From the website:
SUMMARY: The Federal Transit Administration (FTA) has placed in the docket and on its Web site, proposed guidance in the form of a circular to assist grantees in implementing the Urbanized Area Formula Program (Section 5307). The Urbanized Area Formula Program provides grants for capital, planning, and some operating projects in urbanized areas. By this notice, FTA invites public comment on the proposed circular 9030.1D, Urbanized Area Formula Program: Program Guidance and Application Instructions for the program.
Click here for proposed circular: http://edocket.access.gpo.gov/2009/E9-23584.htm