arrow board
Fetched 2026-10-26 (cache).
Datamuse reports no synonyms or antonyms for this word.
Noun
- A large [[programmable]] [[electronic]] [[sign]], often [[mount]]ed on a [[trailer]], displaying an [[illuminate]]d [[arrow]] pattern to direct [[traffic]] flow around [[construction]] zones, [[incident]]s, or otherwise [[closed]] [[road]] [[lane]]s.
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.