The degree of direct linkage between one particular location and other locations in a transportation network.
Friction of Distance
A measure of how much absolute distance affects the interaction between two places.
A model that holds that the potential use of a service at a particular location is directly related to the number of people in a location and inversely related to the distance people must travel to reach the service.
The movement of people, goods and ideas within and across geographic space.
Cost to transport goods from a location.