锁蒙高速起自弥勒县的锁龙寺,止于蒙自市的小东山,全长78.759km,设计时速为100km/h,双向四车道,路基宽26m,项目概算41.69亿元,全线共设收费站4处,服务区1处,停车区2处,南盘江大桥为云南省第一座矮塔斜拉桥。锁蒙高速是国道主干线(GZ40)二连浩特~昆明~河口公路、国家重点公路汕尾~清水河公路云南省境内的重合路段,是国家高速公路规划网(“7918”网)中横1 8广州至昆明段的联络线开远至河口公路在云南省的重要路段,同时也是云南省 Starting from the Temple of the Dragon in Maitreya, the lock is located at the small Dongshan in the city of Mengzi. It has a total length of 78.759km, a design speed of 100km / h, two-way four-lane roadbed 26m wide and a project budget of 4.169 billion yuan, Toll station 4, a service area, parking area 2, Nanpanjiang River Bridge in Yunnan Province for the first dwarf cable-stayed bridge. It is a key part of the national highway network (GZ40) Erenhot ~ Kunming ~ Estuary Highway and the national key highway Shanwei ~ Qingshuihe Highway in Yunnan Province. It is a part of the National Highway Planning Network (“7918 ”) Kunming, Guangzhou section of the contact line as far as the estuary highway in Yunnan Province, an important section, but also in Yunnan Province