SNA undertook the Preliminary Design, Detail design, and construction monitoring of the Gauteng Freeway Improvement Project (GFIP) for the N1 from Golden Highway to 14th Avenue and Route N12-18 from Diepkloof to Uncle Charlie’s (17.8km + 1.1 km).
This included all freeway upgrades, bridge and retaining wall upgrades, stormwater and drainage, as well as lighting.