This week on Mailin' It, we discuss the pivotal role the Postal Service has played in shaping the history of transportation in the United States. What's truly fascinating is that the Postal Service wasn't just a passive observer in this journey of transportation evolution. It actively provided support to help transform these transportation innovations into thriving industries that would serve the American people. To shed light on this aspect of postal history, we’re joined by expert Dr. William (Bill) DeWitt, who has dedicated decades to the study and teaching of transportation. Get ready for an insightful conversation that will unveil the hidden gems of transportation history!