PDRG Meeting – JRPUG – PDRG Meeting JRPUG 2021 (will be held on October 21-22, 2021) Holding Guide Update, September 6. PDRG Meeting JRPUG 2020 (has been cancelled.) Holding Guide RPUG-PDRG 1st Joint Meeting (on April 19, 2019.) Holding Guide Speaker’s Presentation 講習会 2021年度「道路舗装の点検および診断」に関する講習会
