梅关隧道位于粤赣两省交界处,是粤赣高速公路粤境段最重要的控制性工程,单洞长2375m,最大埋深310m。按设计速度100km/h的上下行分离式3车道高速公路长隧标准建设,并按粤赣两地各自建设管理右行线的协议组织实施。该隧道于2006年10月21日开工,历时18个月于近期贯通,比预计工期23 Meiguan Tunnel is located at the junction of Guangdong and Jiangxi provinces, Guangdong-Jiangxi Expressway is the most important section of the control project, single-hole length 2375m, the maximum depth of 310m. According to the designed speed of 100km / h up and down the separation of three lanes expressway long tunnel standard construction, and according to Guangdong and Jiangxi their respective construction and management of right-line agreement to organize the implementation. The tunnel started on October 21, 2006 and lasted 18 months in the near future, with a projected duration of 23