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enhanced bus alternative that will look to improve the existing bus service to the
<br /> Dublin/Pleasanton station.
<br /> BART released the Draft Environmental Impact Report in July 2017 with the public
<br /> comment period closing October 2017. The Draft EIR identifies the Enhanced Bus
<br /> alternative as the environmentally superior alternative, as it has the fewest impacts. The
<br /> Draft EIR recognizes, however,that this alternative has fewer benefits than the full
<br /> BART alternative. The EIR includes an extra chapter(Chapter 5 - pg. 1493)that outlines
<br /> each alternatives merits to provide a balance between the identification of project impacts
<br /> and the project benefits.
<br /> Some of the project benefits are shown in the table below and include a DAILY reduction
<br /> of 272,700 vehicle miles traveled with a full BART extension to Isabel compared to just
<br /> 26,800 vehicle miles traveled for the enhanced bus system. Full BART generates
<br /> 13,400 new BART riders compared to just 1,800 with enhanced bus. Staff is in the
<br /> process of reviewing the full document and will provide comments to BART during the
<br /> public comment period.
<br /> TABLE 5-I SUMMARY Of QUANTITATIVE BENEfiCIAI EFFECTS UNDER 2040 PROJECT AND
<br /> CUMULAT1vE CONDITIONS
<br /> Express Enhanced
<br /> Conventional OMU EMU Bus/BRT Bus
<br /> Metric BART Project Alternative Option Alternative Alternative
<br /> Transportation
<br /> Project-BART System
<br /> Ridership +11,900 +7,000 47.000 +3,500 +400
<br /> (average weekday)
<br /> Cumulative-BART
<br /> System Ridership +13,400 +8,300 +8,300 +4,800 +1,800
<br /> (average weekday)
<br /> Project-Vehicle Miles
<br /> Traveled -244,000 140,600 -140,600 -92,600 -6,500
<br /> (average weekday) _
<br /> Cumulative-Vehicle
<br /> Miles Traveled -272,700 -164,500 -164,500 -112,900 -26,800
<br /> (average weekday)
<br /> Greenhouse Gas
<br /> Emissions
<br /> Project-Annual CHC
<br /> Emissions(metric tons of 11,200 -3,500 -6,000 -3,700 --
<br /> CO,e/year)
<br /> Cumulative-Annual GIIC
<br /> Emissions(metric tons of 12,800 -4,800 7,300 -4,900 -400
<br /> CO,e/year)
<br /> Energy
<br /> Project-Regional Energy
<br /> Consumption(millions 130,800 -35,000 -66,500 56,800 --
<br /> British Thermal
<br /> Units year)
<br /> Cumulative-Regional
<br /> Energy Consumption -155,900 -55,900 -87,500 -74,600 -9,600
<br /> (millions British Thermal
<br /> Units/year) _
<br /> Note ---No benef*,the Enhanced Bus Akematrve would increase CHC emissions by 600 metric tons of
<br /> CO,e/year and energy use by 8,200 million British Thermal Units/year.
<br /> All numbers have been rounded to the nearest hundred.
<br /> Data presented represent the difference between 2040 No Project Conditions and 2040 Protect Conditions(or
<br /> 2040 Cumulative Conditions).Positive values represent an increase and negative values represent a decrease
<br /> • Status Under Review
<br /> • Next Steps/Details: BART Board to select preferred alternative in spring
<br /> 2018.
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