《公路排水设计规范》(JTG/TD33-2012)作为公路工程行业推荐性标准,自2013年3月1日起施行。根据交通运输部《关于下达2009年度公路工程标准制修订项目计划的通知》要求,对原《公路排水设计规范》(JTJ018-97)进行修订。修订后的规范由九章、三个附录构成,主要内容包括总体要求、路界地表及路面内部排水、路界地下排水 The Code for Design of Highway Drainage (JTG / TD33-2012) is a recommended standard for the highway engineering industry and will come into force on March 1, 2013. According to the requirements of the Ministry of Transport, “Notice on Issuing Plans for Revision of Highway Engineering Standards in 2009”, the original “Code for Design of Highway Drainage” (JTJ018-97) shall be revised. The revised code consists of nine chapters and three appendices. The main contents include general requirements, road surface and surface drainage, road drainage