Studies in Ancient Hindu Polity (Based on the Arthashastra of Kautilya), Vol. I c9.s2.1

c9.s2.1

From the above it appears that the vast territories over which Chandra Gupta held sway were interconnected by a system of communications, which was one of the chief means of welding them together into one mighty empire governed from its centre at Pāṭaliputra. The means of communication thus established had, as I have already said, not merely a political significance; they helped to create and carry a large volume of inland trade which was equally instrumental in uniting the different parts of the empire in ties of common material interests.