Early roundhouses were too small for later locomotives. The most common sort of buildings would have been roundhouses and rectangular timbered halls. Some roundhouses include shop facilities internally or in adjoining buildings. Thousands moved to the area for jobs in the roundhouses, turntables and foundries. This is a list of railway roundhouses. Only seven roundhouses (or part roundhouses) are extant. The North shed eventually contained four roundhouses. Scattered Roundhouses and burials have been discovered amongst these droveways. The survey also discovered curved features that probably indicate the presence of roundhouses. The mechanical world of the roundhouses have their own career tracks. In the Middle Ages, most Gaels lived in roundhouses and ringforts. There is extensive evidence of settlement within the fort, including platforms for roundhouses. In the ancient and medieval era, most Gaels lived in roundhouses and ringforts. Queen's Park in Castleford provides evidence of Roundhouses used by the Anglo Saxons. Maiden Castle was occupied throughout the Iron Age and its inhabitants lived in roundhouses.