近几年来,随着我国交通运输业的发展,国内纷纷建立起了一些公众交通信息服务平台。通过对提供此类服务的交通信息服务网站、声讯信息服务、动态交通信息服务商、移动电视/广播信息服务等四大类平台进行的调研分析,这些平台除提供地图查询、出行地指南、天气预报、车船班次、收费站等基本交通信息查询外,部分还结合了GPS定位服务,提供车辆定位及路线导航服务。但这些平台无论是服务内容、服务范围,还是服务手段、服务形式上,其先进性、准确性都处于起步阶段。相应的服 In recent years, with the development of China’s transportation industry, some domestic public transportation information service platforms have been set up one after another. Through the investigation and analysis of the four major types of platforms providing such services, such as the traffic information service website, the voice information service, the dynamic traffic information service provider, and the mobile television / broadcasting information service, these platforms provide maps, travel directions, weather Forecast, train trips, toll stations and other basic traffic information inquiries, some also combined with GPS positioning services to provide vehicle positioning and route navigation services. However, these platforms, regardless of service content, service range, or service means, service forms, its advanced nature and accuracy are in its infancy. The corresponding service