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Federal
Collection National Transportation Library (NTL) Repository & Open Science Access Platform (ROSA P) recent views
Department of Transportation —
The National Transportation Library (NTL) provides national and international access to transportation information, coordinates information creation and... -
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...