Not a road in any monumental sense, but a togher, the Irish term for a wooden trackway built across wet or waterlogged ground. What makes the Killoran example quietly remarkable is that it was not simply constructed and left alone. The excavated evidence shows it was extended and repaired over time, suggesting it served a community long enough to need maintenance, perhaps across several generations.

The trackway was built from bundles of brushwood and roundwood laid lengthways and held in place with pegs driven irregularly into the ground, a practical rather than precise construction, adapted as needs changed. Radiocarbon dating placed it between 1500 and 1195 BC, placing its use firmly in the middle Bronze Age. The excavation, recorded by Cross in 1999, also found that the trackway overlay pits filled with burnt stone. These pits are associated with a nearby fulacht fia, a type of prehistoric cooking or hot-water site, typically identified by a mound of fire-cracked stone beside a trough or pit, which were once among the most common archaeological monuments in the Irish landscape. The association between the trackway and the fulacht fia suggests the road may have provided access to that site across ground that would otherwise have been difficult to cross on foot.

Bog conditions can preserve organic material for millennia, and it is precisely because of the wet, oxygen-poor environment that the brushwood and roundwood survived at all. The same qualities that made this terrain awkward for Bronze Age travellers made it an inadvertent archive, holding the shape of their solution in place for over three thousand years.