highway bus公路局汽车highwayn.公路；(水陆空)直接航线或路线highway passenger transportation hub公路客运枢纽Highway Side Slope Protection Design公路边坡防护设计Highway greening and plant protection公路绿化与植物防护highway information management system公路信息管理Highways radiate in all directions.公路四通八达。highway transportation infrastructure公路交通基础设施highway planning and design institute公路规划设计院highway pPassenger transportation hub公路客运枢纽highway embankment and associated area公路路堤及有关地带highway transportation volume forecast公路运量预测