The project comprises the Construction Supervision of the South Section – Pinnaduwa to Godagama (30.25 kms) 4-Lane standards including pavement works in Galle Port Access Road of lengths 5 kms. The project is to widen and complete the construction work of the partially completed South Section of the Southern Expressway from 2-lane standards to 4-lane standards including:
| Length | 30.2 km |
| Width | 4-lane access controlled Highway |
| Design Speed | 100 km/hr |
| Structure | 8 major bridges With Long Span – Design Review and Construction Supervision |
- Construction of the road embankment to 4-lane standards including soft ground treatment of selected sections
- Roadway embankment excavation for widening of the road platform including provision of cut slope protective measures
- Completion of the balance works on 8 major bridges
- Replacement of metal Underpasses and metal Drainage Structures with concrete structures
- Widening of Reinforced Concrete Underpasses from 2-lane standards to 4-lane standards
- Construction / widening of 220 Nos. Pipe Culverts and 22 Nos. Box Culverts including toe walls and toe drains.
- Construction of Asphalt Concrete Pavement
- Provision of Road Furniture, Safety barrier railings and boundary fences
- Construction of Toll Plazas at the Interchanges.
