Proper noun
ATSF
Initialism of Atchison, Topeka and Santa Fe Railway.
In 1871, the Atchison, Topeka and Santa Fe (ATSF) line was building south, with an eventual goal of hooking up with the delayed Southern Pacific line, which was heading west to California from New Orleans. Source: Internet
Many years ago, the ATSF offered rail car ferry service from Point Richmond to San Francisco. Source: Internet
The track was formerly operated by the Atchison, Topeka and Santa Fe Railway (ATSF). Source: Internet