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SCATS Field Experience at the

SCATS Field Experience at the. Gary Piotrowicz PE, PTOE TRB January 11, 2004. SCATS BACKGROUND. System has been in operation since 1992. Funds have come from earmarks, STP, NHS, CMAQ, Locals, and Private Companies.

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SCATS Field Experience at the

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  1. SCATS Field Experience at the Gary Piotrowicz PE, PTOE TRB January 11, 2004

  2. SCATS BACKGROUND • System has been in operation since 1992. • Funds have come from earmarks, STP, NHS, CMAQ, Locals, and Private Companies. • Currently there are over 600 SCATS signals. Over 650 by the end of 2004.

  3. SCATS HARDWARE STRUCTURE Autoscope Management Computer SCATS Controller Regional Computer

  4. SELECTION OF SCATS • Wanted a system that was cutting edge with real-time signal plan generation. • In 1989 only 2 systems existed. • SCATS fit better with the local conditions: • 8 Phase signals • Poor Spacing • Corridors/Grids

  5. What to Look for in an Adaptive Signal System • Determine your own system needs/issues. • Find a system that meets these needs. • Determine if the you have the resources and personnel to O & M the system.

  6. SCATS COSTS(Oakland County) • Central • Software • Hardware • Consultants • Field • Per intersection • Operations and Maintenance • field, software, personnel

  7. BENEFITSAccident Severity Analysis BEFORE AFTER 9% 4% Possibly Injured Non-Incapacitating Incapacitating

  8. BENEFITSTravel Time Improvements(NB Orchard Lake Rd) AM Peak Off-Peak PM Peak -32% -7% -20%

  9. SUCCESS STORY (I-75 Truck Roll-over in Auburn Hills) • Freeway closed from 3pm to 9pm. • SCATS Response: • Maintained peak cycle lengths until after 9:30 • Handled unusual traffic patterns • Done without operator intervention

  10. SCATS EVENT MANAGER

  11. CHALLENGES • Keeping Qualified Personnel • Engineers • Technicians • Electricians • Consultants • Public Understanding • Changes in the Operations • Capacity Issues

  12. LESSONS LEARNED • Do NOT over sell the benefits. • You can never have too much training and personnel. • Bring in an outside expert to audit the system. • Implement a strong public relations effort. • Get buy in from all levels of management.

  13. LESSONS LEARNED, cont. • Get buy in from electrical shop. • Must have continuous and adequate revenue stream for O & M • Get employees that will take ownership in the system. • Deploy at a pace within your resources.

  14. QUESTIONS??? Gary Piotrowicz, PE, PTOE 248 858-7250 gpiotrowicz@rcoc.org

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