Trends in Public Spending on Transportation and Water Infrastructure, 1956 to 2004 August 1, 2007 Report Trends in Public Spending on Transportation and Water Infrastructure, 1956 to 2004 View Document888.15 KB Summary Subsequent reports appear in Public Spending on Transportation and Water Infrastructure. Related Publications Public Spending on Transportation and Water Infrastructure, 1956 to 2014March 2, 2015