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
Synonyms
- Jersey barrier
- parabolic concrete barrier
Hyponyms
- concrete step barrier
- constant-slope barrier
- F-shape barrier
- Jersey barrier
- Jersey bump
- Jersey curb
- Jersey wall
- Ontario tall wall