Dictionary definition: accessibility

accessibility The ease of approach to one location from other locations. This may be measured in terms of the distance travelled, the cost of travel, or the time taken. See alonso model .

In network analysis , accessibility may be expressed by measures of connectivity . Accessibility can be calculated by using a framework known as an accessibility matrix . Consider the five towns in the diagram below.

In the matrix derived from it the number of roads used to travel from each town in turn to each of the others is recorded. The total is noted in the column marked row sum. The town with the lowest ...

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