a prototype of the traffic advanced integration uniformed simulation platform is presented in the end . third, according to the problems in traffic software network design, one method is put forward that the urban traffic micro-network model database is based on gis . fourth, based on the development condition of onboard self-determination navigation system, the project of developing lower cost onboard unit is put forward 一vl一摘要3)以车载自主导航系统的智能要素车载信息平台为对象,对车载自主导航系统进行了描述,提出一个高处理能力、高集成性、低成本和低功耗的车载信息平台?基于armlinux的嵌入式智能信息系统平台,并已经初步完成了系统的软硬件设计,其中完成的车载信息平台电路板见附录工。