RD UPGRADING (UNPAVED TO PAVED) BASED ON GRAVEL RD STRATEGIES, TRAFFIC BENCHMARK FOR UPGRADING TO PAVED RD STDS (HDM-4 PROJ ANALYSIS) APAYAO-ILOCOS NORTE ROAD, K0611+186 - K0614+476, K0615+485 - K0616+000
Cordillera Administrative Region
Cordillera Administrative Region
A.M. ORETA & CO., INC. (108)