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- W813365057 abstract "Based on a Texas Department of Transportation (TxDOT) survey, a review of other state departments of transportation (DOTs), and researcher understanding of Intelligent Transportation System (ITS) needs, the Texas Transportation Institute (TTI) team developed a comprehensive list of opportunities for TxDOT to consider pertaining to future use of private sector (PS) data. Specific opportunities for applying private data were reviewed in light of accuracy of the data, coverage areas, data availability, cost, and control of the data stream. The list of opportunities considered included: (1) Enhance traveler information in urban areas such as: (a) Travel time information (b) Levels of congestion (c) Speed measurement and (d) Alternate routes; (2) Introduce traveler information in areas where ITS deployment is not cost-effective; (3) Improve continuity of data based on existing ITS coverage across jurisdictions; (4) Develop a statewide 511 system; and (5) Reduce ITS deployment costs by limiting deployment of fixed data collection devices. TxDOT has deployed a variety of field devices to relay traveler information to motorists and other users. These devices include dynamic message signs, highway advisory radio, and others. In many urban areas, Transportation Management Centers (TMCs) receive data from vehicle sensors and cameras, and the data are processed and converted to useful information to be disseminated to the traveling public. However, there are situations where gaps in coverage exist and where private sector data could fill the gaps. For example, when TMCs detour traffic from freeways to surface streets, there might not be any means of monitoring the congestion levels on the streets without private data. The same could be true of rural areas where the deployment of ITS is minimal. If private agencies have coverage on these roadways and have sufficient data, TxDOT could purchase the data and provide traveler information without making huge investments to deploy ITS. Even with much of the desired coverage in place through past TxDOT efforts, it is conceivable that data from private providers could fill in gaps that would be difficult or unfeasible using traditional methods." @default.
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- W813365057 date "2012-01-01" @default.
- W813365057 modified "2023-09-23" @default.
- W813365057 title "TXDOT Uses of Real-Time Commercial Traffic Data: Opportunity Matrix" @default.
- W813365057 hasPublicationYear "2012" @default.
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