The OCH will begin from the Southern Expressway at Kottawa across the five Divisional Secretariat areas of Maharagama, Kaduwela, Biyagama, Mahara and Wattala to Kerawalapitiya, reported Daily News.

It would connect the Colombo-Kandy Expressway at Kadawatha and Colombo-Katunayake Expressway at Kerawalapitiya. The total length of the OCH is 29.1 km.

The project will be completed in three stages. Under the first stage, the stretch of the road will be constructed between Kottawa to Kaduwela under an estimated cost of Rs.27 billion which will be funded by Japan International Corporation Agency. The distance of the stretch of the road is 11km and the Construction is expected to be completed within 42 months, the report added.

A stretch between Kaduwela to Kadawatha will be constructed at a cost of Rs.37 billion under the second phase.

The length of the stretch is 8.9 km which will be completed within three years. The last phase between Kadawatha to Kerawalapitiya will be constructed at a cost of Rs.33 billion. The distance of the stretch is 9.2 km, Daily news report further stated.

This project was initiated to improve the national road network including provincial roads to fulfill another pledge in the Mahinda Chintana policy frame work which will accelerate the socio-economic development in the country.