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First breakthrough achieved on Mexico’s Vía derecha tunnel

Spanish design consultancy Sener has announced successful breakthrough of the first tunnel boring machine (TBM) on the Vía derecha tunnel for the Mexican transport and communications ministry Secretaría de Comunicaciones y Transportes (SCT).

The twin bore tunnel is part of a new intercity passenger train route between Mexico City and Toluca and achievement of the first construction milestone on the project was marked with a special ceremony.

Sener project manager Jordi Redó said: “On the Vía derecha tunnel we managed to reduce the planned length of 27km to 4.8km through optimisation at the planning stage for both bores.”

According to Sener general manager of infrastructure and transport César Quevedo, the 57.7km long rail project is very technically demanding but will create a much more efficient travel route for Mexico. “The final stretch, which is already under construction, is 57 km, of which almost 50 km are over viaducts of different types,” he said. “Each viaduct will have a solution adapted to its location along the route, allowing the line to cross the Sierra de las Cruces conservation area while guaranteeing total respect for the environment”.

Work on the second bore of the Vía derecha tunnel is expected to be completed this week.


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