Northern Concession in a highway profile, with a 2x2 platform, and a total extension of 175km on the A7 and A11 highways, establishing the connection between the coastal and inland regions of the country, from the Oporto metropolitan area to Trás-os-Montes. Preliminary Study in the total extension of 49km, including 9 nodes. Detailed design in 29km, including 6 nodes. The project includes the construction of 6 service stations. Project developed in a PPP financing model for design, construction, financial and operation.