WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
495,155 items of data are available, covering 495,155 participants, encoded using Data-Coding 7.
Counts of participants/items last updated 13 Apr 2019.
Indicator variable indicating whether a residential address is within 50 metres of a class 1 or 2 type road and/or within 100 metres of a class 0 road, based upon central road network. The Central road network is taken from Eurostreets version 3.1 digital road network (scale 1:10000), derived from the TeleAtlas MultiNet TM dataset for the year 2008. All roads of class 0, 1 and 2 (motorways, main roads of major importance and other main roads) were classified as major roads. Based upon local knowledge classes 3 and 4 (secondary roads and local connecting roads) were also classified as major roads.