Highway management information system is a synthetic information system the information of which is from the business sys-tems of different platforms.

公路管理信息系统是一种综合的信息系统，信息来源于不同平台的业务系统。

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This paper analyzes in detail and intensively researches some key technologies of realizing provincial highway information management system.

本文主要针对实现省级公路信息管理系统的若干关键技术进行了详细的分析和深入的研究。

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Provincial highway data has three character: many sources, wide cover and great capacity of data, so organization and management of data is a key to realize highway information management system.

省级公路数据有多源性、覆盖面广、数据量大三个特征，公路数据组织与管理是省级公路信息管理系统实现的核心问题。

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The U.S. is still stalled in the research phase and the ITIF report calls for a federal approach comparable in scale to the Interstate Highway System launched in the 1950s, with national real-time traffic information in the 100 largest cities by 2014 and a mileage-based user fee system by 2020.

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