![Calle30_Madrid_6 Calle30_Madrid_6](https://www.imesapi.com/wp-content/uploads/2016/04/Calle30_Madrid_6.jpg)
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Description of the Project
Contract for the maintenance and operation of ‘Calle 30’, Madrid’s ring road.
With more than 200,000 vehicles a day, 56 km of tunnels, 6 completely underground grade-separated interchanges, 17 surface grade-separated interchanges, 1,000 CCTV cameras, 200 emergency exits, 100 km of fibre optic, 70,000 lights, the largest complex of tunnels in Spain and one of the largest in the world.