• DEIR Public Hearing Transcript [318kb]
• DEIR Public Hearing Presentation - November 18, 2009 [1.4mb]
• DEIR Executive Summary [1.8mb]
• DEIR Table of Contents [115kb]
• DEIR Errata Sheet - November 9, 2009 [210kb]
• DEIR Status Update - July 17, 2009 [116kb]

Draft Environmental Impact Report Certificate

• Certificate of the Secretary of Energy and Environmental Affairs on the DEIR - January 15, 2010 [1.7mb]
• DEIR commenters (in order of receipt) [281kb]
• DEIR comment letters (1 of 5) [89.3mb]
• DEIR comment letters (2 of 5) [66.7mb]
• DEIR comment letters (3 of 5) [69mb]
• DEIR comment letters (4 of 5) [109.5mb]
• DEIR comment letters (5 of 5) [67mb]

Volume 1 - Text

• Cover [2.2mb]
• Inside Cover [22kb]
• Distribution Letter [399kb]
• Table of Contents [93kb]
• Acronyms [75kb]
• EENF Certificate [1.2mb]
• Chapter One - Introduction and Background [195kb]
• Chapter Two - Purpose and Need [96kb]
• Chapter Three - Alternatives [486kb]
• Chapter Four - Affected Environment [1.1mb]
• Chapter Five - Environmental Consequences [1.3mb]
• Chapter Six - Draft Section 61 Findings and Mitigation Commitments [103mb]
• Chapter Seven - Distribution List [101kb]

Volume 2 - Figures

• Cover [2.2mb]
• Figure List [16kb]
• Figure 1-1: Study Area [1.1mb]
• Figure 3.3-1: Station Locus Map (Sheet 1 of 2) [2.4mb]
• Figure 3.3-2: Station Locus Map (Sheet 2 of 2) [2.8mb]
• Figure 3.3-3: Maintenance Facility Initial Site Alternatives [1.8mb]
• Figure 3.3-4: Preferred Maintenance Facility Site [463mb]
• Figure 3.5-1: Baseline Alternative [521mb]
• Figures 3.6-1 & 3.6-2: Alternatives 1 and 2 [1mb]
• Figures 3.6-3 & 3.6-4: Alternatives 3 and 4 [1mb]
• Figures 3.6-5 & 3.6-6: Alternatives 5 and 6 [1mb]
• Figure 3.7-1: Proposed Project [402mb]
• Figure 3.7-2: Relocated Lechmere Station - Station Layout [479mb]
• Figure 3.7-3: Relocated Lechmere Station - Station Plan [206mb]
• Figure 3.7-4: Relocated Lechmere Station - Circulation [1.6mb]
• Figure 3.7-5: Relocated Lechmere Station - Elevation [97mb]
• Figure 3.7-6: Brickbottom Station - Station Layout [584kb]
• Figure 3.7-7: Brickbottom Station - Station Plan [247kb]
• Figure 3.7-8: Brickbottom Station - Circulation [3.1mb]
• Figure 3.7-9: Brickbottom Station - Elevation [119kb]
• Figure 3.7-10: Gilman Square Station - Station Layout [378mb]
• Figure 3.7-11: Gilman Square Station - Station Plan [205mb]
• Figure 3.7-12: Gilman Square Station - Circulation [2.1mb]
• Figure 3.7-13: Gilman Square Station - Elevation [67mb]
• Figure 3.7-14: Lowell Street Station - Station Layout [149kb]
• Figure 3.7-15: Lowell Street Station - Station Plan [260kb]
• Figure 3.7-16: Lowell Street Station - Circulation [1.7mb]
• Figure 3.7-17: Lowell Street Station - Elevation [64kb]
• Figure 3.7-18: Ball Square Station - Station Layout [272kb]
• Figure 3.7-19: Ball Square Station - Station Plan [186kb]
• Figure 3.7-20: Ball Square Station - Circulation [3.2mb]
• Figure 3.7-21: Ball Square Station - Circulation [81kb]
• Figure 3.7-22: College Avenue Station Medford Hillside Terminus (Alt. 1,3) - Station Layout [383kb]
• Figure 3.7-23: College Avenue Station (Alt. 2,4,5) - Station Layout [376kb]
• Figure 3.7-24: College Avenue Station - Station Plan [270kb]
• Figure 3.7-25: College Avenue Station - Circulation [2mb]
• Figure 3.7-26: College Avenue Station - Elevation [186kb]
• Figure 3.7-27: Mystic Valley Parkway/Route 16 Station - Station Layout [310kb]
• Figure 3.7-28: Mystic Valley Parkway/Route 16 Station - Station Plan [112kb]
• Figure 3.7-29: Mystic Valley Parkway/Route 16 Station - Circulation [894kb]
• Figure 3.7-30: Mystic Valley Parkway/Route 16 Station - Elevation [91kb]
• Figure 3.7-31: Union Square Station - Station Layout [246mb]
• Figure 3.7-32: Union Square Station - Station Plan [172kb]
• Figure 3.7-33: Union Square Station - Circulation [859kb]
• Figure 3.7-34: Union Square Station - Elevation [92kb]
• Figure 3.7-37: Typical Construction Staging (1 of 2) [88kb]
• Figure 3.7-38: Typical Construction Staging (2 of 2) [120kb]
• Figure 4.1-1: Existing Conditions (1 of 10) [490kb]
• Figure 4.1-2: Existing Conditions (2 of 10) [525kb]
• Figure 4.1-3: Existing Conditions (3 of 10) [601kb]
• Figure 4.1-4: Existing Conditions (4 of 10) [563kb]
• Figure 4.1-5: Existing Conditions (5 of 10) [542kb]
• Figure 4.1-6: Existing Conditions (6 of 10) [524kb]
• Figure 4.1-7: Existing Conditions (7 of 10) [522kb]
• Figure 4.1-8: Existing Conditions (8 of 10) [517kb]
• Figure 4.1-9: Existing Conditions (9 of 10) [535kb]
• Figure 4.1-10: Existing Conditions (10 of 10) [571kb]
• Figure 4.2-1: Existing Land Use Index [1.4kb]
• Figure 4.2-2: Existing Land Use - Existing Lechmere Station [733kb]
• Figure 4.2-3: Existing Land Use - Brickbottom Station [872kb]
• Figure 4.2-4: Existing Land Use - Gilman Square Station [919kb]
• Figure 4.2-5: Existing Land Use - Lowell Street Station [865kb]
• Figure 4.2-6: Existing Land Use - Ball Square Station [840kb]
• Figure 4.2-7: Existing Land Use - College Avenue Station [845kb]
• Figure 4.2-8: Existing Land Use - Mystic Valley Parkway/Route 16 Station [1.2mb]
• Figure 4.2-9: Existing Land use - Union Square Station [914kb]
• Figure 4.2-10: Primary Use Zoning - Cities of Somerville, Medford, and Cambridge [1.7mb]
• Figure 4.4-1: State-Defined Environmental Justice Populations [1.8mb]
• Figure 4.5-1: Existing and Proposed MBTA Bus and Transit System [664kb]
• Figure 4.5-2: Existing MBTA Commuter Rail Routes [556kb]
• Figure 4.5-3: Existing Freight Rail Routes [531kb]
• Figure 4.6-1: Traffic Study Intersections [2.3mb]
• Figure 4.7-1: Microscale Air Quality Study Intersections [1.9mb]
• Figure 4.8-3: Noise and Vibration Measurement Sites [1.9mb]
• Figure 4.15-1: Location of Historic Resources (1 of 10) [489kb]
• Figure 4.15-2: Location of Historic Resources (2 of 10) [521kb]
• Figure 4.15-3: Location of Historic Resources (3 of 10) [582kb]
• Figure 4.15-4: Location of Historic Resources (4 of 10) [592kb]
• Figure 4.15-5: Location of Historic Resources (5 of 10) [616kb]
• Figure 4.15-6: Location of Historic Resources (6 of 10) [589kb]
• Figure 4.15-7: Location of Historic Resources (7 of 10) [582kb]
• Figure 4.15-8: Location of Historic Resources (8 of 10) [534kb]
• Figure 4.15-9: Location of Historic Resources (9 of 10) [575kb]
• Figure 4.15-10: Location of Historic Resources (10 of 10) [624kb]
• Figure 5.2-1: Proposed Property Acquisitions - Lechmere Station [1.2mb]
• Figure 5.2-2: Proposed Property Acquisition - Brickbottom Station [1.4mb]
• Figure 5.2-3: Proposed Property Acquisitions - Gilman Square Station [1.3mb]
• Figure 5.2-4: Proposed Property Acquisitions - Lowell Street Station [1.3mb]
• Figure 5.2-5: Proposed Property Acquisitions - Ball Square Station [2.5mb]
• Figure 5.2-6: Proposed Property Acquisitions - College Avenue Station [1.1mb]
• Figure 5.2-7: Proposed Property Acquisitions - Mystic Valley Parkway/Route 16 Station [2.1mb]
• Figure 5.2-8: Proposed Property Acquisitions - Union Square Station (Fitchburg Corridor Alternative) [1.3mb]
• Figure 5.2-9: Proposed Property Acquisitions - Union Square Station (In-Street Running Alternative) [1.4mb]
• Figure 5.7-2: Noise Impacts and Mitigation Measures (1 of 5) [2.3mb]
• Figure 5.7-3: Noise Impacts and Mitigation Measures (2 of 5) [1.3mb]
• Figure 5.7-4: Noise Impacts and Mitigation Measures (3 of 5) [2.4mb]
• Figure 5.7-5: Noise Impacts and Mitigation Measures (4 of 5) [2.6mb]
• Figure 5.7-6: Noise Impacts and Mitigation Measures (5 of 5) [2.5mb]
• Figure 5.8-2: Vibration Impacts and Mitigation Measures (1 of 5) [5.6mb]
• Figure 5.8-3: Vibration Impacts and Mitigation Measures (2 of 5) [5.6mb]
• Figure 5.8-4: Vibration Impacts and Mitigation Measures (3 of 5) [5.6mb]
• Figure 5.8-5: Vibration Impacts and Mitigation Measures (4 of 5) [5.6mb]
• Figure 5.8-6: Vibration Impacts and Mitigation Measures (5 of 5) [5.7mb]
• Figure 5.9-1: Proposed Stormwater Drainage [1.7mb]
• Figure 5.15-1: Proposed and Reasonably Foreseeable Projects [2mb]

Volume 3 - Responses to Comments on EENF (Appendix A)

• Cover [3.4mb]
• Index Page [76kb]
• Federal Agencies [399kb]
• State Agencies [7.4kb]
• Local Agencies [16.4mb]
• Community Organizations (1 of 2) [6.5mb]
• Community Organizations (2 of 2) [16.4]
• Businesses [809mb]
• Individuals (1 of 5) [7.9mb]
• Individuals (2 of 5) [6.4mb]
• Individuals (3 of 5) [5.2mb]
• Individuals (4 of 5) [789kb]
• Individuals (5 of 5) [12.7mb]

Appendices B-J

• Appendix B: Station and Alignment Selection Analysis [12.3mb]
• Appendix C: Green Line Support Facility Alternatives Analysis [4.7mb]
• Appendix D: Travel Demand Modeling Methodology [1.1mb]
• Appendix E: Plans and Feasibility Analysis for Proposed Community Paths [5.1mb]
• Appendix F: Traffic Analysis (1 of 6) [5.9mb]
• Appendix F: Traffic Analysis (2 of 6) [12.3mb]
• Appendix F: Traffic Analysis (3 of 6) [3.2mb]
• Appendix F: Traffic Analysis (4 of 6) [11.4mb]
• Appendix F: Traffic Analysis (5 of 6) [10.9mb]
• Appendix F: Traffic Analysis (6 of 6) [6.7mb]
• Appendix G: Transit Access for Environmental Justice and Disability Populations [869kb]
• Appendix H: Air Quality Analysis [5.7mb]
• Appendix I: Draft Section 4(f) Evaluation [9.9mb]
• Appendix J: Draft Memorandum of Agreement [135kb]