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Background

The Southern Transport Development Project, which aimed to catalyze the development of the socioeconomically deprived southern region and improve road safety nationwide, is the largest greenfield road project ever implemented in Sri Lanka. It has been declared a milestone in the country’s development history, and with a total cost of almost $900 million, may well be regarded as a mega project.   In addition to the investment cost, it was also mega because of the challenges involved in planning and implementation. It received a high level of public attention, galvanized by substantial direct and indirect impacts on the community, environment, and budgets. Its expected substantial impact on both the regional economy and that of Sri Lanka is important, and so is the significant capacity building and knowledge impact it created during implementation.

The project, financed by the government and five development partners, had two components, Southern Highway and road safety.  The Southern Highway, originally envisaged to be constructed in stages, was divided into 4 sections for financing purposes.  The Asian Development Bank (ADB) and the Japan Bank for International Cooperation now known as the Japan International Cooperation Agency (JICA) were each to finance 2 sections of the highway, with JICA taking care of the first 2 sections comprising 66.6 kilometers (km) and ADB covering the last 2 sections with a total length of 59.6 km. The road safety component was mainly to implement the road safety Action Plan II, developed under the previous ADB-funded Third Road Improvement Project in Sri Lanka.

To finance its original part in the project, ADB approved a loan of $90 million equivalent in November 1999.  The stage construction approach planned at appraisal designated ADB’s sections to be constructed under stage 1 to a two-lane standard but upgraded in 2010 to a four-lane standard.  The contract for the ADB-financed civil works was awarded in January 2003. However, in 2007, the government decided to upgrade the two-lane highway to a four-lane expressway to meet the greater-than-anticipated traffic growth in the southern and western provinces in 2000−2005.  At the time, earthworks, road structures, and around 10 km of road pavement works had already been completed in 1 of the 2 sections funded by ADB.  The balance of works in that section were excluded from the ADB finance, with the Export and Import Bank of China (CEXIM) subsequently financing that whole section. 

ADB approved a supplementary loan of another $90 million in March 2008 to complete the other road section it committed to finance as four lanes. The civil works contract was restructured accordingly.  The ADB- and JICA-funded expressway sections were substantially completed by November 2011 and opened to traffic on 26 November 2011, while the CEXIM-financed section was opened on 15 March 2014.

For component 2, ADB financed civil works for reducing safety hazards at specific locations in national highways as a pilot model on how to prioritize black spot location and the management of technical and other aspects of black spots. Black spot improvements in 20 areas in several ADB-financed roads in Sri Lanka were completed by April 2007.

All the expected project outputs were delivered. Increase in scope due to the upgrading of the road design to a high capacity expressway and the addition of road safety equipment and control vehicles required to operate the expressway, as well as other factors such as cost overruns under the original loan component, price increases, and substantial amounts of contractor claims, led to substantial increases in the total project costs  from an estimated $295.9 million equivalent at appraisal in 1999 to $906.5 million at project completion in 2014.  Similarly, it took 13 years to complete the project compared to the originally expected implementation period of 6 years.

Successful project completion and subsequent operation of the Southern Expressway increased the economic opportunities for the people in the southern region. Travel time between Colombo and Matara had been reduced to 1.5 hours as of March 2014.  The accident rate on the Galle Road decreased from 25 per 1 million vehicles in 2010 to 21 per 1 million vehicles in 2011, and further to 16 per 1 million vehicles in 2012.  Two new industrial estates, 1 port, and 1 international airport had been built in the southern region after the project started.  The social and economic investments made under the project have been private sector investment to the region.

The project had two initial executing agencies: the Road Development Authority (RDA) for the construction of the Southern Expressway and the Ministry of Transport for the road safety component.  However, after the approval of the ADB and JICA supplementary loans, the Ministry of Highways and Road Development became the executing agency for the civil works with the RDA assuming the role of implementing agency.

Project Information
Project Name: 
Southern Transport Development Project
Report Date: 
August, 2014
Main Sector: 
Country: 
Project Number: 
Report Type: 
Project/Modality: 
Project loan
SDG: 
Goal 9: Industry, Innovation, and Infrastructure
Goal 8: Decent Work and Economic Growth
Loan Number: 
1711, 2413
Source of Funding: 
COL/ADF
Date Approved: 
L1711: 25 November 1999, L2413: 6 March 2008
Report Rating: 
Successful

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