Abstract
For road alignment design, the design speed is the control basis of the current road design and determines the minimum index value of the route alignment design elements. The actual driving speed is important to measure and check the rationality of the route design index and whether the coordination is appropriate. According to the basis, the change range of its operating speed objectively reflects the balance of the linear index and the continuity of the road linear design. Based on the coordination of operating speeds, this paper analyzes the route of the reconstruction project of the 207 National Road (K3075+800—K3077+600) in the Guangdong-Guizhou County Economic and Industrial Cooperation Demonstration Zone (Xindu Industrial Zone), and takes the ratio of the operating speed difference between adjacent sections as the analysis. Indicators, the results show that the line shape of this section of the project is reasonable.
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