Parking will be restricted Friday on a dozen streets in Butler for street cleaning, according to the city streets department.

From 7 a.m. to 3 p.m., parking will be restricted on Pillow Street, Negley Avenue, Virginia Avenue, Diamond Street, Vogely Street between Washington and Race streets, Birch Street between Washington and Cunningham streets, Shore Street between Madison and Diamond streets, Quarry Street between Washington Street and Center Avenue, Brush Street between Jackson and Liberty streets, Walker Avenue, Fairview Avenue and Brown Avenue.