採用黃色底色，引導車輛使用替代路線，並在繞過封閉或受阻礙道路後重回原來路線的標誌。
A sign with a yellow background that guides vehicles along an alternative route, rejoining the normal route after a closed road or obstruction.
採用黃色底色，引導車輛使用替代路線，並在繞過封閉或受阻礙道路後重回原來路線的標誌。
A sign with a yellow background that guides vehicles along an alternative route, rejoining the normal route after a closed road or obstruction.