Invest in American Jobs Act of 2011 - Revises Buy American requirements with respect to federal-aid highways, capital investment grants to support intercity passenger rail service (rail grants), and Amtrak, particularly the handling of waiver requests.
Revises similar Buy American requirements with respect to public transportation, particularly rolling stock. Requires the cost of rolling stock components and subcomponents produced in the United States to increase from 60% in FY2012 by 10% annual increments up to 100% for FY2016 and ensuing fiscal years. Revises waiver requirements as well to mirror those for federal-aid highways.
Applies the rail grant Buy American requirements under this Act to recipients of rail loans and loan guarantees with respect to railroad rehabilitation and improvement.
Prescribes Buy American requirements for procurement of a facility or equipment under federal aviation programs similar to those for rolling stock.
Requires the Secretary of Transportation (DOT) to report annually to Congress on: (1) each project for which a waiver of Buy American requirements was issued; and (2) the country of origin and product specifications for steel, iron, or manufactured goods acquired pursuant to each waiver.
Amends the Federal Water Pollution Control Act to prescribe Buy American requirements for steel, iron, and manufactured goods used in the construction of a publicly owned wastewater treatment works.