Project name: Gauteng Freeway Improvement Project: (N3 section 12)
Client name: South African National Road Agency (SANRAL)
Location: Gauteng, South Africa
Project value: R2 billion
Project description 
The project entailed the upgrade of 15 km of freeway (up to six lanes in each direction), construction of a new bridge and bridge widening structures and improvements to the interchanges. This section of road is one of the highest trafficked freeway sections in South Africa requiring innovative traffic, geometric and bridge design solutions.
GIBB responsibilities 
Bridge design, geometric design, traffic engineering, geotechnical investigations and freeway lighting.



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