Point layer of traffic stations for TxDOT owned and maintained roadways. The traffic stations at these locations collect Average Annual Daily Traffic. Toll road traffic counts may be shown for context purposes and may not represent on system traffic.
The traffic stations at these locations collect short-term traffic count data to produce Annual Average Daily Traffic
(AADT). Traffic counts are collected on an
annual basis as a means of measuring the use of public roads in the state.
AADTs are calculated using a volume count, axle factor, and seasonal factor. A general overview of the equation is AADT = axles * axle factor * seasonal
factor. The data is sourced from the Statewide Traffic Analysis and Reporting System
(STARS II).<div><br /></div><div><br /></div>
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