc de 6 ans, suivis de 6 mois d’essais et marche à blanc pour une mise en service 6 ans et demi après le début des travaux" (dossier des études STIF - Arc Express) http://www.debatpublic-arcexpress.org/docs/etudes/etudes-insertion-traces-setec-ingerop-xelis/3-arc-sud/3-0_memoire-specifique/memoire-arc-sud.pdf[permanent dead link]
- Le Parisien - Christian Blanc tire à vue sur les projets SNCF et RATP, article du 26 septembre 2008
- Arc Express : le projet de rocade autour de Paris, France3.fr[permanent dead link]
- "SITF - Communiqué de presse du 8 juillet 2009 - Arc Express" (PDF). Archived July 26, 2011, at the Wayback Machine. (636 KB)
- CNDP - Saisines examinées Archived July 27, 2011, at the Wayback Machine.
- "COMMUNIQUE DES DECISIONS DE LA CNDP DU 2 SEPTEMBRE 2009" (PDF).[permanent dead link] (145 KB)
- "STIF - Arc Express : la lettre" (PDF). Archived July 26, 2011, at the Wayback Machine. (3.41 MB), septembre 2009
- CNDP - Commission particulière du débat public
- "Carte officielle des tracés et correspondances proposés par la région pour Arc Express" (PDF). Archived August 13, 2011, at the Wayback Machine. (219 KB)
- "Fil d'info Arc Express, numéro 1, mars 2010" (PDF). (2.34 MB)