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Fiber stabilizers can significantly extend the road’s service lifeIn the research below, six different types of fibers are selected to research extending the service life of asphalt pavements by improving raw materials in the early stage from the perspective of asphalt concrete material selection based on the renovation of the municipal service road (G321) in Neijiang City, Sichuan ProvinceThe effect and economical efficiency of different materials on extending the service life of asphalt concrete pavements were compared by analyzing the properties of different materials such as high-temperature stability, low-temperature crack resistance, water stability, freeze-thaw splitting, etc., and their respective economic benefitsThe results of the research can provide a reference for similar engineering projects.