What does A mean in Transportation?
This page is about the meanings of the acronym/abbreviation/shorthand A in the Governmental field in general and in the Transportation terminology in particular.
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What does A mean?
- angstrom, angstrom unit, A(noun)
- a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation