Declaring Dipolog - Polanco - Pinan - Jct. Oroquieta Road in Zamboanga del Sur as National Secondary Road. Category: Department OrderSub Category: infra-projSeries: 1990No: 249File: DO_249_S1990.pdfDate: Thursday, November 22, 1990Tags: Dipolog Polanco Pinan Jct. Oroquieta Road Zamboanga del Sur National Secondary Road IX infra 249Region: Region IX Read more about Declaring Dipolog - Polanco - Pinan - Jct. Oroquieta Road in Zamboanga del Sur as National Secondary Road.