It is the right time for Frost's Descent highway maintenance.

Frost's Descent is the last solar term in autumn.，Its arrival means that winter is getting closer and closer.。 As temperatures continue to fall，In order to prepare for highway maintenance in winter in advance，Qinzhou Highway Section Suits Measures to Road Conditions，Provide for the management and maintenance of national and provincial trunk lines“Exclusive private package”，Do a good job of road cleaning、Disease disposal、Emergency support“Maintenance items”，Strive to build smooth、Ann、Shu、Midea Highway Traffic Environment。

Item I：Cleaning and maintenance。Strong monsoon in autumn and winter、Seasonal characteristics such as withered branches and leaves.，Intensify mechanized cleaning，Add maintenance and manual cleaning in key road sections，Timely cleaning of road sprinkles and dead branches and leaves，Prune the street trees that obstruct the sight of traffic.，Clean and dredge the side ditches and drainage ditches of the highway，Keep smooth drainage and good driving sight；Regular cleaning、Refresh safety warning signs and signboards and waveform guardrails、Anti-collision wall and other highway security facilities，Make every effort to improve road appearance。

Item II：Repair and maintenance。According to“Prevention first，Combination of prevention and treatment”The principle of，Timely treatment and repair of highway pavement diseases，Prevent the expansion of diseases caused by rain and snow infiltrating into the roadbed in winter。Strengthen the investigation of potential safety hazards of bridges，Clean up the silting of bridges and culverts in time、Expansion joint，Dredging drainage holes and other work，Ensure the safe operation of the bridge，Ensure that the road condition is always in good condition。

Item III：Preventive maintenance。In order to actively prevent the impact of bad weather on highways,，Prepare for a rainy day in Qinzhou Highway Section，Implement material reserves，Carefully carry out the investigation of anti-skid materials in winter，Growing up downhill ahead of time、A sharp bend、Easy to freeze、Adequate anti-skid materials shall be prepared for shady road sections.，And reserve sufficient emergency supplies such as snow-melting agent.，All kinds of emergency machinery、Repair and maintenance of maintenance Vehicles，Ensure that emergency support capabilities are deployed in place。

Correspondent：Wang Qiong and Yang Chaobo

Unit：Qinzhou Highway Section of Tianshui Highway Development Center

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