The following documents describe in detail the innovative methodology that we used in several cities. Start with the Introduction below which will take you through a paper describing the process and see explanatory Tables and Illustrations at the end of the document. Several of the additional links (below) can be also accessed separately and are supplementary to the main document. See Current Urban Studies, Vol. 2, 2, 88-104 for on-line open access (no charge) download. Alternatively, see our Publications section for a copy of the PDF. Specific documents for each city can be found in our Cities section.