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2 datasets found
  • Federal

    ECAT - Externality Cost Estimates    recent views

    Department of Transportation —

    ECAT - Externality Cost Estimates are the estimated costs of highway use externalities including noise, air pollution, crashes, and congestion, broken into various...
  • Federal

    Collection Congestion Mitigation and Air Quality (CMAQ)    recent views

    Department of Transportation —

    All 50 states and the District of Columbia submit annual reports of their CMAQ project obligations in March of every year. The FHWA uses these yearly submissions to...
2 datasets found

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