Recently，K538-K310 section in the direction of Shanhaiguan in the reconstruction and expansion section of Beijing-Harbin Expressway，Concentrated a maintenance and repair operation。This maintenance and repair operation makes full use of the "empty window period" to carry out daily maintenance work，Effectively ensure that the Beijing-Harbin Expressway reconstruction and expansion road will be opened immediately、Leave now、Instantly”。

To ensure the smooth progress of maintenance operations，The operating company organized the Beijing-Harbin Joint Command Center for Renovation and Expansion dafabet live casinodafabet best online casino(hereinafter referred to as the "Joint Command Center") to hold a special meeting with the public security and traffic control department，Coordinating organization、Scientific Deployment。dafabet casinoDo a good job in controlling the diversion points of the main line、Vehicle clearance、On-site acceptance、Escorting vehicles and leading the way，Provide safety guarantee for maintenance and repair；Second isDo a good job in publicity and public opinion monitoring，Real-time release of road control information through media platforms，Do a good job in guiding the public to travel；Three isControl the entrance and exit of construction vehicles，Carefully check vehicle passes and strengthen post-event audits；FourthClean up the garbage in the middle zone、Anchor-free guardrails and attached anti-glare panels repair and replacement、Unblocking and cleaning of drainage holes；五是Further optimize and improve the construction organization plan and emergency support plan，Carry out safety production education and training，Strengthen centralized maintenance on-site control；SixthStrengthen the implementation of maintenance and repair plans，Organize the signing of a commitment letter to complete the project on time。

July 10, 8:00，Centralized maintenance and repair work successfully completed，The operating company cooperates with the public security and traffic control department to start releasing the main line vehicles by escorting the vehicles and leading the way，Toll stations are opening gradually，Successfully achieved the goal of ensuring construction quality while making every effort to avoid affecting the normal travel of the public。This closed construction，A total of 56 expansion joints have been repaired、Repair 60 joints between the old and new bridges、197 repair holes、Repair road damage 278.47 square meters、Bridge Deck Maintenance 438.517 square meters、Repair and replace 8569 dafabet best online betting websitesets of anti-glare panels、Cleaning up garbage 228.5 kilometers、A total of 201 weeds cleaning and spraying in the middle zone.5 kilometers、Cleaning 2218 bridge scuppers。The joint index center relies on Kuaishou、The three official platforms of Douyin and Video Account carry out live broadcast activities，Real-time interaction，Reasonably guide the public’s travel。The total live broadcast time on the three major platforms is 33 hours，Nearly 100,000 viewers online。

The operating company will take this centralized maintenance and repair operation as an opportunity，Continue to optimize collective discussion and judgment、Joint logistics linkage mechanism，Focus on improving road network monitoring capabilities、Vehicle rescue efficiency、Four aspects including the effect of traffic organization and flow adjustment and the acceleration of the new model of maintenance and traffic protection，Make every effort to ensure smooth traffic on the reconstructed and expanded road sections。