Activities are assumed to locate according to (their) relative cost(s). Measurements of access (to open space, to services, to jobs, to markets, etc.) appear frequently in reports. An entire branch of engineering is concerned with the analysis and manipulation of access...(p 187) Access may be classified according to the features to which access is given and to whom it is afforded (p 188). There are numerous ways of measuring the components of access (p 200)
