Mail train
# Mail train

Many countries have had dedicated railway services for the delivery of postal mail.

Examples include:

* In Austria, the Bahnpost (Austria) [de] (1850–2004)
* In France, the SNCF TGV La Poste (1984–2015) were rail cars built specifically for La Poste, which had run rail services since 1846
* In Germany, as well as the Bahnpost (Germany) [de] (from 1840s), several cities have their own mail trains, including:
   * Poststraßenbahn Berlin [de] in Berlin
   * Post-U-Bahn München [de] in Munich
* In Switzerland, the Bahnpost (Switzerland) [de] has run since 1847
* In the United Kingdom, the Travelling Post Office (1830–2004) was a service where post was sorted en route
   * The London Post Office Railway (1927–2003) operated in dedicated tunnels under London
* In the United States, the Railway Mail Service (1862–1978) of the United States Postal Service carried the vast majority of mail from the 1890s until the 1960s
   * The Railway Mail Service used railway post offices within passenger services to sort post en route
   * The use of the Chicago Tunnel Company for mail freight inspired the London Post Office Railway
