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October 2008
Table FA4A
Excel Version (35 kb)
PDF Version (16 kb)
| FUND |
FACTORS |
WEIGHT |
STATUTE 1/ |
MINIMUM APPORTIONMENT |
| Interstate Maintenance (IM) |
Interstate System lane miles |
33 1/3% |
104(b)(4) |
1/2 percent of Interstate Maintenance and National Highway System apportionments combined |
| |
Vehicle miles traveled on the Interstate System |
33 1/3% |
|
| |
Annual contributions to the Highway Account of the Highway Trust Fund attributable to commercial vehicles |
33 1/3% |
|
| National Highway System (NHS) |
Remainder apportioned as follows: |
|
104(b)(1) |
1/2 percent of Interstate Maintenance and National Highway System apportionments combined |
| |
Lane miles on principal arterial routes (excluding the Interstate System) |
25% |
|
| |
Vehicle miles traveled on principal arterial routes (excluding the Interstate System) |
35% |
|
| |
Diesel fuel used on highways |
30% |
|
| |
Total lane miles on principal arterials divided by the State's total population |
10% |
|
| Surface Transportation Program (STP) |
Total lane miles of Federal-aid highways |
25% |
104(b)(3) |
1/2 percent |
| |
Total vehicle miles traveled on Federal-aid highways |
40% |
|
|
| |
Estimated tax payments attributable to highway users paid into the Highway |
35% |
|
|
| |
Account of the Highway Trust Fund |
|
|
|
| Bridge Replacement and Rehabilitation Program (BRR) |
Relative share of total cost to repair or replace deficient bridges |
100% |
144(e) |
1/4 percent (10 percent maximum) |
| Congestion Mitigation and Air Quality Improvement Program (CMAQ) |
Weighted nonattainment and maintenance area population |
100% |
104(b)(2) |
1/2 percent |
| Recreational Trails Program (RT) |
Equal shares to each eligible State |
50% |
104(h) |
None |
| |
Nonhighway recreational fuel use during the preceding year |
50% |
|
|
| Metropolitan Planning (MP) |
Urbanized area population 2/ |
100% |
104(f)(2) |
1/2 percent |
| Minimum Guarantee |
Specific share specified in law of the aggregate apportionments for Interstate Maintenance, National Highway System, Bridge, Congestion Mitigation, Surface Transportation Program, Metropolitan Planning, Recreational Trails, Appalachian Development Highway System, and Minimum Guarantee and allocations for High Priority Projects adjusted to ensure that each State's share of apportionments for the specified programs is at least 91.5 percent of its percentage contributions tother Highway Account of the Highway Trust Fund. The shares specified in law are increased for States falling below the 91.5 level and the shares of the remaining States are decreased so that the shares continue to total 100 percent. |
100% |
105 |
$1 million |
| State and Community Highway Safety Grants |
Total population |
75% |
402(c) |
1/2 percent, 1/4 percent for American |
| |
Public road mileage |
25% |
|
Samoa, Guam, Virgin Islands, and the Commonwealth of the Northern Mariana Islands, 3/4 percent for Secretary of the Interior (Bureau of Indian Affairs) |
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