Those parts of South and West Yorkshire, Lincolnshire, Nottinghamshire and Derbyshire. Bounded by : On the North by A628 from Salters Brook Bridge to A629 at Hoylandswaine Island. Straight lines to A628/A638 at Ackworth Moor Top Island, to A19/M62 at Whitley Island. M62 to M18 (junction 35) and straight line to River Ouse at Old Goole and by the Humbe r to the sea. On the South from the A52/A1111 at Sutton on Sea westwards by a straight line to the A57/B1241 junction in Saxilby and further to Dunham Bridge then by A57, A6075 via Tuxford to A614/A616 at Ollerton Island. Straight line to A6/A615 at Matloc k. A6 via Bakewell to junction with A5270 at Blackwell. On the West by straight lines from A6/A5270 at Blackwell to A623 at Sparrowpit and A628 at Salters Brook Bridge.