I couldnt tell what line was what, and Im not sure the people in line themselves knew. 라멘 페스티벌에서는 자원봉사자를 파견해 '이런 식당, 저런 식당'이라는 팻말을 들고 있었어요. That what a customer knew what was the end of the line, and would get in it, seeing what they wanted.