The northern section of L11 is now final

The Community of Madrid has definitively approved the informative study of the northern section of Metro Line 11, so there is now the green light to continue with one of the most ambitious expansions of the network. The idea is that the new route will have six stations that connect Mar de Cristal with Valdebebas Norte, passing through points such as the Ifema fairgrounds, the Isabel Zendal Nursing Hospital and terminal 4 of the Adolfo Suárez Madrid-Barajas airport. We’ll tell you how everything turns out. Why it is important. Line 11 is the least used of the entire Metro network, so the Administration decided to give it a chance by taking advantage of it to expand it to more areas. The intention with this line is to turn it into a main artery that crosses Madrid from southwest to northeast, connecting areas with high demand for public transport and facilitating access to key venues and infrastructure such as the airport. The project figures. According to account Europa Press, the base tender budget amounts to 599.3 million euros, not including VAT, and with a favorable environmental impact report. The intention is for work to begin in 2027 and continue for about three years and three months continuously. The section will include an 8.2 kilometer tunnel and connecting branches with Line 8 in Mar de Cristal, as well as with the future Barajas depots. The six stops. Of the four alternatives that have been studied, the Community has selected the option which includes the following stations: Mar de Cristal, with connection to lines 4 and 8 under Arequipa Street. Ifema-Cárcavas, next to the expansion of the fairgrounds and close to the future Formula 1 circuit. Valdebebas/Ciudad de la Justicia Interchange, which will function as an intermodal node between Cercanías, buses and Metro. Isabel Zendal Nurse Hospital, 150 meters from the health center. Terminal 4 of the airport, with connection to Line 8 and close to the future High Speed ​​station. Valdebebas Norte, located next to the planned Valdebebas Shopping shopping center. Room to grow. The design maintains the possibility of build two additional stations in the future: one in the Cristalia area and another in Valdebebas, intended to serve the northeastern area of ​​the neighborhood. The idea is to give the possibility of expanding the line as these areas develop at an urban level little by little. How it will be excavated. Most of the tunnel It will be built using a tunnel boring machinedividing the work into two main sections. The first will advance from an attack well on Fernando Higueras Street towards Mar de Cristal, while the second will start from Secundino Zuazo Avenue. But not everything will go to a tunnel boring machine, since in some areas there will be no choice but to continue with pick and shovel to touch some urban elements as little as possible and reduce noise pollution during the construction phase. Why the Line 11. Currently, it is the least used line on the network, with only seven stations that run through part of Carabanchel and Leganés. According to data of Metro de Madrid, its demand represents only 1.08% of the total network, well below Line 6, which is close to 25%. This extension is part of a broader plan that aims to transform L11 into a large diagonal of 33.5 kilometers that connects Cuatro Vientos with Valdebebas. Status of the other sections. While this project progresses, the central section between Plaza Elíptica and Conde de Casal already exceeds 50% executionwith five stations planned and an investment close to 500 million euros. It is the opposite of the section between Conde de Casal and Hortaleza, with up to 14 stations planned, and which remains paralyzed waiting for the subsections of the line to be finally defined. Additionally, in the south, the 2.2 kilometer connection between La Fortuna and Cuatro Vientos is pending. Neighborhood inequality. Like any work carried out in Madrid, there are contrasts and all kinds of opinions. According to collect elDiario, the distribution of the stations has generated some debate. While Valdebebas, with around 30,000 inhabitants, will receive several stops and is even contemplating expanding its coverage, neighborhoods like Las Águilas, with around 50,000 residents, have been left out of the southern route, causing neighborhood protests over inequality in access to public transport. And now what. With the final approval of the informative study, the next step will be the bidding for the works, scheduled for the coming months. If the established deadlines are met, work would start in 2027 and the new connection could be operational around 2030. Cover image | Community of Madrid In Xataka | The great dream of Tres Cantos and Colmenar Viejo literally passes over El Pardo: “close” the M-50

The enormous Mayrit tunnel boring machine on Metro L11 is already in Madrid. Now comes the real challenge: putting it together piece by piece

In Madrid there are already the pieces of one of the largest machines that will work in the city’s underground in the coming years. It is about Mayritthe EPB tunnel boring machine 98 meters long and 1,500 tons in weight whose transport started in Germany, continued along the Rhine to Rotterdam and continued by boat to the port of Santander. After that journey, a special convoy has completed more than 450 kilometers by road to take its modules to the future Comillas station, where it will prepare to excavate the new section of Line 11 between Plaza Elíptica and Conde de Casal. The work on which Mayrit will work is part of a broader intervention that the Community of Madrid describes in 2025 as the largest expansion of the Metro network in the last decade. Official data published in November put progress at 34% and maintain a budget of 518 million euros to complete the new section and the planned stations. The regional government maintains the year 2027 as a reference to close this phase of the project. Mayrit is already in Madrid: one hour left to convert its parts into a single operational machine When dealing with a machine of this size and complexity, each phase of the process requires precision that goes far beyond conventional engineering. Mayrit’s journey towards Spain began long before it appeared on the road: it started in Schwanau, the German town where Herrenknecht completed its manufacturing after about 20 months of work. There, more than a thousand kilometers from Madrid, the tunnel boring machine It was assembled for the first time in June 2025 to carry out initial verifications. This assembly showed the magnitude of the next step: converting the machine into a set of parts capable of traveling around Europe without risks. Disassembling it was not a quick procedure. For the next two months, Herrenknecht teams dedicated themselves to separating each module following a sequence calculated to the millimeter. The result was a set of sections ready to begin an international tour. The disembarkation in the port of Santander marked the beginning of the last stage of Mayrit’s journey, a phase that requires coordination very different from that of river and maritime transport. The pieces arrived distributed in separate shipments and were transferred to prepared platforms, a process that is carried out with specialized equipment to avoid any unexpected displacement. The organization of the road transfer incorporated common protocols in special transport, with large-tonnage vehicles escorted by technical teams in charge of checking clearances, turning radii and urban accesses. The authorities confirmed that the advance was carried out mainly at night to reduce interruptions and facilitate maneuvers in the most delicate sections of the route. The arrival in the Comillas area required a final deployment of personnel and machinery to accommodate each piece in the work area, where the assembly phase that will transform this set of modules into a single operational tunnel boring machine is already awaiting. The arrival of the pieces also marks the beginning of a phase that, according to forecasts distributed between June and November 2025, can extend until March 2026. Assembling a TBM requires joining modules in a strict order, connecting hydraulic and electrical systems, and performing tests that are concentrated between late January and February. It is a sequential process that is not resolved in a few days and that determines the date on which the machine will be able to start digging at the beginning of March. The official documentation describes Mayrit as an EPB machine adapted to the geotechnical characteristics of the layout. Its operation is based on maintaining a balance of pressures that prevents unwanted movements on the surface, especially relevant in urban environments. To sustain this process, shifts of specialists are involved who manage the control and evacuation systems of the excavated material. The expected performanceclose to 15 meters per day, will be decisive in setting the pace of mechanized advance. Comillas will be the point from which Mayrit will begin the mechanized sectionaccording to the forecasts that the Community of Madrid has been detailing since June 2025. From there it will advance to Conde de Casalwhile in parallel the manual excavation of about 700 meters towards Plaza Elíptica progresses, started in September with a performance of close to 50 meters per month. The beginning of the excavation will mark the jump between the preparatory work and the actual progress of the tunnel that will transform this section of Line 11. With each meter excavated, the planned layout will get closer to its final shape and will allow the progress of the project to be measured more clearly. It is a significant element within regional planning to reinforce mobility in one of the areas with the most demand on the network. Images | Community of Madrid In Xataka | Malaga has become a magnet for the most luxurious yachts in the world: the latest, that of the co-founder of Google

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