Adaptation works to four lanes of the road from km 0+000 al km 11+050 with central traffic island and construction of three interchanges at staggered levels (called “Roselle”, “Batignano” and “Montorsaio”) MAIN WORKS OF ART Two-span “dello sbirro” viaduct
Modernising and securing of the stretch between the town San Colombano and Gualdo in the province of Forlì-Cesena INTERVENTIONS linking SP4 and the local road system of Cemetery service-Valentine by Roundabout intersection with flowerbed and median
INTERVENTIONS Imperia Rete Ferroviaria Italiana S.p.A. Doubling of the railway line is "s. Lorenzo al Mare Andora". Execution of galleries called "Castle" and "Bardellini". Aulla (MS) Consolidation and renovation Gallery "Calcinara" motorway CISA A12della. Perugia Minimetro S.p.A. Urban transport system
