The xichang - panzhihua express way is important part ( form lanzhou in gansu province to port of mohan in yunnan province ) , which is one of eight of west big trunks projects by the ministry of communications , and it is also artery of road network in sichuang province and main pathway from shichuang province to yunan province 西昌(黄联关)至攀枝花高速公路是交通部规划的八条西部大通道之一的甘肃兰州至云南磨憨口岸公路的重要组成部分,是四川省规划的贯通南北重要经济干线和高速公路网的主体干线之一,也是四川通往云南省际间的主要通道。