South 20th Street in Quincy, Illinois

South 20th Street in Quincy is a residential street. It runs in a north-south direction starting from North 20th Street and crosses Maine Street, Jersey Street, Prairie Avenue, Grove Avenue, Kentucky Street, State Street, Ohio Street, Payson Avenue, Washington Street, Jefferson Street and Madison Street. South 20th Street also exists in Hancock County, Macon County, Saint Clair County, Williamson County and Jefferson County.