Our full methodology is written up in detail in a separate document.
This page has a series of helpful terms to understand, and charts that you can use and share
| Term | Definition |
|---|---|
| Apportionment | A division of funds according to rules, established either in law or by regulation derived from law. Under formula fund programs, states are apportioned a subset of a given transportation program’s appropriations. |
| Appropriation | The amount of money set aside for a program, and, in the federal context, are established by Congress. The IIJA is unique in that it pre-appropriated funds for programs, providing predictability and consistency for agencies and planners. |
| Authorization | Language from legislation that gives agencies the authority to implement a program and establishes levels of funding that can be funded by appropriations. |
| Eligibilities | The type of projects eligible for funding under a given funding program. Eligibilities are initially defined in law and clarified by USDOT. |
| Obligations, or awarded funds | A binding agreement from the federal government designating funds to pay for eligible goods/services/studies/products, etc in service of a project. |
| Outlay | When a federal agency issues checks, disburses cash, or makes electronic transfer payments to liquidate (or settle) an obligation. |
| Title | Chart |
| Table: Funding by project type, by state with emissions |  |
| Table: Funding by project type, by county with emissions |  |
| Map: Emissions per capita, mapped by county |  |
| Graph: How fast are apportioned IIJA funds being obligated? |  |
| Graph: Obligation and outlay rates for agencies and projects |  |
| Chart: How much funding for each project type has been outlayed? |  |
| Table: IIJA investments to CO2e emissions projections |  |
| Map: IIJA transportation spending awards in counties (per capita) |  |
