# Jersey barrier

> English word · Noun

## Definitions
1. A modular concrete or plastic barrier designed to create walls that separate lanes of traffic or to block traffic.
2. A Jersey wall; a wall composed of Jersey barriers that separates lanes of traffic.

## Etymology
From New Jersey (the location where the most popular design of such barriers originated) + barrier.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jersey-barrier