For the cartophobic and verbal learners, a list of all the USDA and HUD programs in DC is available here, beginning toward the end of the page.
USDOT’s map lacks the visual breakdown to individual projects and uses a totally different base map, but it still has projects lists in a pop-up window. DC’s distribution claims to be largely railroad investment, but a quick look reveals that the sum includes the $1B grant given to Amtrak, as though DC is the only beneficiary.