Rome's military might would be greatly increased by having an advanced communication and transportation network, which would enable quick troop deployment and effective logistics.
Rome would need a strong communication and transportation network to keep control of its vast empire and to improve its military prowess. It would help achieve total strategic superiority, effective logistics, and quick army deployment.
A network like this would provide the empire complete control and security, enable the transfer of troops and equipment to far-off boundaries, enable prompt responses to challenges, and offer a strategic edge.