Core Viewpoint - The city of Liaocheng is focusing on improving the maintenance and management of ordinary national and provincial roads, with significant investments in maintenance projects to enhance road conditions and traffic capacity during the 14th Five-Year Plan period [1][3]. Group 1: Maintenance Projects - During the 14th Five-Year Plan, Liaocheng implemented 55 maintenance projects covering 824 kilometers of ordinary national and provincial roads, accounting for 74% of the city's managed road mileage [1]. - The excellent road rate (PQI) for ordinary national and provincial roads improved from 86.6% at the end of the 13th Five-Year Plan to 97.75% in the first half of 2025, an increase of 11.15 percentage points [1]. Group 2: Management and Decision-Making - The city has standardized maintenance management by following principles of scientific decision-making, prevention, reliability, durability, and environmental protection, ensuring that maintenance goals are scientifically set and projects are implemented rationally [3]. - The use of the Shandong Provincial Road Maintenance Management System has enhanced decision-making, with preventive maintenance mileage maintained at no less than 5% of managed mileage, extending the lifespan of road surfaces [3]. Group 3: Technical Innovations - New technologies such as in-situ thermal regeneration technology have been adopted, allowing for 100% recycling of old asphalt materials without waste generation, thus saving on material transport costs and ensuring efficient construction [4]. - The GCA grouting technology has been promoted to enhance the stability of road surface strength and improve resistance to rutting and high temperatures [4]. Group 4: Future Plans - The city plans to accelerate the implementation of maintenance projects to ensure completion by the end of this year, aiming for a successful conclusion to the 14th Five-Year Plan maintenance initiatives, which will further improve traffic conditions and enhance public satisfaction [4].