While US 20 isn't a freeway through downtown Dubuque, Iowa, large freeway-style signs are used. A detour sign refers to an exit on the US 61 quasi-freeway that separates the downtown area from the riverfront.
This photo was taken in June 2013.
While US 20 isn't a freeway through downtown Dubuque, Iowa, large freeway-style signs are used. A detour sign refers to an exit on the US 61 quasi-freeway that separates the downtown area from the riverfront.
This photo was taken in June 2013.