Built almost entirely in the last 15 years, China's HSR network moves 2.5 billion passengers annually. The Jakarta-Bandung line, which opened in 2023, was the first Chinese-built HSR export, cutting a 3-hour drive to 40 minutes.
The network's real innovation isn't speed — it's construction velocity and cost. China builds HSR at roughly $20-25M per kilometer, versus $100M+ in the US and Europe. CRRC, the state-owned rolling stock manufacturer, produces trains at a scale and price point no competitor can match.
The constraint is debt: China Railway carries over $800B in liabilities, and most lines outside the Beijing-Shanghai corridor operate at a loss. The system was built for national integration and urban development, not profitability. Whether this model can be exported sustainably — with financing attached — is the open question.