TIFIA Expansion Act of 2010

[AI summary unavailable — showing source text] TIFIA Expansion Act of 2010 - Revises Transportation Infrastructure Finance and Innovation Act (TIFIA) program requirements to make eligible for TIFIA funding any projects that: (1) are for the design, acquisition, construction, or rehabilitation of one or more transportation projects that reduce emissions of greenhouse gases or have a positive impact on traffic congestion; and (2) receive not more than 30% of their funding for capital costs from federal public transportation grant funds. Defines "master credit agreement" as one entered into between the Secretary of Transportation (DOT) and an obligor for such projects that: (1) makes contingent commitments of one or more secured loans or other federal credit instruments at future dates; (2) establishes the amounts and general terms and conditions of such loans or other instruments as well as identifies dedicated revenue sources that will secure their repayment; and (3) provides for the obligation of funds for the loans or other instruments after certain federal requirements have been met. Requires such projects to meet certain planning and programming requirements (as under current law) at the time that loan proceeds are…