Aerotropolis Act of 2011 - Amends the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) to extend the eligibility for projects of national and regional significance under the surface transportation grant program to certain aerotropolis transportation system projects.
Defines "aerotropolis transportation system" as a planned and coordinated multimodal freight and passenger transportation network that provides efficient, sustainable, and intermodal connectivity to a defined region of economic significance centered around a major airport.