contraflow

1. (countable, uncountable)Flow in the opposite direction to normal.

   Example: Contra-flow cycling is most often applied on basic cycle network links in low-speed local access roads, both within and outside the built-up area (European English)

2. (countable, uncountable)An abnormal state of a road or motorway where the traffic temporarily travels in the opposite direction to normal, usually as a result of repair work or an accident.

regular