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FEDERAL SHARE (%)1 | AVAILABILITY YEARS | ||
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Interstate Maintenance Program |
90 2 | 4 | ||
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90 2 | Until Expended | ||
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National Highway System |
80 2 & 7 | 4 | ||
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100 | Until Expended | ||
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100 | 4 | ||
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Surface Transportation Program |
80 2 & 7 | 4 | ||
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90 2 | 4 | ||
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80 2 | 4 | ||
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Highway Bridge Replacement and Rehabilitation Program |
80 | 4 | ||
|
80 | 4 | ||
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Congestion Mitigation and Air Quality Improvement Program |
80 2 | 4 | ||
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Federal Lands Highways Program |
100 | 4 | ||
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Emergency Relief |
80-100 | Until Expended | ||
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Motor Carrier Safety Grants |
80 | Until Expended | ||
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Appalachian Development Highway System |
80 2 | Until Expended | ||
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Recreational Trails |
80 3 | 4 | ||
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National Corridor Planning and Coordinated Border Infrastructure |
80 2 | 4 | ||
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Scenic Byways |
80 | Until Expended | ||
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Construction of Ferry Boats and Ferry Terminal Facilities |
80 | Until Expended | ||
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Value Pricing Pilot |
80 | 44 | ||
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Highway Use Tax Evasion |
100 | 4 | ||
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Transportation and Community and System Preservation Pilot |
100 | 4 | ||
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Woodrow Wilson Bridge |
80-100 | Until Expended | ||
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High Priority Projects |
80 5 | Until Expended | ||
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Intelligent Transportation Systems - Research and Development |
80-100 8 | Until Expended | ||
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Intelligent Transportation Systems - Deployment |
50-80 9 | Until Expended | ||
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Surface Transportation Research |
80-100 | Until Expended | ||
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Technology Deployment |
80-100 | Until Expended | ||
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State Planning and Research |
80 6 | 4 | ||
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Metropolitan Planning |
80 2 & 6 | 4 | ||
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Minimum Guarantee |
80 | 4 | ||
1 Up to 10% of a State’s apportionment for Interstate Maintenance, National Highway System, Surface Transportation Program, Congestion Mitigation and Air Quality Improvement Program, and Recreational Trails may be used at 100% Federal share for certain safety and traffic operations projects. Funds applied to Interstate System projects (except added Single Occupancy Vehicle or auxiliary lanes) may be used at 90% Federal share, or higher if subject to sliding scale.
2 Federal share subject to revision up to 95% because of sliding scale adjustment for States with large amounts of Federal lands.
3 Federal share up to 95% allowed including Federal agency project sponsor contributions.
4 Unallocated balance in excess of $8 million at the end of any fiscal year shall be apportioned to the States for STP purposes.
5 Except projects on the Baltimore Washington Parkway and in American Samoa and the U.S. Virgin Islands, which are 100%.
6 May approve up to 100% if the Secretary finds that it is in the interest of the Federal-aid highway program.
7 Projects on the Interstate System may be 90% Federal share.
8 For Intelligent Transportation Systems Research and Development projects, the Federal share for the project is 100% unless it is a demonstration project or an operational test, in which case the Federal share is 80%.
9 For Intelligent Transportation Systems Deployment projects, 50% of the project's costs may be paid with ITS funds. Up to an additional 30% of the project's costs may be paid using other Federal funds but at least 20% must come from non-Federal sources.
Electronic version of Publication No. FHWA-PL-99-015
