Slide (31 of 125)
This particular mine used a left-hand traffic
pattern which, in this case, properly placed the
empty trucks on the outside edge, the weaker part
of the road. Left-hand traffic does have the
general advantage of placing operators cabs on
opposite sides of the road for oncoming traffic.
If there were a head-on collision or a sideswipe,
you wouldnt have operators cab hitting operators cab.
|Any time you put a curve in a haul road, you must make the curve wider than the straight stretch, because the back wheels dont follow the front wheels around a curve. The back wheels cut the angle to a certain extent. A curve needs to be wider than a straight stretch of the road to provide adequate side clearance.|