“此路不通”英语怎样说？(2)

Didn"t you notice that this road is
closed ahead?
你难道没有注意到这条路前方已经封了吗？
The road was closed to traffic
after the accident, and the police were warning everyone off.
事故发生后，那条路禁止通行，警察不让任何人到那里去。