What should be done with permanent signs that are no longer applicable?

When permanent signs are no longer applicable, the appropriate action is to remove or cover them. This practice ensures that the roadway environment remains clear and unambiguous for drivers and pedestrians. Signs that are outdated or irrelevant can lead to confusion and potentially dangerous situations, as they might convey incorrect information regarding traffic rules, directions, or hazards.

Taking down or covering signs that no longer serve a purpose helps to maintain the integrity of the signage system, making it easier for users to navigate. It also aligns with best practices in transportation management, where effective communication is critical to safety. Keeping unnecessary signage can detract from the visibility of relevant and current signs, contributing to a less efficient traffic flow and increasing the risk of accidents.