Pavement Management Applications Using Geographic Information Systems (2004) / Chapter Skim
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7 CHAPTER TWO PAVEMENT MANAGEMENT SYSTEMS AND SPATIAL ANALYSIS TECHNOLOGIES This chapter includes a brief introduction to PMS, GIS, and spatial analysis, and discusses how the technologies have been combined to enhance the highway management process. PAVEMENT MANAGEMENT SYSTEMS There are more than 6 million km (approximately 4 million mi)
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8 FIGURE 1 Types of pavement management data collected. these data are necessary for supporting the other data collection activities.
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9 • Output presentation -- The user can easily generate color-coded maps and graphic displays depicting road conditions, coverage of evaluation campaigns, and maintenance and rehabilitation schedules, among many other applications. GIS can also facilitate the computation of statistics by areas or regions; for example, the average condition of the roads by county.
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10 other spatially enabled databases and software components have been developed specifically for highway management. These software components, or middleware, sit between the database that resides on a server computer and the end-user applications, and they provide many of the functions and procedures that an end-user application requires.
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12 FIGURE 5 GIS-T as the merger of enhanced GIS and enhanced transportation information systems (18)
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13 that provides managers with additional information to help them make better informed decisions as they allocate scarce departmental resources (22)
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