The road measures 8.45 miles long and would take a car obeying speed limits 19 minutes to travel its length.
The A670 is a A Road and is located in the Zone 6 Highways Region.
This is a true long-distance route, journeying through numerous towns like ASHTON-UNDER-LYNE, Mossley, Grasscroft, Greenfield, Uppermill, Dobcross, Diggle, and Delph.
The road is located entirely within Greater Manchester.