Anhui net Chaohu News recently，General National and Provincial Trunk Highway Maintenance Project of Hefei City in 2023（Chaohu area）The project containsGHighway Safety Improvement Project of 312 Huhuo Line，GFormal Handover and Acceptance of Pavement Repair and Preventive Maintenance Project of 312 Huhuo Line。The project started on May 20, 2023.，It was completed on August 30.，Lasting 103 calendar days，Complete the construction task of highway maintenance project 47 days ahead of the contract period。

G312 Huhuo Line（K477+200-K486+846）Section pavement repair and preventive maintenance works，Located in Chaohu City, Hefei City，The route generally runs from east to west.，Mainly located in Zhegao Town, Chaohu City、Miaogang Town，Total length of pavement repair section 9.646 kilometres，The road grade is the second-class highway.，The pavement is asphalt concrete pavement.，The road is 9 meters wide.，The roadbed is 12 meters wide.（The main content of this construction is the treatment of old road diseases.、Milling old asphalt pavement、Paving asphalt concrete surface course、Improve ancillary facilities。Chaohu Branch of Hefei Highway Management Service Center is responsible for drawing a capable management team.，Be responsible for site management of the Project。

GHighway Safety Improvement of Chaohu Section of 312 Huhuo Line（K446+490～K486+846），Design speed 60km/h，Implementation mileage 40.356 kilometers。This maintenance plan involves four sections of street renovation for fine safety improvement and special maintenance.(Siji Street、Suwan Street、Zhegao Street、Miaogang Street)，Safety lifting of large level crossings，Renovation of bus platform，Renovation of school road section、Comprehensive treatment of general crossing、Comprehensive treatment of pedestrian crossings and improvement of traffic safety facilities along the line.。

During project implementation，In order to reduce the interference of heavy traffic flow on the construction,，On-the-spot investigation and study by the fourth engineering department of the project office，Use Feidong Shichang Road and Chaohu Lanbin Road to implement large vehicle bypass、Traffic Guidance Scheme for Two-way Mixed Traffic of Small Social Vehicles，And organize a demonstration meeting on the traffic guidance scheme.。Respectively at the high speed port、Obvious notice boards shall be set up at the main bypass intersections.，And through the media、The website and other media publicize and inform the society of the traffic guidance plan。Emergency Management Section of Chaohu Branch Center and Chaohu Traffic Law Enforcement Brigade，Go deep into the factories and mines along the line、Large transport enterprises carry out propaganda。The construction project department is located at the Lanbin intersection.、Miaogang Town Intersection and NewGSet 24-hour duty point at junction 329，Persuade the passing large vehicles to bypass。

Through the implementation of pavement repair and maintenance and highway safety improvement，Improve the fine level of highway traffic safety facilities and traffic management, and effectively enhance the ability of highway traffic safety guarantee and management.，Multiple directions make the road comfortable to drive.、Safety has been significantly improved, traffic capacity and service level have been greatly improved.，Further improve the main road network，The construction of the project will strengthen the traffic links of Hefei.，Improve the level of service of the road，Continuously improve people's sense of travel、Happiness、Sense of security。（Sun Lu and Wang Yaping）