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A decentralized signal system pilot showed overall improvements of greater than 25 percent for average travel time, vehicle speed, number of stops and wait time for twelve routes through the pilot test area.

FindingsWhen the SURTRAC runs are compared with existing conditions, the level of improvement during all time periods was significant. A summary of average improvements by time period can be found in…
Content type
Benefit
Date Posted
01/31/2013
Taxonomy (ARC-IT) Traffic Signal Control (TM03), Connected Vehicle Traffic Signal System (TM04)
Geolocation links
Pittsburgh, Pennsylvania, United States

A decentralized adaptive signal control system could reduce fuel consumption by 4.3 million gallons and total emissions by 39K tonnes annually, if deployed city-wide in Pittsburgh.

FindingsBased on reductions in wait times, number of stops and travel times, the CMU team estimated reductions in motor fuel consumption, as well as five types of emissions. The team projects that…
Content type
Benefit
Date Posted
01/31/2013
Taxonomy (ARC-IT) Traffic Signal Control (TM03), Connected Vehicle Traffic Signal System (TM04)
Geolocation links
Pittsburgh, Pennsylvania, United States

A decentralized adaptive signal control system has an expected benefit-cost ratio of almost 20:1 after five years of operation, if deployed city-wide in Pittsburgh.

FindingsSavings provided by the SURTRAC system were calculated by monetizing travelers' time, fuel consumption and pollution based on the assumed values in Table 8 below. These assumptions provide…
Content type
Benefit
Date Posted
01/31/2013
Taxonomy (ARC-IT) Traffic Signal Control (TM03), Connected Vehicle Traffic Signal System (TM04)
Geolocation links
Pittsburgh, Pennsylvania, United States
ITS Deployment Evaluation

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