This paper documents the results of a before-after study evaluating the effectiveness of Sydney Coordinated Adaptive Traffic System (SCATS), an adaptive traffic signal control system, implemented on Boulder Highway, an arterial in the Las Vegas urban area. The evaluation was based on comparisons of various performance measures before and after the SCATS system was implemented. Extensive travel time runs were conducted for all the major travel routes within the study network during the weekday and weekend peak periods. Travel times and number of stops were then compared between conventional time-of-day (TOD) coordinated control plans and SCATS control plans. Based on the data collected in this study, the general conclusion was that no significant improvement on arterial progression was achieved with SCATS under normal traffic conditions. However, this conclusion was made based on a major limitation of using video detection in the field, which may have significantly limited the performance of SCATS.
Field Evaluation of SCATS Control System in Las Vegas
11th International Conference of Chinese Transportation Professionals (ICCTP) ; 2011 ; Nanjing, China
ICCTP 2011 ; 3963-3973
2011-07-26
Conference paper
Electronic Resource
English
Evaluation of the SCATS Control System
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