What is the visibility distance for Type B arrow boards?

The visibility distance for Type B arrow boards is 3/4 mile. This means that the board is designed to be clearly visible to approaching drivers from a distance of up to 3/4 mile under standard conditions, ensuring that they have sufficient time to react to the displayed message or instructions. Type B arrow boards are commonly used in work zones to direct traffic or indicate hazards, and their visibility is crucial for maintaining safety in areas where traffic patterns may be altered. This long visibility distance helps to provide clear warnings in advance of a work zone, facilitating smoother transitions and reducing the likelihood of accidents.