Peatland roads of this kind are among the more quietly remarkable survivals in the Irish archaeological record. Bogs are essentially anaerobic environments; without oxygen, the usual processes of decay slow almost to a halt, which means that timber, leather, and compacted stone or gravel can remain in recognisable condition for centuries, sometimes millennia, after they were last walked upon.

Trackways found within Irish boglands range in date from the Bronze Age through to the early modern period, and they reflect the practical challenge of moving people, animals, and goods across terrain that was, for much of the year, waterlogged and treacherous. Some were simple lines of timber planks laid end to end; others, like the Annaghcorrib example, used gravel and stone to create a firmer, more durable surface. The choice of materials often tells something about local resources and the anticipated weight of traffic. Annaghcorrib sits in a part of Galway where the bog was both a barrier and a resource, and a properly constructed trackway through it would have represented a significant communal or manorial investment.