Core Points - The Changshen Expressway Hehui Section expansion project has successfully passed acceptance inspection, enabling 8-lane traffic throughout the route, which connects Heyuan and Huizhou, enhancing traffic efficiency and regional development [1] - The project is a key engineering initiative under Guangdong's 14th Five-Year Plan, spanning approximately 116.6 kilometers, starting from Dongyuan County in Heyuan City and ending in Huiyang District of Huizhou City, upgraded to a dual 8-lane expressway standard [1] Infrastructure Improvements - The project features upgraded median green belts to a neat and simple anti-glare net, improving driving comfort and focusing on optimizing the dismantling structure and anti-corrosion technology to reduce maintenance risks [1] - PA-13 drainage noise-reducing pavement has been laid in key sections to enhance rainwater drainage efficiency and reduce driving noise, ensuring driving safety [1] - An active warning system has been established with integrated radar and intelligent luminous road studs in special sections, which change light color and frequency to send warning signals upon detecting traffic events [1] Economic Impact - Since its opening, the Yuegan and Huizhou Expressways have become a "golden corridor" driving local economic development, with green agricultural product supply bases and aquaculture parks established along the route [2]

Group 1 - The Changshen Expressway Hehui Section expansion project, approximately 116.6 kilometers long, is set to enhance connectivity between the Guangdong-Hong Kong-Macao Greater Bay Area and northeastern Guangdong, with completion expected by the end of this year [3][4] - The project features a dual eight-lane highway standard and incorporates a leading digital management system for highway expansion, integrating surveying, design, digital management, intelligent construction, and safety emergency applications into a unified framework [3] - A three-tiered rapid safety monitoring system using cameras, drones, and coordinators has been established to address complex traffic organization and high safety risks, with 22 AI drones deployed for daily surveillance and automatic alerts for road anomalies [3] Group 2 - Innovative technologies such as a smart jacking system and SPMT modular transport technology were utilized in the demolition and reconstruction of the Jinlong Avenue overpass, minimizing dust and noise pollution while reducing traffic impact [4]