Not all roads lead to Rome: Research challenges what we think we know about Roman roads

A new study published in Nature Communications challenges the common perception that all Roman roads were straight and that Rome was the central hub of the empire's land transportation network. Researchers from Aarhus University, Queen Mary University of London, and other European institutions analyzed an extensive dataset representing almost 300,000 kilometers of Roman roads across the former empire.

Using advanced network analysis, they found that the Roman road system was far more complex and adapted to the landscape than previously thought. While engineers often preferred straight routes, the roads were generally less straight than modern highways, with mountains, valleys, rivers, and settlements significantly influencing their paths.

The analysis reveals that provincial capitals and main roads served as vital crossroads, mediating regional communications and demonstrating a system-level decision-making process in network development. Contrary to popular belief, Rome was not the dominant hub; rather, Byzantium emerged as more central to empire-wide land mobility.

The study also shows a moderate correlation between Roman and modern transport infrastructure, although this relationship varies greatly across different regions due to local factors such as geography, city growth, and shifting political and economic priorities. This research, which relies on a highly detailed digital dataset covering the entire empire, provides a fresh perspective on how infrastructure can shape societies and highlights the lasting influence of ancient decisions on today's landscapes.