half-length barrier, half-length boom a barrier or boom that only extends halfway across the road; designed to only block one lane on a two-lane road
half-length barrier, half-length boom a barrier or boom that only extends halfway across the road; designed to only block one lane on a two-lane road
half-length barrier, half-length boom a barrier or boom that only extends halfway across the road; designed to only block one lane on a two-lane road
half-length barrier, half-length boom a barrier or boom that only extends halfway across the road; designed to only block one lane on a two-lane road