交通部公路總局民國108年5月31日路養管字第1080052830A號

修正「交通部公路總局受理挖掘公路作業程序手冊」部分規定，自108年6月1日生效；新設未下地人手孔蓋抗滑能力之規定，自108年9月1日生效

DIRECTORATE GENERAL OF HIGHWAYS, MOTC Order is hereby given, for the revision on partial provisions of "Procedure of Handling Road-digging Operations of Directorate General of Highways, MOTC" (revised procedure shall become effective from 1st, June 2019; provision of skid resistance performance for new manhole covers on the ground shall become effective from 1st, September 2019)