Every drop of paint used on or around the road should have some purpose, should communicate something to the road users. If you look at the kerbstones, you would find a lot of paint wasted in creating the black/white or black/yellow stripes. As far as I know, the black/yellow or black/white paint patterns don't communicate anything to road users or drivers.

I must confess that for long as millions like others, I too had considered the Knowledge of signs would suffice to instill a sense of driving discipline on roads. Having come to US, where apart from the rudimentary knowledge of road signs, there are other important skills that one needs to acquire and practice it for a true discipline driver.

Talking of vehicle movements, one need not addressed very well yet inside Bangalore city is separation of long-distance movements with local movements. One way this might be getting done today for goods movement  is by routing their city entry from the point nearest to destination on Outer Ring Road.