I couldn't take the road I usually take because it was under construction. I had to take a detour all the way around to get home.
この場合、次のような言い方ができますよ。
ーI couldn't take the road I usually take because it was under construction. I had to take a detour all the way around to get home.
「いつも通る道が工事で通れなかったので、家に帰るのにぐるっと回り道をしなければいけなかった」
the road I usually take で「いつも通る道」
to take a detour で「遠回りをする・回り道をする」
ご参考まで！
カナダ 
