Once the GIS web services are construed, they can be used
by a number of ITS application systems which include the
intelligent transportation control systems, the video
supervisory systems, the electronic police systems, the 110/122
alarm systems, vehicle movement management systems, the
street intersection control systems and the mass transportation
systems. A customized ITS application system, which need the
geo-reference data and information, can be viewed directly in a
graphical web browser or other pictorial software. The ITS
application system can integrated the GIS client and web map
service by Hypertext Transfer Protocol. The GIS-T web
service architecture includes the web service engine, ITS
application clients and web service interface and data storages.