Accessibility Measure
Accessibility Measure : A measure of the ease with which activities can be reached from a location using a particular transport system. Note: The appropriate form of measure will depend on its intended use. In particular, activities that 'can be reached' might be taken as all-supplied activities or only those actually chosen, that is revealed choices. For example, the sum of the number of activities that can be reached from a location, weighted according to the impedance of travelling between the location and each activity