These included the Midland and Great Northern Joint Railway (M&GN), a London, Midland and Scottish Railway/London and North Eastern Railway joint line in eastern England, the largest of the joint railways in terms of route mileage; the Cheshire Lines Committee (CLC), LMS/LNER joint line in Lancashire and Cheshire, largest in terms of both passenger and freight traffic; and the Somerset and Dorset Joint Railway (S&DJR), a joint LMS/SR line in south-western England.