1) American invention
Found on
https://www.crosswordclues.com/clue/jersey-barrier
A Jersey barrier or Jersey wall is a modular concrete or plastic barrier employed to separate lanes of traffic. It is designed to minimize vehicle damage in cases of incidental contact while still preventing the crossover case of a head-on collision. Jersey barriers are also used to reroute traffic and protect pedestrians during highway constructi...
Found on
http://en.wikipedia.org/wiki/Jersey_barrier
No exact match found.
