|From:||Fitzalan Square (SK356875)|
|To:||Park Square (SK359875)|
|Distance:||0.1 miles (0.2 km)|
|Route outline (key)|
Although Commercial Street was still classified in the 1990s, the number A6020 was moved to a road in Derbyshire in the 1930s, suggesting that Commercial Street quickly gained a different number - the most likely is that it became a spur of the A57. The road has since been declassified.