Cantonment in metro Dhaka
It would greatly and immediately ease the nasty traffic congestion in the overcrowded capital. These areas eat up a huge part of the expanded city (population above 10 million) at critical crowded localities (near New Market, traffic to the airport and traffic from Mirpur). The old airport strip is also occupying a large area in the centre of the metropolis. Give up a part of it for wider public roads.
Changes have to be reviewed with the changing urban scenario every decade; as there is no point in being inflexible to dynamically changing local situation .
Expert committees can find the best solutions. Let us talk about it, for public awareness, barring the security aspects, which need not be revealed. It is a part of town-planning exercises, on paper, and in real time.