Dynamic Message Signs at Highway Speeds: Legibility, Message Load, and Night Dimming
Dynamic Message Signs at Highway Speeds: Legibility, Message Load, and Night Dimming Dynamic message signs must deliver a clear instruction before drivers reach the decision point. Highway speed, darkness, weather, and limited sight distance reduce reading time. Effective signs use concise messages, legible characters, controlled phase timing, automatic dimming, and field testing. These factors support […]