A regular signage inspection should be scheduled in your maintenance calendar as part of your workplace health and safety plan.
Signage, posts and brackets including; fixings, nuts, bolts or screws etc should all be kept in good, clean and safe condition at all times. Any signs that may be damaged, faded, vandalised, missing or broken etc should be repaired or replaced immediately. Any sign fixings, posts or brackets that are damaged, rusted or loose should be replaced, tightened or reinstalled immediately.