You approach a crash site marked by a police CRASH or ACCIDENT warning sign. What speed must you use until you have passed the site?

接近警方以CRASH或ACCIDENT事故警告牌標示的現場時，直到駛過現場前，應採用什麼速度？

閱讀相關知識

Keep that low speed until past the site, watching rescuers, casualties and obstructions. The limit is not a target.

事故現場可能有救援人員、傷者或路障，需保持低速直到駛過現場。20公里是這一警告場景的上限，不是任何條件下都應達到的目標速度。