(DIRECT) [adjective] [not gradable] - going directly from one place to anotherIf you travel on a through train, you stay on the same train for the whole journey.No through (UK) road/(UK and ANZ) way (US No through traffic/No thoroughfare) means that one end of the road or path is blocked so that you cannot get through.A through route is a road which avoids a town centre.Through traffic is traffic which does not want to stop in a town.
THROUGH
Meaning of THROUGH in English
Cambridge English vocab. Кембриджский английский словарь. 2012