This paper introduces the surveying principle,advantages and surveying methods in special area of GPS RTK.Combining with specific engineering,it describes the application condition of GPS RTK in road surveying,and then points out that using GPS RTK positi%分别介绍了GPSRTK的测量原理、优势、特殊地区的测量方法三个方面,并结合具体工程阐述了GPSRTK在公路测量中的应用情况,指出使用GPSRTK定位测量技术可以有效缩短工期,保证成果质量,并降低成本。
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