“来往行驶”可以翻译为 “travel back and forth” 或 “run to and fro” ，也可根据具体语境表达为 “go back and forth (on the road/between two places)” 。以下为具体解析：
* travel back and forth：这是一个较为通用的表达，适用于描述车辆、人员等在两个地点之间来回移动。例如，“The buses travel back and forth between the city center and the suburbs.（公交车在城市中心和郊区之间来往行驶。）”
* run to and fro：这个表达略显口语化，但同样能传达来回行驶的意思。不过，在正式场合或书面语中，“travel back and forth”可能更为常用。
* go back and forth (on the road/between two places)：这个表达更加具体，明确指出了行驶的路线或地点。例如，“The cars go back and forth on the highway.（汽车在高速公路上来往行驶。）” 或 “The ferries go back and forth between the island and the mainland.（渡轮在岛屿和大陆之间来往行驶。）”