Integrating with self working experience,the paper summarizes construction points of road extension and reconstruction engineering,introduces horizontal and vertical section controlling points and settlement controlling measures in roadbed and pavement extension,and describes matters needing attention in bridge extension construction,with a view to guide road extension construction.%结合自身工作经验,针对道路拓宽改建工程施工要点进行了总结,介绍了路基、路面拓宽时路线平纵断面的控制要点及沉降控制措施,并阐述了桥梁拼宽施工时的注意事项,以期指导道路拓宽施工。
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