the track of a railway, including the ballast, sleepers, rails, etc
WordReference Random House Unabridged Dictionary of American English © 2025
per′manent way′, [Brit.]
- Rail Transportthe roadbed and track of a railroad.
- 1830–40
Collins Concise English Dictionary © HarperCollins Publishers::
'permanent way' also found in these entries (note: many are not synonyms or translations):