What does NN mean in Railroads?
This page is about the meanings of the acronym/abbreviation/shorthand NN in the Regional field in general and in the Railroads terminology in particular.
Find a translation for NN in other languages:
Select another language:
Discuss this NN abbreviation with the community:
Use the citation below to add this abbreviation to your bibliography:
NN also stands for:
... and 49 more »