A post alignment was excavated at Eweford East by Ingrid Shearer and Kirsteen McLellan, in advance of the upgrade to the A1 road (Shearer and McLellan 2007). Superficially it appears to be part of what had probably been a timber ‘avenue’, with the north and south rows separated by about 50 m, but the radiocarbon dating and artefactual evidence suggest that the two rows may have been separated in time by around 600 years. Willow charcoal from a post-hole at the east end of the southern row produced a radiocarbon date of 2880-2580 cal BC (SUERC-5340), and sherds of Late Neolithic Grooved Ware, some abraded, were found in several of the ‘pits’ in the southern row. A Late Neolithic chisel-shaped arrowhead was also found in one southern row pit. This row then seems to have been lengthened, and the northern one added, during the Chalcolithic period – the third quarter of the third millennium BC) A further Chalcolithic addition is the unevenly-shaped timber circle to the north of the northern row.
In her review of the timber monuments of Neolithic Scotland, Kirsty Millican (2016, 100) suggests that two short parallel rows of pits at Sprouston, known from aerial photography, could be a Late Neolithic ‘avenue’. However, given the dating of the Eweford East site, then if Sprouston is indeed an ‘avenue’, a post-Neolithic date for its constructions seems more likely.