In 100 AD, the Roman cursus publicus underwent refinements that optimized the imperial postal and relay system for rapid official dispatches across provinces. This system facilitated communication and governance throughout the vast Roman Empire, enhancing administrative efficiency. The improvements in the cursus publicus exemplify the Romans' commitment to infrastructure and logistics, which were crucial for maintaining control over their territories.

Refinements to the Roman cursus publicus around 100 AD facilitated the dissemination of Latin literature, which was foundational to Western poetry. This system allowed poets like Ovid and Virgil to reach broader audiences, shaping the literary landscape of the empire.