The state can control transport routes, but not all transport ation in general. Also, there should be private comm options, with many frequecies available for private users like HAM folks.

You’re still misunderstanding what is meant by “state” when Communists talk about it. The State is the collective self governance of the working class. The goal with the manifesto was to lay out a framework for using the existing power structures to destroy the monopolies and rule of capital.

The existence of private options implies the existence of a state enforcing the private rights of that company.