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CAAT's Award of Excellence for Best Return on Investment in the
State of California for the Year 2002

 

The Traffic Signal Retiming Project for the City of Modesto has been awarded the “Best Return on Investment Project” in the State of California for the Year 2002.  The California Alliance for Advanced Transportation Systems (CAATS) and Rural Advanced Technology and Transportation Systems (RATTS) Awards Selection Committee recently released its results for selection of Awards of Excellence. 

City staff applied for and succeeded in receiving federal funding from the Congestion Management Air Quality (CMAQ) and RSTP/CMAQ match funding grant programs for this project.

Minagar and Associates was awarded the contract and a Project Development Team (PDT) was formed to provide input into the retiming of the traffic signals. 

This team met regularly with Minagar and Associates* and directed the project to achieve the maximum coordination through major corridors in Modesto.  After deployment of the new signal timing, team members drove the corridors and gave suggestions for fine-tuning.  As a result, the team was able to achieve excellent coordination and minimize delay for through traffic on these corridors.

Highlights of the project results:

·         Reduced Energy cost by  $ 9.4 million/year or $25,753/day

AM

·         Reduced total stops from _____405____ to ____219___, reduction of _186 stops_

·         Reduced total delay from __191 min___ to ____98 min___, reduction of _93 min_

·         Reduced total travel time from _787 min_ to ___656 min__, reduction of _131 min_

·         Reduced Pollutant: CO from ___377 kg__ to __324 kg____, reduction of _53 kg_

  NOx from ___73 kg___ to ____63 kg___, reduction of _10 kg_

  VOC from ___87 kg____ to ____75 kg__, reduction of _12 kg_

·         Reduced Gas consumption from _5395_gal_ to __4631_gal_, reduction of _764 gal_

 

MD

·         Reduced total stops from ____457_____ to ____225___, reduction of _232 stops_

·         Reduced total delay from ___213 min__ to ___122 min___, reduction of _91 min_

·         Reduced total travel time from _810_min_ to __600_min___, reduction of _210 min_

·         Reduced Pollutant: CO from __441 kg__ to ___396 kg__, reduction of _45 kg_

  NOx from ___86 kg___ to ___77 kg____, reduction of _9 kg_

  VOC from __102 kg_____ to ___92 kg___, reduction of _10 kg_

·         Reduced Gas consumption from _6315_gal_ to __5658 gal_, reduction of _657 gal_

 

PM

·         Reduced total stops from ___512______ to ____254___, reduction of _258 stops_

·         Reduced total delay from ___287 min__ to ___163 min___, reduction of _124 min_

·         Reduced total travel time from _894 min_ to _737 min___, reduction of _157 min_

·         Reduced Pollutant: CO from __590 kg___ to ___516 kg___, reduction of _74 kg_

  NOx from __115 kg___ to __100 kg____, reduction of _15 kg_

  VOC from __137 kg____ to __120 kg___, reduction of _17 kg_

·         Reduced Gas consumption from _8439 gal_ to __7386 gal_, reduction of _1053 gal_

  

Daily Total

·         Total stops; reduction of _3208 stops_

·         Total delay; reduction of _1404 min_

·         Total travel time; reduction of _2504 min_

·         Pollutant: CO; reduction of _763 kg_

                      NOx; reduction of _152 kg_

          VOC; reduction of _172 kg_

·         Gas consumption; reduction of _11004 gal_

 

* highlighting by webmaster

Last Updated February 2005
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