22.3 References

1. Federal Highway Administration. Table SF-12A, State Highway Agency Capital Outlay - 2023.
2. Florida Department of Transportation. Generic Cost per Mile Models.
3. U.S. Census Bureau. Annual Housing Units Authorized by Building Permits. ASCII files by State, MSA, County or Place, co2023a.
4. Midwest Research Institute. 1996. Improvement of Specific Emission Factors (BACM Project No. 1). Prepared for South Coast Air Quality Management District.
5. U.S. Department of Agriculture, National Cooperative Soil Survey, NCSS Microsoft Access Soil Characterization Database.
6. Midwest Research Institute. Estimating Particulate Matter Emissions from Construction Operations, Final Report, Section 5.7.1. prepared for the Emission Factor and Inventory Group, Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency.