Mareham LaneMareham Lane is an unclassified road between Graby and Sleaford in Lincolnshire, England. It is approximately long.The Roman RoadFor most of its length Mareham Lane follows the route of a minor Roman road, and the name is also used for that Roman road from Bourne to the original ford at Sleaford and perhaps on to Lincoln.Margary numbersallocated the following Margary numbers in his classification scheme: RR260 Bourne-SleafordRR262 Sleaford-Bracebridge HeathRoute details