Yeah being stuck behind one with 3 trailers is bad enuf. When empty the last trailer can get up a fair bit of sway.
My introduction to darwin years ago was being stuck behind one. Never forget it, it was pelting down (Darwin is tropical so when it rains....) Then missus was driving at 60 km/h, u couldnt see your hand in front of your face, then of course there was the spray being thrown up by the truck.
Cars were overtaking us and the truck, how they could see better is beyond me. After living there for a while came to the conclusion many of em were nuts. 60 clicks meant 90. The intro of speed cameras not long after obvoiusly changed things.
Now days up thru the centre of OZ its 130 km/h limit, back when I lived up there it was of a case of what limit? outside of towns. The fun police finally caught up!!!!!