Three Valleys Umbrian itinerary
country
Italy
location
Section S.S. 3 Flaminia – S.G.C. E45 (Spoleto - Acquasparta)
client
Regione Umbria, Anas S.p.A.
cost of works
€ 396,9 Millions
scope of works
Preliminary and Final and Detailed design


Overview
The Three Valleys Umbrian itinerary is a very important road route in central Italy which, once completed, will make a quick and easy connection between the valleys of the Nera, Chiascio and Tiber rivers with a route mainly in tunnels and viaducts.
The final project concerns the Spoleto Aquasparta stretch for an extension of about 21 km, which will put the S.S. 3 “Flaminia” and the E45 high-speed road, two strategic axes of Italian mobility, in direct communication.
Sintagma’s activities concerned the Preliminary and Final and Detailed design that included:
- Topographic surveys and geognostic surveys;
- Environmental, Geotechnical, Hydrological and Hydraulic study;
- Preliminary and Final design of 20,85 Km of new road with dual 2-lane carriageways (cat.B);
- Detailed design of 6 km of new road, sigle Line (Cat. C1);
- 8 multi-level intersections;
- 1 bridge and 9 viaducts with total length of over 3,4 km;
- 4 tunnels for a total extension of 6,07 km;
- Works organization program, utilities and land expropriation;
- Technical specifications and contract documents.