In this article, the author carries on the analysis and discussion of the project cost relevant concepts on the basis of the analysis of the related function and its meaning of highway construction cost budget quota, and analyzes the optimization method and its relationship of highway construction cost bud-get quota, and then puts forward some reference suggestions.%本文对工程造价的相关概念进行了分析与探讨，在对高速公路工程造价预算定额的相关作用及其意义分析的基础上，对高速公路工程造价预算定额优化方法及其中各关系进行了分析，提出了一些参考建议。
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