（文章来源：人民日报） 记者从近日在京举行的第十五届中国轻工业信息化大会上获悉：截至今年上半年，轻工企业数字化研发 工具普及率进一步提升到86.2%，经营管理数字化普及率达到82.3%，轻工智能化基础进一步夯实。 近年来，我国轻工两化建设扎实推进，智能制造水平明显提升。2024年，轻工企业网络化协同企业占比 47.2%，开展个性化定制企业占比18.3%，分别高于全国平均水平2.0和2.8个百分点。家电、食品、缝制 机械等行业大规模应用AI视觉检测、智能分拣等技术，提质增效成果显著。目前，我国已建成1260家 5G工厂，其中轻工行业占比13%、达167家，轻工业智能化已具领先水平。 ...

Core Insights - The traditional traffic management methods are facing significant challenges due to the rapid growth of urbanization and vehicle ownership, leading to the widespread adoption of intelligent and automated intersection signal control devices [1][9] - The market size of China's intersection automatic signal device industry is projected to grow from 11 billion yuan in 2019 to 14.9 billion yuan in 2024, with a compound annual growth rate (CAGR) of 6.26% [1][9] - Future developments in the industry will focus on smarter and more networked solutions, driven by technological innovations and the deepening of new urbanization [1][9] Industry Overview - Intersection automatic signal devices are designed to control traffic lights based on real-time traffic flow and road conditions, enhancing traffic efficiency and safety [3] - The devices can be categorized into timed signal machines, semi-sensing signal machines, and fully sensing signal machines [3] Industry Development History - The industry has evolved from manual traffic control by police to mechanical signal lights, and then to electronic signal lights, which are now being replaced by intelligent systems that optimize signal management [3][4] Industry Chain - The upstream of the industry includes raw materials and core components such as sensors and controllers, while the downstream applications are primarily in traffic management and smart city systems [5][6] Sensor Market Growth - The sensor market, crucial for real-time traffic monitoring, is expected to grow from 169.08 billion yuan in 2017 to 406.12 billion yuan in 2024, with a CAGR of 13.34% [7][8] Smart Traffic System - The smart traffic system, a key application area for intersection automatic signal devices, is projected to grow from 151.3 billion yuan in 2019 to 262.82 billion yuan in 2024, with a CAGR of 11.68% [8][9] Competitive Landscape - The industry exhibits a layered competitive structure, with leading companies dominating the high-end market while many small and medium enterprises focus on regional services and price competition [10] - Key players include Hikvision, Sainojie Technology, and several others, each leveraging technology and innovation to gain market share [10][11] Future Trends - The industry is moving towards intelligent upgrades, networked collaboration, and integrated design, enhancing the capabilities of intersection automatic signal devices [12][13][14]