What does SO2 mean in Transportation?

This page is about the meanings of the acronym/abbreviation/shorthand SO2 in the Governmental field in general and in the Transportation terminology in particular.

Sulfur Dioxide

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What does SO2 mean?

sul′fur diox′ide(n.)
a colorless, nonflammable, water-soluble, suffocating gas, SO2, formed when sulfur burns: used chiefly in the manufacture of chemicals such as sulfuric acid, in preserving fruits and vegetables, and in bleaching, disinfecting, and fumigating.

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"SO2." Abbreviations.com. STANDS4 LLC, 2014. Web. 19 Dec. 2014. <http://www.abbreviations.com/term/49144>.

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