768. Clearances in transport roads in coal mines.

For mines of coal, regulations1 prescribe clearances for underground roads2 in which vehicles run on rails or conveyors are operated3. For this purpose 'clearance' means a continuous4 clear space5 between: (1) any side of the road, or anything supporting that side, and any vehicle or conveyor; (2) vehicles on adjacent tracks; (3) adjacent conveyors; and (4) any conveyor and any vehicle on an adjacent track6. The regulations provide separately for new roads and old roads. Roads7 made or enlarged after 30 April 1960 for specified transport uses8 are referred to as 'new roads'9; all other roads are referred to