理想状况?    Ideal Condition?

高铁站区联外改善计划?    Improvement Projects of Access Road System to HSR Station Districts?

事件?    Incident?

指示标志?    Indication sign?

服务台?    Information center?

信息流?    Information Flow?

中心车道?    Inner lane?

现地?    In-situ?

智能型运输系统?    Intelligent Transportation System, ITS?

截水沟?    Intercepting Ditch?

交流道?    Interchange?

长途客运（业）?    Intercity bus industry?

公路客运汽车?    Intercity Bus?

因特网通讯协议?    Internet Protocol (IP)?

因特网服务业者?    Internet Service Provider (ISP)?

因特网?    Internet?

交叉路口?    Intersection?