Figure 5-16: Federal Own-Source Revenue by Mode, 2012 (Billions)
| Mode | Revenue |
|---|---|
| Highway | $40.30 |
| Air | $12.80 |
| Water | $2.30 |
| Pipeline | $0.09 |
NOTE: Own-source refers to taxes and charges levied on transportation-related activities and used specifically for transportation purposes
SOURCE: US Department of Transportation, Bureau of Transportation Statistics, Government Transportation Financial Statistics 2014, Table 10-A, available at www.bts.gov as of July 2016.