sentences:  The canal leaves the motorway for a while to pass through the centre of Penkridge, where there are two locks, and one more to the north before the motorway crosses to its west bank.After two more locks and the village of Acton Trussell the motorway turns to the west to bypass Stafford, and the canal becomes peaceful again.Immediately after Deptmore Lock, the canal crosses a tributary of the River Penk, which has been close by since Penkridge.