contraflow
contra|flow /k'ɒntrəfloʊ/ (contraflows)
[N-COUNT]
A contraflow is a situation in which vehicles travelling on a main road in one direction have to use lanes that are normally used by traffic travelling in the opposite direction, because the road is being repaired. (BRIT)
...a contraflow between Junctions Eleven and Twelve of the M5.
[N-COUNT]
A contraflow is a situation in which vehicles travelling on a main road in one direction have to use lanes that are normally used by traffic travelling in the opposite direction, because the road is being repaired. (BRIT)
...a contraflow between Junctions Eleven and Twelve of the M5.