K-rail

English Etymology This term is stipulated in a specification of the California Department of Transportation, who first started using concrete median barriers in the mid-1940s. The reason for the letter K is uncertain. Noun A en concrete en barrier used to separate lanes of en traffic. Synonyms en Jersey barrier en parabolic concrete barrier Hyponyms en Jersey barrier Jersey bump Jersey curb Jersey wall Ontario tall wall F-shape barrier constant-slope barrier concrete step barrier Anagrams en aiklr Karli en terms derived from the shape of letters