Archaeologists in China have unearthed a 2,200-year-old Qin Straight Road, a 900 km highway built by Emperor Qin Shi Huang.
The road runs from Xianyang to Jiuyuan and was constructed between 212 BC and 207 BC under the supervision of General Meng Tian.
It was designed for rapid troop movements against Xiongnu nomads and featured rammed earth, filled valleys, and straight trenches, creating a level path 40–60 meters wide.
Excavations in Yulin, Shaanxi, revealed a 13-km stretch, showing compacted roadbeds, reinforced slopes, and evidence of heavy use.
A nearby relay station contained Qin-to-Han ceramics, confirming its long-term strategic and commercial importance.
The highway is considered “the ancestor of the world’s highways”, second only to the Great Wall in scale and defence function.