From Top Electric.

China has pioneered the world’s first semi-autonomous highway paving operation, covering 157 kilometers of the Beijing-Hong Kong-Macau Expressway, a vital economic corridor. This groundbreaking project deployed 10 AI-powered machines, led by the SAP 200C-10 PA, a colossal paver with a 19.25-meter screed capable of laying four lanes at once. Supported by nine rollers in a “1 + 3 + 3 + 3” formation, these machines spread and compacted asphalt with unmatched precision, guided by artificial intelligence making thousands of decisions per second. Connected to China’s BeiDou satellite system, they achieved centimeter-level accuracy, adjusting in real time to ground variations and compaction needs. Human supervisors monitored from control rooms, intervening only when necessary. Developed by SANY, the machines used advanced sensors, cameras, and low-latency communication for seamless coordination. Innovations like “zero edge rolling” ensured perfect pavement edges, while electronic fences and obstacle detection enhanced safety. This project slashed labor needs, improved quality, and reduced construction time, signaling a future where autonomous systems build bridges, tunnels, and buildings. Globally, nations like the EU, Japan, and the US are studying this technology as climate change and aging workforces demand smarter infrastructure solutions. China’s approach—applying AI to physical construction—sets a new standard, potentially transforming global development and redefining how we build the world.

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