N2 / Modderdam Road Intersection

Projects: Road, Rail and Airport Engineering

Modderdam Road Reconstruction Western Cape South Africa:

The project comprised the construction of a new interchange on the N2 urban freeway and the reconstruction of the existing Modderdam road to dual carriageway urban arterial standards with major at-grade intersections. The work was done using different specifications imposed by the different local authorities through whose jurisdiction the road traversed. Some of the more notable features of the project were :

Stormwater management and the design of attenuation ponds
Accommodation of high morning and evening peak traffic in the road corridor
Public transport lanes for buses and taxis on both carriageways
Bridge construction over an existing dual carriageway freeway
Extensive sub-surface drainage systems to protect the pavement layers
Linked traffic signals at the various at grade intersections to ease traffic flows
Extensive landscaping to the upgraded road corridor

HHO Africa were responsible for the following consulting services:

Preliminary design report
Economic analysis of alternatives
Geotechnical and construction materials investigations
Final geometric design with intersections
Pavement Design
Bridge design
Traffic engineering and signal design
Landscaping to road corridor (in conjunction with Landscape Architects)
Contract documentation and tender evaluation
Construction monitoring and administration

For further information or queries please contact roger@hho.co.za


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Road, Rail and Airport Engineering Projects:
Borcherds Quarry Road
Freeway and Rural Highway Service Areas
Light Rail Transit
Modderdam Road
Road Management Systems
Ysterplaat Air Force Base
Sir Lowry's Pass Viaduct
The Completed Road at the de la Rey Avenue IntersectionThe Completed Road at the de la Rey Avenue Intersection

The Completed Road at the de la Rey Avenue Intersection
Stellenbosch Arterial Intersection

Stellenbosch Arterial Intersection