铁路公路联运的

例句：

1. 1. The train and bus are connected by a special tunnel.
   火车和公交车通过一条特殊的隧道相连。
2. 2. The railway and highway are connected for the convenience of travel.
   铁路和高速公路相连，方便出行。
3. 3. The two modes of transportation are combined to provide better services.
   两种交通工具相结合，提供更好的服务。