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US-75 North Central Expressway Reconstruction: October 1993 and March 1994 Traffic Conditions
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1994-08-01
[PDF-3.68 MB]
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Edition:Interim: September 1993 - May 1994
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Abstract:This report documents the results of the October 1993 and March 1994 traffic data collection efforts during the fourth year of the US-75 North Central Expressway reconstruction project south of the I-635 LBJ Freeway. Traffic conditions and patterns have been monitored during October 1989 and May 1990 (before construction) and each October and May since October 1990 (during the first four years of the project). An additional study was conducted in March 1994 to evaluate the potential traffic impacts of US-75 North Central Expressway median lane closures between McCommas and Woodall Rodgers Freeway. The traffic conditions prior to construction and during the first three years of construction were documented in previous reports. The traffic monitoring efforts involved traffic data collection and an automobile users' survey. The traffic data collection included screen line traffic volume counts, vehicle occupancy and classification counts, and travel time runs. The automobile users' survey results for October 1993 are documented in a separate report. Overall, the October 1993 and March 1994 results indicate that the US-75 North Central Expressway reconstruction project may have begun to impact peak period and daily travel in the corridor. The increased construction activity in the S-1 and S-2 sections of the project where lane closures and/or detours were required resulted in diversion from US-75 to alternative routes in the corridor. The Ross reversible lane system, however, appears to provide some relief to congestion in the corridor.
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