跟车时间百分比（延误率）是衡量双车道公路服务水平的一个重要指标。
Percent Time-Spent-Following (Percent Time Delay) is an important index to estimate Level-of-Service of tow-lane highways.
公路服务用户满意度模型是评价公路服务质量、提高公路服务水平的重要工具。
Customer satisfaction model of highway service is a very important tool to evaluate and improve service quality of highway sector.
在满足公路路线实际规范的条件下，公路服务水平的高低、工程的经济性在很大程度上取决于设计阶段的综合线形设计。
Under the conditions of meeting with highway alignment, the level of highway service, the economical level of the project is decided by comprehensive alignment design at the design stage.
通过速度折减量与坡长之间的关系曲线，提出基于运行速度差和满足公路服务水平要求的各级公路最大纵坡坡度与坡长限制值。
By analyzing the relationship between speed loss, speed discount in different gradient and grade length, the paper also brings forward the maximum longitudinal gradient and grade length limit.
摘要：为了确保公路隧道内行车安全、运营畅通和维持一定的服务水平，交通工程的设计与完善必须给予足够的重视。
Abstract: in order to ensure highway tunnel safety and operation in clear and maintaining a certain level of service, the traffic engineering design and perfect must give enough attention.
桥梁毛勒缝的施工质量直接影响公路桥梁的服务水平和行车的舒适性。
Construction quality of Maurea expansion and contraction joint of bridge directly affects the service level and driving comfortability of highway bridge.
强化管理，科学决策，才能全面改变和提高公路桥梁整体服务水平。
In order to completely change and improve the whole service level of roads and Bridges, we must strengthen management and make scientific policy.
文章针对我国目前公路工程监理人员服务水平较低的状况，总结出了监理人员在公路工程建设中的作用及注意事项。
According to the lower services of supervisors in road project in China at present, this paper sums up the roles supervisors play in highway construction projects and issues needing attention.
因此提高高等级公路收费站的通行能力和服务水平，是改善高等级公路通行能力及服务水平的有效方法。
So improving the traffic capacity of highway toll-station and level of service, is an effective method of improving the traffic capacity of the highway and service level.
研究结果可用于评价两车道公路的服务水平及检验和建立二车道公路的几何设计标准。
The implication of the findings is the provision of the level of service evaluation and the test and determination of the criteria of geometric design for two lane rural roads.
中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Furthermore, highway network mostly is the trouble of technical grade and service low.
中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Furthermore, highway network mostly is the trouble of technical grade and service low.
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