Many years ago I proposed to the United States Postal Service special collection boxes to solve a few problems PO Box holders always have in stations: misdirected mail and mail for the previous box holder and what to do with this mail after the retail section closes.
It took seven-months to finally get someone to listen. That was in 1996. As I type today in 2014, these special collection boxes are still in use. It was a victory for the consumer, but not easily achieved. The full story is available in an e-article on Amazon here: http://www.amazon.com/dp/B00MT5JHU8