USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

MAP-21 Formula Flowcharts

FTA has developed flow charts to help individuals or organizations better understand the MAP-21 formulas that prescribe how funds are apportioned to States and Urbanized Areas under FTA's formula grant programs. Acess the link below to view the flow chart for the formula program in question. For the purposes of Section 508 compliance, a narrative description of the flow charts is also included.