Policy on Diggings/Excavations by Private and Public Utilities on National Roads. Category: Department OrderSub Category: infra-projSeries: 2011No: 26File: DO_026_S2011.pdfDate: Tuesday, May 3, 2011Tags: Policy Diggings Excavations permit Private Public Utilities National Roads 026 Read more about Policy on Diggings/Excavations by Private and Public Utilities on National Roads.