The above mentioned portion of the Northern Expressway will connect major commercial cities viz., Gampaha, Veyangoda, Meerigama, Kurunegala, Rideegama, Melsiripura and Galewela and the above mentioned portion of Link Expressway will connect major commercial cities viz., Rambukkana and Galagedara.

On the Northern Expressway portion, interchanges will be constructed at Enderamulla (System Interchange), Gampaha, Veyangoda, Meerigama, Nakalagamuwa, Dambokka, Kurunegala, Rideegama, Melsiripura, Galewela, Pothuhera (System Interchange). On the Link Expressway interchanges will be constructed at Rambukkana and Galagedara. System Interchange provides connectivity only among expressways. The feasibility studies and preliminary designs have been already completed and the proposed expressway corridors for the above mentioned sections have been already identified. Environmental Impact Assessment and land acquisition activities are in progress.