non-traffic en · ADJ
Etymology
From non- + traffic.
Meanings
-
(alt-of, alternative, not-comparable) Alternative form of nontraffic.
alt of nontraffic
These features are, of course, being introduced gradually to existing tube lines but the work will take time to complete as it can only be undertaken in non-traffic hours.
1962 October, “London gets its Victoria tube”, in Modern Railways, page 258: