The money required to undertake an EIS and Preliminary Engineering Study can be obtained
from federal sources via an “earmark” from FTA new start funds or FRA high-speed corridor
funds. The FAA will not likely provide resources for airport access infrastructure outside of
airport grounds. In each case, a state and local match of at least 20 percent will be needed.
Typically, federal and state shares vary between 70-30 and 80-20, although 60-40 has occurred
on some transit projects.