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U.S. Department of Transportation
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ASCT Benefits
§Better
□Benefits to both road users & public agencies
▪Travel time reduction 13% - 50%
▪Fuel Consumption 8% - 38%
□Ongoing performance measurement
§Smarter
□Solves problems that are difficult to address with time-of-day and traffic responsive timing
□Saves cost of mundane data collection and retiming
§Faster
□Reduces retiming intervals from years to minutes
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Key Message:
ASCT is a proven technology

Based on field test/studies over the 20 years, ASCT has demonstrated the potential to reduce travel time and delay when applied appropriately.

Nationally agencies have scored an F on all three iterations of the Traffic Signal Report Card in the area of monitoring and data collection.  ASCT not only facilitates that function but responds to gaps in performance.

The specific issue that ASCT responds to is variability in demand this is generally the area leading up to the peak 15/30/hour or more when we might want to distribute capacity more equitably.

In terms of cost we have seen B/C as high as 55:1.

It reduces retiming intervals from years to minutes.

It transitions agency operations activity from reactive to active