高等级公路通过乡镇大多采取绕越的办法,而二级公路和低等级公路通过乡镇,其防排水困难较大。本文介绍了鹤大公路穿越湾沟镇段的防排水设计与施工情况。 High-grade highways through the towns and mostly adopted around the way, while the second-class highways and low-grade roads through townships, the larger the difficulties of drainage. This paper introduces the design and construction of the drainage and drainage of Crane Highway across Canggou Town.