Excellence in Road Infrastructure Development
The Road Development Authority (RDA), incorporated as a statutory body under the Ministry of Highways by the RDA Act No.73 of 1981, became successor to the Department of Highways in 1986. Since then, the RDA has become responsible for the maintenance and upgrading of the National Highway Network. Road Development Authority is one of the institutions under the Ministry of Highways which is the apex organization in Sri Lanka for the highways sector. The National Road Network consists of 12,262.839 km of trunk (A class) and main (B class) roads and 312.586 km of expressways, and about 4,322 bridges as of the end of 2024. Road Development Authority is responsible for the maintenance and development of the National Road Network and planning, design, and construction of new highways, bridges, and expressways to augment the existing road network.
“As the premier national organization of the road sector, to provide an adequate and efficient network of national highways, to ensure mobility and accessibility at an acceptable level of safety and comfort, in a sustainable and climate resilient manner, for the movement of people and goods paving way for the socio- economic development of the nation.”
“Empowering Connectivity, Driving Prosperity Sustainably: A Future-Ready Sri Lanka Connected by World-Class Roads.”
Planning and execution of new road construction projects
Regular maintenance and repair of existing road networks
Construction and rehabilitation of bridges
Regular inspections to ensure safety standards
The RDA Southern Province operates across six administrative divisions:
