IPA: /ˈθɜːrəfɛə/
KK: /ˈθɜroʊfɛr/
A main road or public highway that is used for traveling from one place to another.
The new thoroughfare will make it easier for commuters to reach the city.
Thoroughfare → It is formed from "thorough" (from Old English *þurh*, meaning through) and "fare" (from Old English *faran*, meaning to journey or travel). The word "thoroughfare" refers to a route or passage that allows for travel through an area.
Think of a path that allows you to travel 'through' ('thorough') an area — that's what a thoroughfare is.