Travel to work area legal status. However, they give planners and geographers an alternate view of urban life as their boundaries are tied not to arbitrary administrative limits but socio-economic ties. Having an idea of where people commute from for work is particularly useful for public transport planning. Travel to Work Areas are defined by the Office for National Statistics using census data for commuting between wards, based on the different locations of individuals' home and work addresses. A Travel to Work Area is a collection of wards for which "of the resident economically active population, at least 75% actually work in the area,
Peripatetic school the basis of a new collection of Aristotle's writings compiled by Andronicus of Rhodes which forms the basis of the "Corpus Aristotelicum" which exists today. Later Neoplatonist writers describe Andronicus, who lived around 50 BC, as the eleventh scholarch of the Peripatetic school, which would imply that he had two unnamed predecessors. There is considerable uncertainty over the issue, and Andronicus' pupil Boethus of Sidon is also described as the eleventh scholarch. It is quite possible that Andronicus set up a new school where he taught Boethus. Whereas the earlier Peripatetics had sought to extend and develop Aristotle's works, from