Evacuation process

As a add to my already itchy assholle with my 205th trip of the year I can't help to think there should be a posted notice on the bathroom wall explaining the evacuation process when the mayor is laying down one of his infamous dumps... It would say something like " please exit in an orderly manor do not panic and please try to stay calm. You may return to the said restroom in ten to fifteen minutes after the mayor vacates his office