Year 1999
Impresa Betti S.p.A. Via Porta Sant'Angelo, 27 - TERNI A.N.A.S. Contract Umbria Compartment
STRUCTURAL DETAILED DESIGN COMPLETION WORKS FORCA DI CERRO TUNNEL - JUNCTIONS S.S. no. 3 FLAMINIA AND S.S. no. 209 VALNERINA - JUNCTIONS S.S. no. 3 FLAMINIA AND S.S. no. 209 VALNERINA - JUNCTIONS S.S. no. 3 FLAMINIA AND S.S. no. 209 VALNERINA
