According to Baidu Encyclopedia, the total length of Taijiu Expressway is 140.678 km, starting from Wusu, Taiyuan, passing Tieshi, Yutou and Luo Yao in Yuci District, Tai 'an Post in Shouyang County, Zhu Qin, Qin Quan and Xiaozhuang in Yannan County, Laojie, Potou and Sangzhanggou in Yangquan City, Beiru, Guishigou, Xijiao and Sophora in Pingding County.
Taijiu Expressway is from Taiyuan to Jiuguan Expressway. The Sixth Bid Section of Shaanxi Expressway Network Planning (Pingding Jiuguan-Liulin Du Jun) is also an important part of the national G20 Yin Qing Expressway.