Who can put an accident sign up?

誰有權設置事故警示牌？

閱讀相關知識

Travel at 20 km/h or less until past the site. The sign does not establish a fixed distance to the crash.

看到這種警示應以每小時20公里或更低速度行駛，直到駛過現場；不能僅憑該牌推斷固定設置在幾百米外。