Rutas del Loa Concession in Calama

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Located in the Atacama desert, the works consist of the construction of second carriageways, the replacement and restoration of pavement and crossings, and connections through, under and over passes. The Rutas del Loa’s works include upgrading and double-lane widening a 111-kilometer segment in Calama and the construction of a 25-kilometer bypass road of this town, linking several roads. The works to be performed include notably building a 345-meter viaduct over the River Loa. One of the main challenges posed by the project is to minimize the impact on transport routes and utilities that run alongside the road. They include railway, water mains and gas pipelines, as well as telecommunications and electricity lines. 

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