The Pikine / Diamniadio section is the 3rd and longest section of the highway planned between Dakar and Thies. This 20.40km long highway and 3km long crosslink of the National road 1, half designed in urban and half in rural areas, comprised:
- 6 interchange structure
- 2 mainline toll barriers
- 6 toll stations
- 12 restarting communication infrastructures
The drainage and sanitation study fact sheet:
- 82km of surface water catch basin,
- 48 km of hydrolic structure with 34 devoted to restore natural flows in current section
- 30 drainage structures (continuity as riprap or ramp).
- 7 containment system.