Start on A.228 west of Grain village 14 metres north of the lamppost GFY26 on the Strood bound carriageway, by a minor access road to the National Grid site, where the continuous white road edge line starts. Proceed west on A228 to turn at Fenn Corner roundabout (5.07 miles). (M) Retrace on A.228 to finish directly opposite the lamppost GFY19 (situated on Strood bound carriageway) (10 miles).