K-rail
K-rail · K-rails
A concrete barrier used to separate lanes of trafficA concrete barrier used to separate lanes of traffic.
Meaning
1 sensesA concrete barrier used to separate lanes of traffic.
Origin
This term is stipulated in a specification of the California Department of Transportation,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.
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