With the ongoing intelligent transformation of China's national expressway network, traditional information board systems have officially undergone iterative upgrades. The new generation of LED traffic guidance screens has recently been deployed in pilot sections across multiple regions. Utilizing distributed control systems and cloud platform coordination technology, these screens have achieved a qualitative leap in information dissemination efficiency. Compared to the previous manual update process for individual devices, the new system enables synchronized content refresh across all devices via a central control platform. Field tests confirm an overall information update efficiency three times higher than conventional methods.
Three Core Advantages
1. Revolutionary Response Speed
Emergency alerts (e.g., sudden weather warnings, temporary traffic controls) can achieve full-network coverage within minutes, providing critical decision-making time for travelers. Dynamic road condition updates and electronic signage integrate to form a comprehensive vehicle-road collaborative information chain.
2. Optimized Operational Costs
Remote centralized management reduces on-site manual operations by over 90%. Real-time device monitoring proactively identifies potential failures, significantly lowering maintenance burdens for expressway operators.
3. Evolving Information Services
Supports advanced display formats like mixed text-graphics and multi-level information layering. Future software upgrades will enable integration with vehicle-network systems, laying infrastructure groundwork for the autonomous driving era.
This upgrade is more than just a hardware update; it represents a digital transformation of traffic management concepts. During peak traffic periods, such as the National Day holiday, the system demonstrated rapid responsiveness: real-time guidance screen updates at key hubs reduced congestion duration by 40%. Traffic experts emphasize that this "cloud-edge-device" collaborative architecture sets a standardized example for the future development of smart highways.
The technology will be rolled out nationwide as a key transportation infrastructure project and is expected to cover major arterial highways by the end of next year. Industry analysts point out that this "lightweight" transformation—requiring minimal, substantial investment—provides replicable practical experience for modernizing traditional infrastructure.