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This paper reports on a two-year study evaluating HOV lane performance. The analysis assesses the freeway operations before the HOV lanes opened with continued assessment throughout the first year of operation. It looks at automatic data from traffic monitoring stations and manual data from roadside...

Traffic Monitoring Stations are a component of the ATMS. TMS collect traffic volumes, speed and density from the Interstate system. These devices are located each one-half mile, on each lane, of the interstate system in the Salt Lake Valley. Presently UDOT does not collect or store this information....