Happy Friday everyone!
I have some significant developments to report regarding the extension project of the Paris subway Line 11 from Mairie de Lillias to Rosny – Bois-Perrier.
Around February , the STIF released its findings on the various studies that took place during the past several years. The report is divided into two parts: The first part describes the initial planning and consultation phase, as well as the various environmental, geographic, and population impact studies that were conducted. In addition, the first part also discusses the selection of the final route for the extension, as there were originally 3 alignments offered. The second part goes in depth as to station locations, station design, decision on the type of rolling stock to be used, and many other operational elements of the extension. Both documents are in PDF format and are written in French. Unfortunately, Google Translate will not be able to decipher the entire document due to its length, so I had to translate piece by piece some of the following highlights:
- The project will be constructed in a single swoop, instead of being broken up into two phases (which was originally planned). The 2nd document notates that the extension has been eagerly awaited.
- The final routing of the extension has been confirmed in the 1st part, with placement and design of the new stations being discussed in the 2nd part. One station will be nestled upon a brief elevated section.
- Some of the existing stations will be modified. Some stations will get additional access points, and accessibility upgrades (like elevators).
- Workshop and garage facilities will be relocated to Rosny, as current facilities cannot accommodate next-generation rolling stock, let alone anything beyond 4 cars. The plan is to be able to accommodate rolling stock with 5 cars, with articulation present.
- Automation of the line is not likely in the near-term due to costs and operational issues. However, the STIF does not rule out automation as a longer-term project.
- Although the STIF favored conversion from rubber-tyred operation to steel-wheel operation early on, it appears that retaining rubber-tyred operation is less of a burden on the project and thus, if finalized, the next generation of rubber-tyred rolling stock being planned for Line 14 will be used on the newly extended Line 11. This would be achieved by two subclasses of this rolling stock (similar to that of the MP 89), where a fully automated version of 8 cars will be used on Line 14, upon completion of both of its planned extensions, and a manually driven 5 car variant for Lines 6 and 11.
- 41 trains of 5 cars each will be required to run the Line 11 after the extension opens, to maintain headways of 1 minute, 45 seconds, during rush hours.
In the coming months, a formal public inquiry process will be launched to give the public a chance to provide their input into the final routing and configuration of the line. I believe that there are also further studies to be done on the rolling stock, since the stock is still in the developmental phase (we don’t even have a numerical year associated to this stock yet…it is simply known for now as MP NG, meaning Material Pneumatic Next Generation).
If everything goes to plan, the Line 11 extension is expected to open some time in 2019.