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GIS-T, or the application of geographic information systems (GIS) in transportation has grown significantly in South Africa and internationally over the last few years. GIS-T is also one of the leading GIS application fields. Many GIS-T applications have been developed and implemented at various institutions dealing with transport in the past decade. These address a broad range of transportation issues, such as infrastructure planning, design and management, transportation safety analysis, travel demand analysis, traffic monitoring and control, public transit planning and operations, environmental impacts assessment, and intelligent transportation systems (ITS). With the rapid growth of the Internet and wireless communications in recent years, we also have seen a growing number of Internet-based and wireless GIS-T applications. The use of GIS in addressing transport and related matters are varied and advanced. GIS provides a tool that combines abilities to describe and map spatial properties in a common environment. Most GIS tools today provide the ability to combine different types of data that are needed to fulfil goals in transport planning. Most GIS systems can also handle road and other networks information and perform basic transport analysis.
In the South African context professionals are increasingly dealing with more challenging transport related issues that often require new or different approaches to solve. In addition, new tools and software are continuously developed that allow users to address these issues. In the area of data capture, technologies such as aerial photography, LIDAR, and the use of location based services (LBS) or handheld devices all have a part to play in addressing transport issues.
Presenter : Mr. Derrick van As
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