For those interested this is the route I am going to be doing on Saturday. Not the most direct, but probably the easiest. http://maps.google.co.uk/maps?f=d&hl=en&geocode=7069779204714438105,52.934647,-1.498522%3B213737191762219213,52.930150,-1.484850%3B16028963046968504814,52.923787,-1.455270%3B15267607030783223584,52.870883,-1.394745&saddr=DE22+4AA&daddr=Unknown+road+%4052.934647,+-1.498522+to:Kedleston+Rd+%4052.930150,+-1.484850+to:A52+%4052.923787,+-1.455270+to:52.871746,-1.387239+to:DE74+2RP&mra=dme&mrcr=0&mrsp=4&sz=15&via=1,2,3,4&sll=52.867109,-1.390543&sspn=0.019611,0.040169&ie=UTF8&ll=52.925153,-1.465473&spn=0.03917,0.080338&z=14