For centuries, Roman roads have shaped landscapes and exchanges across Europe. In England, their imprint did not erase with the fall of the Empire in the 5th century. A recent study by Eljas Oksanen (University of Helsinki) and Stuart Brookes (University College London) reveals, through the analysis of the Kegh Map of the 15th century, that almost a third of the medieval routes still followed these former traces.
Roads, living vestiges of a missing empire
When the Roman administration collapsed in Brittany at the beginning of the 5th century, its departure marked the end of a centralized power. But not that of its infrastructure. Among the most durable material inheritances, Roman roads, built for military logistics and commercial efficiency, retain a tangible influence well after the disappearance of legions. These ways, paved with rigor and thoughts to last, crossed the territory according to a logic of connectivity and imperial control. However, it is not their only robustness that explains their longevity.
The recent study shows that almost a third of the roads visible on the Gough Map From the 15th century took up the layout of these ancient Roman paths. This medieval map, made on a parchment and covering the whole of Great Britain, is distinguished by a remarkable level of detail for the time. It identifies more than 600 localities and connects many of them by red lines, now interpreted as traffic axes. Unlike symbolic or religious representations common in the Middle Ages, the Gough Map adopts a functional logic.
The researchers have mobilized modern methods to make this old document speak: geographic information systems (GIS), analysis of place names, legal texts, and distribution of archaeological discoveries, especially monetary. This approach made it possible to verify the correspondence between the red lines of the card and well documented sections of the Roman network.
This observation is not based on a simple passive transmission. It illustrates how medieval communities have actively maintained, reused or reinterpreted these routes according to their own logics. They are less frozen survival than elements reintegrated into evolutionary networks. The Roman road thus becomes a living tool, adapted to local needs, and not a fossilized relic in the landscape.
Selective and territorialized continuity
The survival of Roman roads in medieval England cannot be explained neither by their quality of construction alone, nor by a linear transmission of antiquity in the Middle Ages. It results from a tangle of deeply localized political, geographic and human factors. As the authors point out, the continuity observed on certain sections comes from territorial dynamics specific to each region.
Thus, in the Thames Valley, however at the heart of the ancient network, many Roman roads are abandoned. Two major elements explain it: the rise of river transport, more suitable for certain goods, and geopolitical instability. For several centuries, this area served as a fluctuating border between the kingdoms of Wessex and Mercie. It limited investments in land infrastructure.
© © Public Domain / Wikimedia Commons© Public Domain / Wikimedia Commons
Conversely, in politically more stable regions, the ancient roads have been largely reused. This is worth in particular for the axes connecting London, Leicester or Winchester. These cities, which have retained urban continuity since Roman times, have offered a stable anchoring allowing the perpetuation of routes. The researchers recall that the conservation of the urban fabric played a structuring role in maintaining land connections.
On the other hand, where the ancient centers have been abandoned or moved – such as SorvioDunum (near Salisbury) or Venta Icenorum (Caistor St Edmund) – the roads have lost their relevance. Oksanen and Brookes specify that ” The sustainability of the Roman roads was intimately linked to the trajectory of the cities themselves ». Where the urban poles have changed, the mobility logics have been redirected, resulting in the gradual erasure of the ancient traces.
Natural factors and human choice on the roads
Beyond these human dynamics, natural conditions have largely influenced the sustainability of Roman roads in medieval England. The geological characteristics of the soil have often determined the fate of the ancient ways. The roads established on chalky, well -drained and stable terrains, have better resisted the test of time. On the other hand, those crossing clay and humid soils were quickly made impassable, then abandoned.
However, researchers insist. These physical constraints do not explain everything. The true engine of continuity or disappearance of roads remains human action. Through repeated and often pragmatic choices, medieval communities have adapted the use of the territory. “” It was not a heritage imposed by the Empire, but shaped by daily use “Write the authors. These choices met local needs: access to markets, security of journeys, agricultural conditions, or even density of religious establishments.
The importance of these decisions is also measured through the material traces left in the landscape. The researchers notably studied the spatial distribution of thousands of medieval pieces discovered by prospectors. These artifacts are frequently concentrated near the old Roman routes, testifying to a continuous attendance of these axes, especially from the 11th century. This coincides with a renewal of exchanges, pilgrimages and commercial mobility.
It is therefore ordinary practices – cultivating, trading, praying, traveling – that have revived these old ways. By superimposing the inherited structures, they have enrolled them in a new social and economic framework. The relics of the Empire became active tools of medieval society.
The card as a time machine
The rediscovery of the Gough Map goes beyond the simple framework of the cartographic study. By revealing the deep logics of displacement over the centuries, it became a key tool to understand how societies appropriate, transform and perpetuate their territories. This 15th century map ceases to be an isolated object in a window. She regains her primary function – document a world in movement.
The researchers' approach is part of a larger movement on a European scale, with projects such as VIBUNDUS Or Itiner-ewhich aim to reconstruct the historic circulation networks through the continent.
These digital tools open up new perspectives. By crossing cards, texts, objects and spatial data, they allow you to recompose lived geographies. Geographies often absent from major historical stories. It is no longer just the road to power or commerce that we retrace. These are the roads of peasants, pilgrims, hawkers. The roads of those whose steps, repeated over centuries, have maintained the old living paths.
There Gough Map This becomes much more than medieval curiosity: it acts as an interface between past and present. It shows us that the landscapes that we believe frozen are actually the product of daily choice, accumulated on generations. It recalls, in hollow, that human mobility lastingly shapes space. And that the oldest cards can still light up the roads of tomorrow.
Source: Eljas Oksanen, Stuart Brookes. “” “The afterlife of Roman roads in England: Insights from the fifteenth-century gough map of Great Britain ”. Journal of Archaeological Science. Volume 179, July 2025, 106227.
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