Improved lighting in the C-17 tunnel in Mollet del Vallès

Improved lighting in the C-17 tunnel in Mollet del Vallès

Renovation and improved energy efficiency in the lighting installations in the C-17 tunnel in Mollet del Vallès, within the Preservation of Barcelona East.

Departament de Territori i Sostenibilitat de Catalunya
March 2015 - April 2016
Type of service:

Sorigue Acsa Conservación de Infraestructuras, S.A. has completed work to adapt the new lighting installations in the Mollet tunnel located between PK 10+826 and PK 11+050 on the C-17 highway in the municipality of Mollet del Vallés. 

This renovation is included under the Plan to Improve the Energy Efficiency of the Roadway Lighting Installations of the Departament de Territori i Sostenibilitat de la Generalitat de Catalunya. 
Works have focused on the upgrading of electrical wiring and conduits and replacement of all lighting inside the tunnel, in order to guarantee optimal quality in electrical service.


The old project, from 1990, used high pressure sodium lights, which have been replaced with 394 LED projectors.
Thus, these works have fully improved roadway safety, improving light and electrical quality, and reducing electricity consumption, resulting in more sustainable infrastructure.


Technical data

Installation of projectors        
- 69 W TLED1/C/B/530 projectors
- 162 W TLED1/C/B660 projectors

Renovation of wiring        
- RZ1 copper wire, 4x6 mm2
- RZ1 copper wire, 4x10 mm2
- RZ1 copper wire, 3x2.5 mm2
- Single-pole copper conductor, 35 mm2

- Installation of metal trays made of galvanized steel plates;
installation of fiberglass-reinforced polyester modular insulated boxes

Temporary signage
- Placement, maintenance, and removal of roadway signage