Dimension Characteristics
Historical Changes brought by transport technologies. Rise and cohesion of civilizations (e.g. Egypt, Rome and China). Development of modern nation states.
Economic Transport and economic development (indirectly and directly). Factor in the production and added-value of goods and services. Facilitates economies of scale. Influences land (real estate) value. Contributes to the specialization of regions.
Social Access to healthcare, welfare, and cultural events. Shape social interactions.
Political Nation building and national unity. National defense (Roman empire, American road network). Rules and regulations. Mobility often subsidized (e.g. public transit or highways).
Environmental Important environmental impacts. Pollution, exploitation of natural resources.
 
Key Dimensions of Transportation