What does SO mean in Railroads?

This page is about the meanings of the acronym/abbreviation/shorthand SO in the Regional field in general and in the Railroads terminology in particular.

South Orient

Regional » Railroads


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"SO." Abbreviations.com. STANDS4 LLC, 2014. Web. 18 Dec. 2014. <http://www.abbreviations.com/term/54390>.

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