随着城市交通出行需求的不断增长，出行信息服务应运而生。介绍了出行信息服务产业的国内外发展状况，提出了出行信息服务技术平台的体系结构，分析了通讯平台、定位平台和地图平台的地位、作用及其发展趋势，从交通信息采集与处理、空间数据模型、路径规划算法、短时交通预测、信息可视化和服务标准规范等方面评述了关键技术的研究进展，分析了出行信息服务产业发展需要重点解决的科学与技术问题，以促进出行信息服务技术研究的进一步深化。

Travel information services develop quickly all around the world with increasing public travel demands. This paper introduced the state of the arts of the travel information services industry, proposed the system structure of the technical platforms involved in travel information services, analyzed the roles and trends of communication, positioning and mapping platforms, reviewed the research progress of concerned technologies including traffic information collecting and processing, spatial data modeling, path searching algorithms, short-term traffic forecasting, information visualization and service standards and criteria,and analyzed the scientific problems and technological bottlenecks encountered in developing travel information services industry.