The Mega Program (the National Infrastructure Project Assistance program) supports large, complex projects that are difficult to fund by other means and likely to generate national or regional economic, mobility, or safety benefits.

The Mega program invests in large, complex projects that are difficult to fund by other means and are likely to generate national or regional economic, mobility, or safety benefits. Eligible projects include highway, bridge, freight, port, passenger rail, and public transportation projects of national or regional significance. Per the law, 50% of funds are available for projects above $500 million in total cost, and 50% are available for projects between $100 million and $500 million in total cost.