Can confirm. In Canada, at least for big highways, there's always a definite article ("take the 401 until Yonge") meanwhile for side roads you never use the def

Can confirm. In Canada, at least for big highways, there's always a definite article ("take the 401 until Yonge") meanwhile for side roads you never use the definite article. In the states, I've noticed that named roads get the article, but not interstates ("take I-81 north until Syracuse").