Declaring Rafael Castillo Street and Junction Davao-Cotabato Road-Bolton-Junction Quezon Boulevard both in Davao City as National Secondary Roads. Category: Department OrderSub Category: infra-projSeries: 1977No: 118File: DO_118_S1977.pdfDate: Wednesday, October 12, 1977Tags: Rafael Castillo Davao Cotabato Bolton Quezon Boulevard Davao City National Secondary Roads infra 118 Read more about Declaring Rafael Castillo Street and Junction Davao-Cotabato Road-Bolton-Junction Quezon Boulevard both in Davao City as National Secondary Roads.