Officials from the Department of Public Works and Highways (DPWH), in collaboration with representatives from the Asian Development Bank (ADB), Department of Finance (DOF), and Department of Economy, Planning, and Development (DEPDev formerly NEDA), conducted a joint site inspection of the R.T. Lim–Siocon Road on Thursday, May 22, 2025. The project is a major subcomponent under the Improving Growth Corridors for Mindanao Road Sector Project (IGCMRSP) spanning the provinces of Zamboanga Sibugay and Zamboanga del Norte.