National Road Network Services: Asset Preservation of National Roads: Rehabilitation/Reconstruction of National Roads with Slips, Slope Collapse, and Landslides: Tertiary Roads: Construction of Road Slope Protection Structure-Cervantes-Mankayan-Abatan Rd, K0384+301-K0384+526, K0384+850-K0384+1080, K0385+300-K0385+360, K0385+900-K0386+260, K0390+000-K0390+200, K0390+320-K0390+380, K0390+855-K0390+890, K0391+870-K0391+930, K0392+000-K0392+050, K0392+080-K0392+215
