急がば地下道へ回れ、と思いそうです If you hurry, you might think you should go around the underground passage. 信号待ちは1分以上となりますが、それ位待てば青信号に変わるので、体力のムダでしょう You will have to wait for more than a minute at the traffic light, but you can pass by if you wait that long, so it's probably a waste of your physical strength.