Total planned length: 3,724 kilometers Starting point: Beijing End point: Lhasa, Xizang Autonomous Region.
It passes through the provincial capital cities: Beijing, Hebei, Inner Mongolia, Ningxia, Gansu, Qinghai and Tibet, with a total length of about 3,724 kilometers.
Passing through the high-speed service area
(1) Within Beijing: Baige Service Area
(2) Hebei: Guanting Service Area, Xiahuayuan Service Area, Zhangjiakou Service Area, Yujialiang Service Area and Huai 'an Service Area.
(3) Inner Mongolia: Xinghe Service Area, Jining Service Area, Zhuozishan Service Area, Yulin Service Area, Hasuhai Service Area, Baotou Service Area, Baiyanhua Service Area, Xixiaozhao Service Area, He Lin Service Area, He Lin New District Service Area, Wuyuan Service Area and Wuhai Service Area.
(4) Within Ningxia: Huinong Service Area, Hu Sha Service Area, Helan Service Area, Yinchuan Service Area, Yongning Service Area, Guanmahu Service Area, Mingsha Service Area, Xiaohonggou Service Area and Xingren Service Area.