Yellow Box Junction

I wonder if yellow box junctions built around cities and towns in Malaysia are properly regulated. There are so many of such junctions within a short distance of each other, a good example is along Jalan Ampang, that it has become a gridlock. You see the box not only at major junctions with traffic lights but also at almost every exit points from office buildings, private apartments and private schools into the main roads. Ironically you also get this boxes drawn five metres before a traffic light. All this certainly defeat the purpose of setting up a yellow box junction, which is to remove the traffic gridlock.

I learn that yellow box junctions was first introduced in UK to help clear traffic flow at major intersections. Vehicles may not enter the area unless their exit from the junction is clear except when one is prevented from doing so by oncoming vehicles.

Given the continuous flow of oncoming traffic along Jalan Ampang if you are turning right at any of this yellow boxes which is not part of a major junctions, you will get stuck in the box. This is why I believe you see traffic congestion on this road most of the time. The yellow boxes has become a traffic obstructions.

I trust that there is already a provision under our traffic law to require motorist to observe whatever is required when crossing the yellow box. I also hope that this law has been incorporated into a highway code and sufficient publicity is given on the correct way to use it.
The only question to be answered is how did the local authorities decide where to place this boxes. As it is now the yellow box junction creates more problems with the traffic flow and the motorist using it because the boxes are placed arbitrarily.
Removing this obstacles do not require huge investment and will go a long way towards improving traffic flow in KL and the services of Rapid KL too.