Use the course readings and web sites to extend the materials on the topic.Your paper should discuss and extend the information on the topic, and to expand on the topic by giving real-world scenarios, which reflect this topic.Use APA format to submit this paper. This paper should be at least 1000 words with 3-5 references. Keep your submissions concise, focused, and succinct. Remember that Wikipedia is not a credible academic resource, subject would be on Transportation and the spatial structure from "the geography of transport systems" 3rd edition by Jean-Paul Rodrigue.