SU 9018 is part of one of four road layers superimposed between the first and latest phases of the Via Gabina. Bulk ceramic finds suggest a date of between between 4th and mid 1st Century BCE. The preparation consists of layer of gravel, crushed ceramic and earth.
SU 9018 is a layer of mostly luchitite and tufo inclusions, sitting on bedrock. It appears to be a preparation layer for the earliest constructed road.
Layer of luchitite and other types of inclusions.
Photomodel of the trench after excavation