Safety evaluation of the SCATS control system, final report.

Details

• Alternative Title:
  Safety evaluation of the Syndey Coordinated Adaptive Traffic System control system, project 1 : abstract
• Creators:
  Dutta, Utpal ; Lynch, James
• Corporate Creators:
  University of Detroit Mercy ; Michigan Ohio University Transportation Center
• Corporate Contributors:
  Michigan. Dept. of Transportation ; United States. Department of Transportation. Research and Innovative Technology Administration ; Southeast Michigan Council of Governments
• Subject/TRT Terms:
  • Intelligent transportation systems
  • Traffic flow
  • Traffic volume
  • Traffic data
  • Data collection
  • Transportation, hydraulic and utility facilities
  • Electronic traffic controls--Evaluation
  • Traffic engineering
• Publication/ Report Number:
  RC-1545 ; MIOH UTC TS22p1-2 2010-Final
• Resource Type:
  Tech Report
• Geographical Coverage:
  Michigan
• Edition:
  Research; Jan. 2009-Sept. 2010.
• Corporate Publisher:
  University of Detroit Mercy
• Abstract:
  Since 1992, traffic signals in Oakland County and a portion of Macomb and Wayne Counties of Michigan have been ; converted to the Sydney Coordinated Adaptive Traffic System (SCATS). County traffic engineers have been ; adjusting various SCATS parameters to improve its effectiveness in terms of delay, traffic flow, queue length, and ; crash and injury occurrences. In 2008, a study was conducted to evaluate the performance of the SCATS system on ; M-59, between Pontiac Lake East to Pontiac Lake West in Waterford Township, Michigan, in terms of delay, flow, ; queue length, fuel consumption and emission. As a part of this study various performance parameters of SCATS ; system were compared with the Pre-timed signal system. Performance of the SCATS system was found to be ; superior for several of the performance measures during each Peak period. When compared to Pre-timed signal, ; installation and maintenance cost of SCATS system is almost two times greater. Therefore, there is a need to ; determine the added related benefits of SCATS system. In this context, determination of crash benefit of SCATS can ; play a significant role. If we can combine congestion and crash related benefits, then it is most likely combined ; benefits will overweigh the cost. Crash data from 1999 to 2008 of two corridors, one controlled by the SCATS and ; other by the Pre-timed signal system were examined to determine the effectiveness of SCATS system. In order to ; evaluate the effectiveness of SCATS signal system, intersections as well as segment crash data before and after the ; installation of SCATS signals were compared. In addition, a series of statistical tests were performed to compare ; safety performance of SCATS and pre-timed signal systems. It was observed that there was shift in severity types A ; and B to C, which is noteworthy. However, statistical tests were not able to identify any difference of significance at ; 95 percent confidence level. Finally, cost related information for both SCATS as well as Pre-timed was also ; computed and compared.
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• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/23293/dot_23293_DS1.pdf
• File Type:
  [PDF - 596.10 KB]
• Collection(s):
  University Transportation Centers ; US Transportation Collection
• Main Document Checksum:
  urn:sha-512:63392b2a2ae166f281709d1e63e52979ab7f2ec314b2953cb43d1adcd0fd5f05820e4c1e85b9796f9e76a0795544683ce3c7fa64b56b59fe4210a860244b45b9