Togher is an Anglicisation of the Irish tóchar, meaning a causeway, and these structures represent some of the oldest engineered routes in Ireland, with examples elsewhere in the country dating back thousands of years. The one recorded at Derrycunlagh is classified as a class 3 togher, a designation used by archaeologists to describe a particular constructional form, though the specifics of this example remain incompletely documented in the public record.

Bog roads of this kind were built out of practical necessity in a landscape shaped by glaciation and heavy rainfall, where raised and blanket bogs spread across vast stretches of the west of Ireland. The peat that makes these environments so difficult to cross also makes them extraordinary preservers of organic material, and togher timbers recovered from Irish bogs have in many cases survived in remarkable condition, retaining tool marks and construction details that would have vanished in drier soils centuries ago. Derrycunlagh sits within this broader tradition of human effort to negotiate and inhabit the boglands of Connacht, and the presence of a recorded togher there speaks to a long history of movement and land use in an area that might otherwise seem remote or marginal.