On 2026年5月5日, Shandong Hi-Speed was granted the invention patent for the ‘Expressway Safety Warning Device’. The device integrates millimeter-wave radar and an LED light-sensing adaptive module, and its technical indicators meet the stringent requirements of the latest EU standard EN 12966-2:2025 for response delay（≤200ms）and ambient light recognition accuracy（±50lux）. This development has a clear impact on specialized sectors such as intelligent transportation equipment manufacturing, international engineering contracting, export-oriented traffic sensor enterprises, and cross-border supply chain service providers, marking a key breakthrough in the EU-standard compliance capability of domestic traffic sensing terminals.

Event Overview

On 2026年5月5日, Shandong Hi-Speed Group obtained authorization from the China National Intellectual Property Administration for the invention patent titled ‘Expressway Safety Warning Device’. This patented product combines millimeter-wave radar detection with LED light-sensing adaptive adjustment functions. Its two core parameters, response delay and ambient light recognition accuracy, comply with the mandatory technical thresholds of the EU standard EN 12966-2:2025. This standard officially came into effect in 2025 and applies to market access evaluation for dynamic traffic warning devices in the EU and in third-party markets adopting this standard. At present, the publicly available information is limited to the fact of patent authorization and the claimed technical benchmarking relationship, while mass-production progress, third-party test reports, and specific project application evidence have not been disclosed.

Which Sub-sectors Will Be Affected

Intelligent Transportation Equipment Manufacturers

Such enterprises are directly involved in the R&D and production of traffic sensing and warning terminals. EN 12966-2:2025 has become a rigid threshold for access to the EU market, and the millimeter-wave radar + light-sensing closed-loop control pathway validated by the Shandong Hi-Speed patent provides a reusable technical architecture reference for similar manufacturers. The impact is mainly reflected in the product definition stage, where EU-standard response timing constraints and light-sensing calibration procedures need to be embedded synchronously, rather than relying only on adaptation and modification at a later stage.

International Engineering Contractors（including EPC general contractors）

Enterprises undertaking overseas intelligent networked infrastructure projects, such as Chinese-funded general contractors participating in projects like Serbia’s E763 and the second phase of the Jakarta-Bandung High-Speed Railway in Indonesia, are facing stricter localized compliance reviews in their equipment procurement lists. This patent indicates that domestic hardware is already capable of meeting all basic clauses of EN 12966-2:2025, which is expected to shorten project equipment selection cycles and reduce the risk of design rework caused by delayed certification.

Traffic Sensor Export Trading Enterprises

Exporters targeting the EU and regions adopting the EN 12966 series standards need to reassess the compliance gaps in their existing product lines. This patent is not a certification certificate itself, but its technical solution already covers the two most difficult dynamic performance indicators in the standard, suggesting that exporters should prioritize the establishment of response delay testing capabilities and light-sensing calibration laboratory configurations, rather than relying solely on stacks of CE declaration documents.

Cross-border Supply Chain Service Enterprises（including testing and certification agencies）

Service providers supporting EU market access for domestic equipment need to pay attention to changes in the actual implementation scope of EN 12966-2:2025. At present, this standard has not yet been incorporated on a large scale into the routine testing catalogs of EU Notified Bodies, but the publicly disclosed technical pathway of the Shandong Hi-Speed patent may accelerate the standardization process of its testing methods, thereby affecting service pricing structures and delivery cycle estimation models.

What Relevant Companies or Practitioners Should Focus On and How They Should Respond at Present

Pay attention to follow-up updates from EU Notified Bodies on detailed testing rules for this standard

Although EN 12966-2:2025 has been issued, specific test methods（such as operating conditions for response delay measurement and spectral distribution of light sources for validating light-sensing accuracy）have not yet been unified. Enterprises should track supplementary guidance issued by the Official Journal of the European Union（OJEU）and mainstream Notified Bodies（such as TUV Rheinland and SGS）to avoid inferring testing qualification boundaries on their own based solely on patent descriptions.

Differentiate the actual progress at the two levels of ‘technical compliance’ and ‘market access’

This patent proves technical feasibility, but it does not mean completion of EU CE certification or obtaining type approval from local transportation authorities. Enterprises must be clear that patent authorization falls within the scope of intellectual property, whereas compliance with EN 12966-2:2025 requires independent third-party verification clause by clause according to the full text of the standard. What deserves greater attention at present is whether Shandong Hi-Speed has initiated type testing by a Notified Body, rather than focusing only on the patent text itself.

Identify in advance the weak points of your own products in response delay and light-sensing recognition

Conduct end-to-end timing analysis for the millimeter-wave radar signal processing chain（including target recognition → command generation → LED drive response）; simultaneously verify whether the calibration traceability path of the ambient light sensor covers the full range of 50–100000 lux and light sources with different color temperatures. It is recommended to carry out internal baseline testing using 200ms as a hard threshold, rather than continuing to use the old industry惯性 indicator of 500ms.

Carefully assess how standards are referenced in equipment procurement clauses for overseas projects

Some overseas project tender documents have already begun citing clause numbers of EN 12966-2:2025, but it is not yet clear whether manufacturers’ self-declarations are accepted or whether reports from Notified Bodies must be provided. Enterprises should verify the technical annexes of contracts clause by clause, and for statements such as ‘complies with EN 12966-2:2025’, require the project owner to clarify the verification method in writing, so as to avoid compliance disputes during contract performance.

Editor’s Viewpoint / Industry Observation

Observably, this patent authorization signals a shift from ‘capability aspiration’ to ‘verified technical pathway’ for Chinese intelligent transportation terminals targeting EU-standard markets. It is not yet a market-ready certification outcome, but rather a concrete reference point for what full-stack compliance entails in sensing-response-closure loops. From an industry perspective, the value lies less in the pace at which Shandong Hi-Speed’s own products go overseas, and more in the fact that its publicly disclosed technical implementation logic provides the industry chain with a benchmark sample that is comparable, decomposable, and reusable. Analysis shows that the bottleneck for most domestic manufacturers remains not R&D capability, but systematic test infrastructure aligned with EN 12966-2:2025’s dynamic measurement requirements — which are fundamentally different from static photometric or EMC testing. The field now needs more than patents: it needs verifiable, third-party-observed test data published under this standard.

Conclusion
This patent implementation indicates that domestic expressway warning equipment already possesses the technical foundation to benchmark EN 12966-2:2025 in core dynamic performance dimensions, but it does not yet constitute a pass for market access. At present, it is more appropriate to understand it as a clear technical benchmarking signal rather than an immediately available commercial solution. The industry should assess its value rationally: it reduces uncertainty in the technical pathway, but does not reduce the systematic investment required for certification implementation. Continued attention to progress in detailed testing rules by Notified Bodies and the release of the first third-party type-test reports is of more practical significance than simply tracking the number of patents.

Information Source Notes
Main sources: China National Intellectual Property Administration patent authorization announcement（authorization announcement date: 2026-05-05, patent title: Expressway Safety Warning Device）; EU standard document EN 12966-2:2025 “Road traffic control systems — Variable message signs — Part 2: Performance requirements and test methods”.
Areas requiring continued observation: whether the Shandong Hi-Speed patented product has completed type testing by an EU Notified Body; the actual degree of adoption of EN 12966-2:2025 by transportation authorities in various member states; and the first publicly disclosed case of similar domestic equipment obtaining certification under this standard.