Valley City Traffic signal inoperable Main St & 8 Ave SW July 18, 2017 2:20 pm by KCSi News Views: 0 Valley City (CSi) Due to installing a new traffic signal, the intersection of Main Street and 8th Ave SW will become a 3-way stop controlled by signs starting Weds July 19. Work is expected to take approximately one month. FacebookShare on XLinkedInWhatsAppEmailCopy Link