单选题 · 选择一个答案
When coming up to a one-lane bridge, what does this sign indicate?
当你驶近一座单车道桥梁的时候，这个标识指示什么？
The warning identifies a one-lane bridge; the blue white-arrow sign gives your direction priority.
黄色标志警告前方是单车道桥，蓝色大白箭头说明本方向有先行条件。
阅读相关知识
Slow and check before entering. Wait for opposing vehicles already on the bridge rather than forcing your priority.
上桥前必须减速并检查桥面。若对向车已在桥上，应等待桥面清空，不能只凭自己的优先标志直接驶入。