Rear view of a US Post Office mail delivery truck - Stock image
Web Address, Blue, Brand-name, Cambridge - Massachusetts, Color Image
Cambridge, Massachusetts, USA - August 10, 2014: United States Post Office mail delivery truck awaits deployment in Cambridge, Massachusetts. With almost 580,000 employees, the United States Postal Service (USPS) is the second largest civilian employer in the United States. It processed 158 billion mailpieces in 2013.