Comprehensive improvement of Highway B-475 “Ruta Minera” in the II Region of Antofagasta, in the section between La Negra and Mina Escondida (Chile)

• Length: 137 km (2 lanes of 3.5 m in each direction with hard shoulders of 3.5 m on both sides)
• Control station that centralizes all the operator’s operational information
• Toll station for the collection of fees
• Weigh station (2,400 heavy trucks per day)