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Highway Statistics Series

Highway Statistics 2011


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2011 APPORTIONMENT FORMULAS - FEDERAL-AID HIGHWAY PROGRAM
  ENACTED IN SAFETEA-LU AND SUBSEQUENT EXTENSIONS

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).