Transportation is critical to good mail service. Among the National Postal Museum's artifacts are a number of different vehicles that have carried the mail.
February 22, 2006 — Permanent
In the 1920s and 1930s, funds from airmail contracts breathed life into the nation's fledgling commercial aviation industry.
July 30, 1993 — Permanent
The Railway Mail Service revolutionized the way mail was processed by sorting mail aboard moving trains. The National Postal Museum re-created a railway mail train in its Atrium. The interior fixtures is from a de-commissioned mail car. The exterior portion of the Railway Post Office train was created by Smithsonian artisans.