Appendix I. Modeling Summary Results

Transcription

1 Appendix I Modeling Summary Results In addition to the illustrative scenarios that were discussed in Chapter, project-level analysis was also completed for enhancement and expansion projects. The results of this project-level analysis are reported in this appendix. In addition to the projects included in the illustrative scenarios, this appendix also lists some projects that that were not in any of the scenarios but were discussed in Chapter. There are a few projects that are not included in this appendix because, for the most part, they either have not entered the conceptual planning process or are still in the very early stages of that process. Modeling Summary Results I-

2 TABLE I- Results of Individual Project Modeling: Ridership Change in Transit Ridership Diversions f r o m Linked Trips Unlinked Trips Auto Mode Re d u c- t i o n in Tr a n s f e r s In c r e a s e in Tr a n s i t Mode Share Tr a v e l Ti m e Reduction in VMT Sa v i n g s Lo w Hi g h Lo w Hi g h Lo w Hi g h Ye s/no Lo w Hi g h Lo w Hi g h Lo w Hi g h Route BRT: Harvard- Dudley Route BRT: Ashmont-Ruggles Route BRT: Mattapan-Forest Hills Route BRT: Wolcott Sq.-Forest Hills Route BRT: Forest Hills-Back Bay Route BRT: Watertown-Kenmore Route BRT: Harvard- Dudley Route BRT: Watertown Sq.-Harvard Route BRT: Waverley-Harvard Route BRT: Arlington Hghts.-Harvard Route BRT: Woodlawn-Haymarket Northwest,,,,,, N.%.%,,,,,,,,,, N.%.%,,,, Southwest N.%.%,, Southwest,,,, N.%.%,,, Southwest,,,,,, N.%.%,,,, West,,,,,, N.%.%,,,,,,,,,, N.%.%,,,, Northwest,,,, N.%.%,, Northwest, N.%.%,, Northwest,,,,,, N.%.%,,,, Northeast,,,,,, N.%.%,,,, Alewife access busways Northwest,, N.%.%,, New Park-and- Ride Spaces Assembly Sq. Orange Line Station Improved Orange Line Frequencies Systemwide N.%.%,, North,,,,,, Y.%.%,, North,,,, N.%.%,,, Yawkey Station upgrade West N nm* nm* nm* nm* Ruggles Station expansion Fitchburg Line Worcester Line Service Southwest,, N.%.%,, Northwest,, N.%.%,,, West,, N.%.%,, Enhancement Scenario I- Program for Mass Transportation

3 TABLE I- (cont.) Results of Individual Project Modeling: Ridership Change in Transit Ridership Diversions f r o m Linked Trips Unlinked Trips Auto Mode Re d u c- t i o n in Tr a n s f e r s In c r e a s e in Tr a n s i t Mode Share Tr a v e l Ti m e Reduction in VMT Sa v i n g s Lo w Hi g h Lo w Hi g h Lo w Hi g h Ye s/no Lo w Hi g h Lo w Hi g h Lo w Hi g h Fairmount Line improvements Southwest,, Y.%.%, Green Line to Medford Northwest,, -, -,,, Y.%.%,,,, Urban Ring,,,,,, Y.%.%,,,, Blue Line extension Northeast,,,,,, N.%.%,,,, Silver Line Phase III Central,,,,,, N*.%.%,,,, Dudley South BRT extension Nashua/Manchester extension Southeast,, -, -,,, Y.%.%,,,, North,,,,,, N.%.%,, Plaistow extension North,,,,,, N.%.%,, T. F. Green extension Southwest,,,, N.%.%,, Red-Blue connector Central ** ** ** ** ** ** ** ** ** ** ** ** ** South Coast Rail Southwest *** *** *** *** *** *** *** *** *** *** *** *** *** North-South Rail Link Central,,,,,, Y.%.%,,,, Commuter rail to Gardner Northwest ** ** ** ** ** ** ** ** ** ** ** ** ** Green Line to Needham West,,,,, Y.%.%,, Commuter rail to Wareham Commuter rail electrification Southeast,,,,,, N.%.% tbd tbd,, Systemwide,,,,,, N.%.%,,,, * Not meaningful ** New analysis in progress *** Analysis ongoing preferred alternative not yet selected Other Projects Expansion Scenario Mo d e l i n g Su m m a r y Re s u l t s I-

4 TABLE I- Results of Individual Project Modeling: Air Quality r a m s o f CO r a m s o f CO r a m s o f VOC r a m s o f NO X Re d u c t i o n in Ki l o g r a m s o f PM r a m s o f PM. Lo w Hi g h Lo w Hi g h Lo w Hi g h Lo w Hi g h Lo w Hi g h Lo w Hi g h Route BRT: Harvard-Dudley Northwest,, Route BRT: Ashmont-Ruggles,, Route BRT: Mattapan-Forest Southwest,, Hills Route BRT: Wolcott Sq.-Forest Hills Route BRT: Forest Hills-Back Bay Route BRT: Watertown-Kenmore Southwest,, Southwest,, West,, Route BRT: Harvard-Dudley,, Route BRT: Watertown Sq.-Harvard Northwest,, Route BRT: Waverley-Harvard Northwest,, Route BRT: Arlington Hghts.-Harvard Route BRT: Woodlawn- Haymarket Northwest,, Northeast,, Alewife access busways Northwest, New Park-and-Ride Spaces Systemwide,, Assembly Sq. Orange Line Station North,, Improved Orange Line Frequencies North,, Yawkey Station upgrade West nm nm Ruggles Station expansion Southwest,, Fitchburg Line Northwest,, Worcester Line Service West,, Enhancement Scenario I- Program for Mass Transportation

5 TABLE I- (cont.) Results of Individual Project Modeling: Air Quality r a m s o f CO r a m s o f CO r a m s o f VOC r a m s o f NO X Re d u c t i o n in Ki l o g r a m s o f PM r a m s o f PM. Lo w Hi g h Lo w Hi g h Lo w Hi g h Lo w Hi g h Lo w Hi g h Lo w Hi g h Fairmount Line improvements Southwest Green Line to Medford Northwest,, Urban Ring,, Blue Line extension Northeast,, Silver Line Phase III Central,, Dudley South BRT Extension Southeast,, Nashua/Manchester extension North,, Plaistow extension North,, T. F. Green extension Southwest,, Red-Blue connector Central ** ** ** ** ** ** ** ** ** ** ** ** South Coast Rail Southwest *** *** *** *** *** *** *** *** *** *** *** *** North-South Rail Link Central,, Commuter rail to Gardner Northwest ** ** ** ** ** ** ** ** ** ** ** ** Green Line to Needham West,, nm * nm * nm * nm * Commuter rail to Wareham Southeast,, Commuter rail electrification Systemwide,, * Not meaningful ** New analysis in progress *** Analysis ongoing preferred alternative not yet selected Other Projects Expansion Scenario Mo d e l i n g Su m m a r y Re s u l t s I-