What does LM mean in Transportation?
This page is about the meanings of the acronym/abbreviation/shorthand LM in the Governmental field in general and in the Transportation terminology in particular.
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What does LM mean?
- lumen, lm(noun)
- a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions