5. The southbound slip roads are—
(a)the on-slip roads which connect—
(i)the A638 with the southbound carriageway of the M1 at junction 40;
(ii)the A650 with the southbound carriageway of the M1 at junction 41;
(iii)the M62 at Lofthouse Interchange with the southbound carriageway of the M1 at junction 42.
(b)the off-slip roads which connect the southbound carriageway of the M1 at—
(i)junction 39 with the A636;
(ii)junction 40 with the A638;
(iii)junction 41 with the A650.