Transportation Revenue Options: Infrastructure, Emissions, and Congestion. Henry Lee, September 2010, Paper. “For more than half a century, the United States adhered to the user fee principle in financing its transportation infrastructure; designing systems in which users, not the general public, paid for the construction and maintenance of roads. Under this principle, the federal government relied heavily on a fuel tax to support the cost of its highway system. Revenues from the tax go into the federal Highway Trust Fund, which is independent of the General Fund; and every five years or so Congress passes an authorization bill..."