USPS

The Post Office once used trains but no more, unlike the United Parcel Service (UPS). A new reports recommends that the Post Office return to their past, though not necessarily sorting the mail on the train like you might see in a rail museum.
Nov 11, 2014   Linns.com
The Postal Regulatory Commission approved of a two-year trial allowing the United States Postal Service to deliver groceries to homes in the morning.
Oct 25, 2014   The Washington Post
The U.S. Postal Service is selling 78 post office buildings, including the National Register listed Berkeley California Post Office building. 4,400 nationwide may be sold with many demolished. What can you do to save your favorite post office?
Nov 16, 2012   UrbDeZine.com