U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
October 2012
Table FA-4A
| FUND | FACTORS | WEIGHT | STATUTE 1/ | MINIMUM APPORTIONMENT |
|---|---|---|---|---|
| Interstate Maintenance (IM) | Interstate System lane miles | 33.33% | 104(b)(4) | 1/2 percent of Interstate Maintenance and National Highway System apportionments combined |
| Vehicle miles traveled on the Interstate System | 33.33% | |||
| Annual contributions to the Highway Account of the Highway Trust Fund attributable to commercial vehicles | 33.33% | |||
| National Highway System (NHS) | Lane miles on principal arterial routes (excluding the Interstate System) | 25.00% | 104(b)(1) | 1/2 percent of Interstate Maintenance and National Highway System apportionments combined |
| Vehicle miles traveled on principal arterial routes (excluding the Interstate System) | 35.00% | |||
| Diesel fuel used on highways | 30.00% | |||
| Total lane miles on principal arterials divided by the State's total population | 10.00% | |||
| Surface Transportation Program (STP) | Total lane miles of Federal-aid highways | 25.00% | 104(b)(3) | 1/2 percent |
| Total vehicle miles traveled on Federal-aid highways | 40.00% | |||
| Estimated tax payments attributable to highway users paid into the Highway Account of the Highway Trust Fund | 35.00% | |||
| Bridge Replacement and Rehabilitation Program (BRR) | Relative share of total cost to repair or replace deficient bridges | 100.00% | 144(e) | 1/4 percent (10 percent maximum) |
| Congestion Mitigation and Air Quality Improvement Program (CMAQ) | Weighted nonattainment and maintenance area population | 100.00% | 104(b)(2) | 1/2 percent |
| Highway Safety Improvement Program (HSIP) | Total lane miles of Federal-aid highways | 33.33% | 104(b)(5) | 1/2 percent |
| Total vehicle miles traveled on Federal-aid highways | 33.33% | |||
| Number of fatalities on the National Highway system | 33.33% | |||
| Railway - Highway Crossings | Formula used for Surface Transportation Program | 50.00% | 130(f) | 1/2 percent |
| Total number of public railway-highway crossings | 50.00% | |||
| Safe Routes to School Program | Total School enrollment in primary and middle schools (grades K-8) | 100.00% | 1404 of SAFETEA-LU | $ 1 million |
| Recreational Trails Program (RT) | Equal shares to each eligible State | 50.00% | 104(h) | None |
| Nonhighway recreational fuel use during the preceding year | 50.00% | |||
| Metropolitan Planning (MP) | Urbanized area population 2/ | 100.00% | 104(f)(2) | 1/2 percent |
| Coordinated Border Infrastructure Program | Incoming commercial trucks passing through land border ports of entry (POEs) | 20.00% | 1303 of SAFETEA-LU | None |
| Incoming buses and personal motor vehicles passing through land border POEs | 30.00% | |||
| Total weight of incoming commercial truck cargo passing through land border POEs | 25.00% | |||
| Total number of land border POEs within boundaries of border states | 25.00% | |||
| Equity Bonus | Each States share of High Priority Projects funding and apportionments for IM, NHS,STP, BRR, CMAQ, HSIP, Safe Routes to Schools, Highway Railway Crossing, MP, RT, Coordinated Border Infrastructure, Appalachian Development, and Equity Bonus must be at least a specified share (currently 92%) of its estimatedpayments into the Highway Account of the Highway Trust Fund or for certain States,no less than the share of High Priority Project funding and apportionments it received under TEA-21, except that no State may receive an amount less thanthe specified percentage (currently 121%) of the average annual amount it received in apportionments and High Priority Projects under TEA-21. | 100.00% | 105 | None |
| Appalachian Development Highway System | Latest available cost-to-complete estimates under section 14501 of Title 23, U.S.C. | 100.00% | 1116 of SAFETEA-LU | None |
1/ Denotes appropriate section in title 23 U.S. Code.
2/ Usually places of 50,000 or more persons. Definition contained in 23 U.S.C. 101(a).
