Shandong Official(@iShandong):5 minutes. That's all it takes to cross the Yellow River now. The world's largest-diameter underwater shield tunnel opened to traffic in Jinan, Shandong province, on Aug 25. It's also China's first single-bore, double-deck shield tunnel beneath the Yellow River.

Shandong Official

@iShandong

Welcome to East China's Shandong province, the Home of Confucius! Come and experience the warmth and hospitality of this fascinating part of China!

参加 June 2020

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Shandong Official@iShandong

2026.08.25 09:35

5 minutes. That's all it takes to cross the Yellow River now. The world's largest-diameter underwater shield tunnel opened to traffic in Jinan, Shandong province, on Aug 25. It's also China's first single-bore, double-deck shield tunnel beneath the Yellow River.