| Database Name | Description |
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| Census Transportation Planning Package (CTPP) 1990 | The 1990 Census Transportation Planning Package (CTPP) is a collection of summary tables that have been generated from both the 1990 census short and long forms. The tables contain information about population and household characteristics, worker characteristics and characteristics of Journey-to-Work (JTW). The CTPP is organized into a series of parts contained with two elements namely Urban and State. The parts define whether the tables are summarizing information by place of residence, place of work or journey to work. | Profile |
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| Census Transportation Planning Package (CTPP) 2000 | The Census Transportation Planning Package (CTPP) is a collection of summary tables that have been generated from the census long form data collected in year 2000. These summary tables contain three sets of tabulations: Part I - PLACE OF RESIDENCE, Part II - PLACE OF WORK, and Part III - JOURNEY-TO-WORK. | Profile |
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| Highway Performance Monitoring System (HPMS) - Core Data | Data on the extent, condition, performance, use, and operating characteristics of the nation's highways. | Profile |
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| Licensed Drivers | Annual data on licensed drivers by age and sex for each state. | Profile |
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| National Ferry Database | The National Ferry Database is a comprehensive inventory of existing ferry operations in the United States and its possessions developed by the U.S. Department of Transportation, Federal Highway Administration (FHWA). | Profile |
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| Nationwide Personal Transportation Survey (NPTS) | The NPTS is a household travel survey conducted every five years that provides data on the amount and nature of personal travel in the U.S. | Profile |
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| Vehicle Miles Traveled (VMT) | Vehicle Miles Traveled data is reported as part of the Highway Statistics series and Traffic Volume Trends produced by the Federal Highway Administration (FHWA). Annual VMT estimates are based on travel reported by the various States to the Federal Highway Administration's Highway Performance Monitoring System (HPMS). The Traffic Volume Trends program makes monthly estimates of the change in the Nation's highway travel using data from continuous counters operated by the States. | Profile |
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| Vehicle Registration Data | Annual data on number of motor vehicles registered in each state by vehicle type. | Profile |
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| Highway Safety Information System (HSIS) | Provides accident, roadway inventory, and traffic volume data for a select group of states: California, Illinois, Maine, Michigan, Minnesota, North Carolina, Utah and Washington. | Profile |
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