This was a combination of a hydraulic and road construction project:
a)The hydraulic project included: the widening and deepening of the River Kifissos along a 1,660m stretch with covered sections totalling 260m in length, the restructuring of a 115m stretch of the Nikea streambed for the purposes of the road projects and Kifissos estuary structures at the Nikea and Kiklovoros - Pr. Daniil streams.
b)The road project involved the full construction of the 1,660m New Kifissos Motorway along the boundaries of the Municipality of Rentis, side roads and sections of all transverse local roads, as well as the construction of a grade-seperated junction at Ag. Anna.