Transportation (TxDOT) has awarded the first of three contracts to instrument the urban freeway system in Houston with an automatic vehicle identification (AVI) system to monitor traffic conditions. The AVI system will be designed to provide travel time information on about 120 miles of freeways and 100 miles of reversible highoccupancy vehicle (HOV) lanes. This AVI installation will be the first in the country to implement the traffic management aspect of the electronic toll and traffic management (ETT’M) technology. Backgroun
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