impassable road
noun phraseUK /ɪmˈpɑːsəbl rəʊd/
US /ɪmˈpæsəbl roʊd/
A road that you cannot travel on because something blocks it.
The flood made the impassable road too dangerous for cars.
OTHER MEANINGS
2. A road that is too damaged or rough for vehicles to cross.
After the earthquake, the impassable road was closed for repairs.
3. A route that cannot be crossed on foot because of deep snow or mud.
Hikers turned back when they reached the impassable road.
4. A path blocked by fallen trees or rocks.
The storm left an impassable road through the forest.