Inside Sources » Under current projections, the Highway Trust Fund will run out of money in the fall of 2020. This means that the $1.5 trillion needed to fund Trump’s ambitious infrastructure plan will need to come from an alternative source. After their success in passing tax reform at the end of 2017, few in Congress will relish the idea of raising any sort of taxes, even something like the fuel tax, which has not seen increases in 25 years.