Why are social costs important in transport economics?

Paper needs to be 4-5 pages in length, using 4-5 references and follow APA format. Title and reference page in addition to the 4-5 pages.

ESSAY MUST BE WRITTEN IN ACTIVE VOICE, NO PASSIVE VOICE!

Please upload a Word document using APA format for this assignment (see attached for the template). Where applicable, you must show your derivations, analysis and how you obtained the responses/answers. Use title page, in-text citations, references, appropriate font size, double spaces, etc where appropriate. The assignment will be graded for content, APA formatting, met deadlines for submission. See the following rubric below.

Social Costs and Transportation Economics