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    FederalSectional VFR ChartsDepartment of Transportation — The Federal Aviation Administration (FAA) digital-Visual Chart series is designed to meet the needs of users who require georeferenced raster images of FAA Visual...
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    FederalCollection National Bridge Inventory System (NBI)Department of Transportation — The NBI System is the collection of bridge inspection information and costs associated with bridge replacements of structurally deficient bridges on and off the NHS....
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    FederalNational Address Database (NAD) Text File NGDADepartment of Transportation — The Address Points from National Address Database dataset was compiled on September 26, 2025 by the US Department of Transportation. The National Address Database...
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    FederalAmerican Travel Survey (ATS) 1995 [datasets]Department of Transportation — The 1995 American Travel Survey (ATS) was conducted by the Bureau of Transportation Statistics (BTS) to obtain information about the long-distance travel of persons...
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    FederalTerminal Area VFR ChartsDepartment of Transportation — The Federal Aviation Administration (FAA) digital-Visual Chart series is designed to meet the needs of users who require georeferenced raster images of FAA Visual...
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    Federal56-Day Complete Set of all of the Digital Enroute Charts - Aeronautical Information Services Digital ProductsDepartment of Transportation — The following ZIP files contain all of the Digital Enroute charts, except for Caribbean charts, for a given effective date range. Due to the large file sizes, it is...
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    FederalIncorporating travel time reliability into the Highway Capacity Manual [supporting datasets]Department of Transportation — The Highway Capacity Manual (HCM) historically has been among the most important reference guides used by transportation professionals seeking a systematic basis for...
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    FederalPilot Testing of SHRP 2 Reliability Data and Analytical Products: Florida [supporting datasets]Department of Transportation — "SHRP 2 initiated the L38 project to pilot test products from five of the program’s completed projects. The products support reliability estimation and use based on...
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    FederalEstablishing Monitoring Programs for Travel Time Reliability [supporting datasets]Department of Transportation — The objective of this project was to develop system designs for programs to monitor travel time reliability and to prepare a guidebook that practitioners and others...
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    FederalValidation of Urban Freeway Models [supporting datasets]Department of Transportation — The goal of the SHRP 2 Project L33 Validation of Urban Freeway Models was to assess and enhance the predictive travel time reliability models developed in the SHRP 2...
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    FederalPilot Testing of SHRP 2 Reliability Data and Analytical Products: Minnesota [supporting datasets]Department of Transportation — The objective of this project was to develop system designs for programs to monitor travel time reliability and to prepare a guidebook that practitioners and others...
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    FederalEffectiveness of Different Approaches to Disseminating Traveler Information on Travel Time Reliability [supporting datasets]Department of Transportation — Travel time reliability information includes static data about traffic speeds or trip times that capture historic variations from day to day, and it can help...
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    FederalPilot Testing of SHRP 2 Reliability Data and Analytical Products: Southern California [supporting datasets]Department of Transportation — The objective of this project was to develop system designs for programs to monitor travel time reliability and to prepare a guidebook that practitioners and others...
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    FederalPilot Testing of SHRP 2 Reliability Data and Analytical Products: Washington [supporting datasets]Department of Transportation — The Washington site used the reliability guide from Project L02, analysis tools for forecasting reliability and estimating impacts from Project L07, Project L08, and...
