I made frustrating observation on our GC motorway and I wonder if that same apply to whole country or only locals are so dummy drivers.

Any time on motorway lines are merging from 3 lines to just two lines due to planned road works whole traffic grinds to almost standing still and cars merge at astonishing speed of 5 km /h.
Then after next few hundreds meters speed up againg to 100 km/h.
The most probable explanation for this phenomenon is inability to keep reasonable distance between vehicles, one tailgating so close another that if come to merging one has to stop to allow another to enter....

So be warn ! If you are going to our airport add extra 40 min on 30 min trip to allow unexpected (but permanent) traffic jam.
Should we introduce new warning plate beside
"L" and
"P" ? "
Q" that stands for Queensland dummy drivers ?