Detailed design of the functional upgrade to full four lanes of the existing motorway,  section from Milano Sud Junction (Km 4+852) to Lodi Junction (22+306), approximately 18 km.

The works includes the detailed design of the new four lanes motorway, the re-alignment of A50 interchange speed ramps, the Melegnano-Binasco junction, the A58 TEEM interchange, the Lodi junction, the S. Zenone gas station speed ramps,  five bridge extension (new decks and abutments) including the major one above  Lambro river, the extension of n°45 culverts of the secondary hydraulic system, the new road drainage system, the installation of acoustic barriers and safety barriers.