本文件描述了智能城市智能交通系统（ITS）服务应用的基本角色模型，作为智能城市实例化的通用平台，通过安全的ITS接口直接通信。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document describes a basic role model of smart city intelligent transport systems (ITS) service applications as a common platform for smart city instantiation, directly communicating via secure ITS interfaces.All current amendments available at time of purchase are included with the purchase of this document.