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Development of TrafficXML: Prototype XML for Traffic Simulation

With the wide adoption of XML as a standard means of data representation and exchange, more XML-aware applications and open resources are added to the library. It is therefore beneficial for the transportation community to develop an industrywide common language not only to leverage the open resources but also to ease external and internal communication. A prototype of XML-based language, TrafficXML, was developed for data representation in traffic simulation, and the prototype was formally defined in an XML schema. Discussions include the role of XML in traffic simulation, procedures for developing and applying the prototype, and issues of validation with an XML schema. As an illustrative example, the prototype was applied to KWaves, an enhanced macroscopic traffic simulation software built on Java and XML technologies.