Key facts
- Chinese researchers have proposed a space-based train control system for high-speed rail.
- The proposal aims to prevent disasters caused by natural events like lightning, floods, or earthquakes.
- The system would replace current trackside infrastructure with a space-based network.
- The researchers acknowledge that this advanced technology could introduce new cybersecurity vulnerabilities.
Chinese researchers are exploring a novel approach to enhance the safety of the nation's vast high-speed rail network by proposing a space-based control system. This initiative, detailed in the journal Railway Signalling and Communication Engineering, seeks to prevent catastrophic failures like the 2011 Wenzhou disaster, which claimed 40 lives and injured nearly 200. The official inquiry into that incident identified a lightning strike that caused a trackside circuit failure, making one train undetectable to the control center and leading to a collision.