### Question
How is the term aerotropolis transportation system defined?


### Answer
The term **aerotropolis transportation system** is defined in *23 U.S.C. § 167* as the following:

> a planned and coordinated multimodal freight and passenger transportation network that, as determined by the Secretary, provides efficient, cost-effective, sustainable, and intermodal connectivity to a defined region of economic significance centered around a major airport

#### Citation:
  - *23 U.S.C. § 167*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS**

