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This report presents the final results of an archaeological excavation undertaken at Berkeley 1, Co. Wexford, undertaken on behalf of Wexford County Council. The works were undertaken as part of Stages (iii)?(iv) of the Archaeological Services Contract prior to the commencement of construction of the N25 New Ross Bypass Road Scheme, which extends from Cappagh townland in Co. Kilkenny to Knockroe townland in Co. Wexford. The Minister of the Environment, Heritage and Local Government, following consultation with the National Museum of Ireland, issued Directions to Wexford County Council on 30 November 2009 for archaeological works relating to the road development. The registration number, E4120, was allocated by the Department for archaeological excavations at Berkeley 1 under the direction of Liam Hackett of Headland Archaeology (Ireland) Ltd. Following a constraint study and a route selection report, an Environmental Impact Study (EIS) was carried out on the preferred route, including chapters on the archaeological and architectural heritage (CRDS Ltd 2007a; 2007b). The EIS included recommendations for test?excavations along the entire route, survey of the townland boundaries and survey of a number of architectural/built heritage sites, which are to be done as part of Stage (i) work. This report presents the results of all these investigations. Archaeological test trenching of the route (including Wetland Test Excavation) was carried out by Headland Archaeology (Ireland) Ltd on behalf of Wexford County Council between 30 November and 18 December 2009 under Excavation Registration Number E4067. Access was not granted for the section of the route to the west of the River Suir at this time and no archaeological test trenching has been carried out in that area to date. The test excavations at Berkeley 1 identified a spread of burnt mound material and a former field boundary (Doyle et al. 2010). Stage (ii) stripping, cleaning and mapping of all areas of archaeological potential identified during test trenching was carried out by Headland Archaeology (Ireland) Ltd on behalf of Wexford County Council between 7 April and 30 April 2010. Stage (ii) works at Berkeley 1 re?identified the burnt spread, as well as a pit, two linear ditches and a field drain. Full archaeological excavation was undertaken at the site between 26 May and 1 June 2010; a preliminary report on the results of the excavation was submitted in August 2010. The area of excavation measured 600 m² revealing two phases of activity. Phase I comprised a trough, which had been cut by a large feature of uncertain function and a burnt spread, while Phase II comprised numerous linear features and drainage ditches. The trough was sub?rectangular in plan, with maximum dimensions of 2.67 m (WNW–ESE) by 1.73 m by 0.28 m deep. Three postholes were cut into the northern side of this feature. These varied from subcircular to sub?rectangular in plan, with average dimensions of 0.13 m by 0.10 m by 0.25 m deep; their fills contained small amounts of charcoal and uncharred wood fragments. The earliest deposit within the trough was confined to the central and south?eastern side; it contained oak and non?oak charcoal and fragments of very decayed wood, that possibly represent the remnants of a timber lining. The overlying deposit also contained inclusions of oak and non?oak charcoal, as well as heat?shattered stones. The northern edge of the trough was cut by a feature of unknown function. Its original shape in plan could not be established as it was truncated by a later linear feature to the northeast but appeared to be quite regular in plan, two corners were identified on its southwest side. No palaeoenvironmental, faunal or artefactual material was recovered from the fills of this feature and this along with the disturbance from the linear feature makes interpretation difficult; its function therefore remains uncertain Overlying the aforementioned features was the burnt spread. The earliest deposit of this measured 3.65 m in length (north?west–south?east), 2.10 m in width and 0.02 m to 0.08 m in depth and consisted of silty peat; this was confined to the lower lying parts of the site. It was situated beneath a silty sand deposit which contained inclusions of charcoal and heat?shattered stones; this had maximum dimensions of 7.40 m (north?west–south?east) by 6.60 m by 0.12 m deep. A localised spread of redeposited natural, measuring 1.43 m long (east–west), 1.07 m wide and was 0.23 m deep, was found to overlie this spread. Several linear features and drainage ditches represented post?medieval agricultural activities at Berkeley 1. The linear features measured 0.91 m wide and 0.28 m deep on average; while the drainage ditches had average dimensions of 1.65 m wide by 0.26 m deep. The fills of these features were all archaeologically sterile. The palaeoenvironmental analysis of samples from the fills of the trough revealed the presence of a variety of taxon, with fragments of oak, hazel and alder charcoal all present within the assemblage. The majority of charcoal fragments from the trough fills seemed to originate from medium sized branches or small timbers, indicating the deliberate selection of species for use as fuel. A single radiocarbon date was obtained for the upper fill within the trough excavated at Berkeley 1. The alder charcoal from this feature produced a Middle to Late Bronze Age date range of 1190?930 cal. BC (SUERC?35240