Which ancient empire is known for its extensive road systems facilitating trade and communication?

The Roman Empire is renowned for its extensive road systems that significantly facilitated trade and communication across its vast territories. The development of these roads, often constructed with remarkable engineering techniques, allowed for the efficient movement of armies, goods, and information. Major routes such as the famous Appian Way exemplified the sophisticated infrastructure that connected the capital, Rome, to various parts of the empire, promoting economic integration and political control. Furthermore, the roads served as a vital tool for spreading Roman culture and administrative efficiency, linking diverse regions and enabling a level of connectivity that was unprecedented for its time. This adaptability and foresight in road construction not only enhanced the empire's military capabilities but also contributed to its longevity and influence on subsequent civilizations.