Service contract for technical assistance in the development of the construction project "Expansion of C-31 between PK 351+945 and 356+400, 357+220 and 357+900, and urban integration of C-31 between PK 356+402 and 350+000 and 0+470. Ullà, la Tallada de Empordà and Verges". Code: PC-CPG-26002
Infraestructures de la Generalitat de Catalunya, SAUSpain, ES512