Washington Danger, Construction Area Authorized Personnel Only is a warning sign used to alert people to the potential hazards of entering a construction area. This sign is used to notify people that only workers authorized by the construction company are allowed to enter the area. There are two types of Washington Danger, Construction Area Authorized Personnel Only signs: one with a red background and one with a yellow background. The red sign indicates that the area is closed to all unauthorized personnel and the yellow sign indicates that the area is restricted to authorized personnel only. Both signs feature the text “Washington Danger, Construction Area Authorized Personnel Only” in bold black letters.




