Caltrans District 4 | Environmental Documents

Alameda | Contra Costa | Marin | Napa | San Francisco | San Mateo | Santa Clara | Solano | Sonoma

Caldecott Tunnel Environmental Document


• Caldecott Improvement Projecton State Route 24, Final Environmental Assessment / Environmental Impact Report


Caldecott Tunnel


• Caldecott Improvement Project Draft EA/EIR


Patterson Slough Bridge Deck


• Draft Mitigated Negative Declaration/Initial Study for the Patterson Slough Bridge Deck Rehabilitation Project 4.3MB
• Final Environmental Impact Statement


SFOBB Maintenance Complex


• SFOBB Maintenance Complex Project, replace and reconstruct existing maintenance facilities located at the San Francisco &ampmacr; Oakland Bay Bridge (SFOBB) toll plaza area (1.5MB)
  
  
  Uvas Creek Bridge Environmental Document
  
  
• Initial Study With Negative Declaration
  
  
  Route 13
  
  
• Route 13 Vegetation Management Project - Finding of no significant impact


I-80 Integrated Corridor Mobility (ICM) Project


• toc.pdf
• chapter_1_proposed_project.pdf
• chapter_2a_affected_environment_human_environment.pdf
• chapter_2b_affected_environment_physical_environment.pdf
• chapter_2d_affected_environment_cumulative_and_climate_change.pdf
• chapter_2c_affected_environment_biological_environment.pdf
• chapter_3_comments_and_coordination.pdf
• chapter_4_list_of_preparers.pdf
• chapter_5_distribution_list.pdf
• chapter_6_references.pdf
• appendices_cover.pdf
• appendix_b_titleiv_policy_statement.pdf
• appendix_b_titleiv_policy_statement.pdf
• appendix_c_maps_of_project_components.pdf
• appendix_d_bcdc_jurisdiction.pdf
• appendix_e_biological_resources.pdf
• appendix_f_usfws_letter_of_concurrence.pdf
• appendix_g_usfws_species_list.pdf
• appendix_h_ecr.pdf
• list_of_acronyms.pdf
• cover_and_front_end.pdf



Route 84 Niles Canyon Safety Project


• Niles Canyon Project I:
• Initial Study with Negative
• Niles Canyon Project II:
• Draft Environmental Impact Report/ Environmental Assessment
• UPDATE
• Niles Canyon Safety Project Home Page


Route 84 Realignment &amp widening in Alameda County


• Initial Study/Environmental Assessment, State Route 84 (Vallecitos Road), Pigeon Pass in Alameda County 04-ALA-KP 33.3137.0, (PM 20.7123.0), 04- 17 2400, April 2005


I-580 Eastbound Express Lane Project


• QUALITATIVE PM2.5 HOT SPOT ANALYSIS


I-580 Eastbound Truck Climbing Lane Draft. Env. Doc


• Truck Climbing Lane Chapters 1 - 5
• Truck Climbing Appendices
• Initial Study (12MB)
  
  
I-580 Westbound HOV Lane Project


• Air Quality Particulate Hot Spot Analysis
• Air Quality Public Notice for Draft Report on Fine Particulate Matter


• Initial Study with Proposed Mitigated Negative Declaration/Environmental Assessment
• Cover Sheet
• TOC
• Chapter 1
• Chapter 2
• Chapter 3
• Chapter 4
• Chapter 5
• Appendix A
• Appendix B
• Appendix C
• Appendix D


I-580 Eastbound HOV Lane Project
Environmental Assessment/ Initial Study


• front_matter
• chapters_1_to_5
• appendix_a
• appendices_b_to_f


I-580/Castro Valley Interchange Project


• I-580/Castro Valley Interchange Project - Initial Study / Environmental Assessment June, 2006 (9MB)


I-680

Interstate 680 High Occupancy Vehicle &amp Auxiliary Lanes, Sunol Grade Northbound | Initial Study and Environmental Assessment


• Initial Study (25MB)


I-880 Improvements at 23rd & 29th Ave

Initial Study with Mitigated Negative Declaration (CEQA) and Environmental Assessment (NEPA) with Findings of No Significant Impact (FONSI)
• cover_page
• Table of Contents
• chapter_1_proposed_project
• chapter_2_affected_environment_pages_31_to_102
• chapter_2_affected_environment_pages_103_to_178
• chapter_2_affected_environment_pages_179_to_268.pdf
• chapter_3_comments_coordination
• chapter_4_preparers
• chapter_5_distribution_list
• appendix_a
• appendix_b
• appendix_c
• appendix_d
• appendix_d
• appendix_e
• appendix_f
• appendix_g
• appendix_h
• appendix_i
• appendix_j



ISEA for the Interstate 880 Southbound HOV Lane Extension Project


• Project Assessment Form for PM 2.5 Interagency Consultation
• Initial Study (12MB)


I-880 HOV Lane Widening Project


• SANTA CLARA COUNTY, CA DISTRICT 4 – SCL – 880 (PM 4.1/8.7) EA 04-298300


I- 880/State Route 92 Interchange Reconstruction Project


• Final Environmental Impact Statement
  
  

Antioch Bridge Seismic Retrofit Project


• Antioch Bridge Seismic Retrofit Project DISTRICT 4 – CC –160, PM 0.8/1.3, SAC –160, PM 0.0/1.31A5210
  ( 40MB)


IMPACTS TO THE MARSH ELEMENTARY SCHOOL


• SECTION 4(F) DE MINIMIS FINDING


Mococo Overhead Seismic Restoration Project


• Initial Study with Proposed Mitigated Negative Declaration


Route 4 Main Street Widening Project


• Initial Studio (Proposed) Negative Declaration / Initial Study EA 2A170 0 Project Number 0400000810


Route 4 (East) Widening Project


• Loveridge Road to State Route 160 Draft Environmental Assessment / Initial Study


Route 4 Median Buffer Zone Project: Discovery Bay Appendices


• Initial Study R4_envornmental_document | 2MB
• Discovery Bay Chapter 2
• Discovery Bay Chapters 3,4,5
• Discovery Bay FED Cover and Table of Contents


I-80/San Pablo Dam Road Interchange Project


• Project Assessment Form for PM2.5 Interagency Consultation
• Initial Study with Mitigated Negative Declaration/Environmental Assessment with Finding of No Significant Impact 38MB


I-80 High-Occupancy Vehicle Lane Project

The Department of Transportation (Department) has prepared this Initial Study, which examines the potential environmental impacts of the alternatives being considered for the proposed project located inand near the city of Fairfield, Solano County, California.

• Initial Study/Proposed Mitigated Negative Declaration (31MB)


I-80 High Occupancy Vehicle Lane Gap Closure Project


• Draft EA-IS
• Figure 3.13-1
• Figure 1-2a
• Figure 1-2b
• Figure 1-2c
• Figure 1-2d
• Figure 1-2e
• Figure 1-2f
• Figure 1-2g
• Figure 1-1
• Figure 3.13-2
• Figure 3.13-3
• Figure 3.13-4
• Figure 3.13-5
• Appendices


Route 84 Expressway Widening Project

ALAMEDA COUNTY, CALIFORNIA
DISTRICT 04 - ALA - 84, PM 22.5/27.3 EA 297600
Initial Study with Negative Declaration/ Environmental Assessment with Finding of No Significant Impact


• Front Matter, Summary, and Chapters 1-7
• Appendix A
• Appendices B-H
• Appendix I (part 1 of 2)
• Appendices I (part 2 of 2), J, and K


I-680/State Route 4 Interchange Improvement Project


• Chapter 1
• Chapter 2
• Chapter 3-6
• Appendix A
• Appendix B-G
• Appendix H
• Appendix I
• Appendix J-L

MSN ROD


• MAN ROD - Record of Decision


Marin-Sonoma Narrows (MSN) HOV Widening Project Final Environmental Impact Report/ Final Environmental Impact Statement


• Final Environmental Impact Statement Document Page EA 0A0800


Route 101


• Marin 101 HOV Lane Gap Closure Final Environmental Impact Statement/Report
  
• Marin 101 HOV Lane Gap Closure Record of Decision
  
• Sonoma County Route 101 Initial Study/Environmental Assessment
• Route 101 Widening project from Route 12 in to Steele Lane Interchange in Santa Rosa
• Route101 Auxiliary Lanes Project 3rd Avenue to Millbrae Ave San Mateo County | Complete Document 22MB

Capell Creek Bridge Replacement Project


• Initial Study with Mitigated Negative Designation | 18MB


Duhig Road Rehabilitation and Curve Realignment Project


• Part 1 | 5MB
• Part 2 | 1MB


Route 12 Arnold Drive Curve Realignment and Trinity Road Intersection Improvements in Sonoma County


• Initial Study (2MB)
• Arnold Drive Cross Sections (5MB)


Sarco Creek Bridge Replacement Project


• Initial Study with Proposed Negative Declaration

Archaeology of a San Francisco Neighborhood


• Archaeologists work to uncover a San Francisco neighborhood, and learn about the people who lived there.


Bay Area Archeology


• The History and Archaeology of Yerba Buena Island
• Archeology of A San Francisco Neighborhood
• Digging West Oakland
• Archeology of The Central Freeway Project


East Spans Replacement Environmental Document (Support Documents)


• (PDF Files below Recoded 10/21/04 ) Marine Mammal Report
• Appendix C
• Appendix D
• Fisheries Report


The Yerba Buena Island Ramps Improvement Project

• Final EIR/EIS
• volume_1_ybi_final_eir_eis_through_appendix_g.pdf
• volume_2_ybi_final_eir_eis_ toc.pdf
• volume_2_ybi_final_eir_eis_appendix_h_j.pdf
• volume_2_ybi_final_eir_eis_appendix_n_r.pdf
• volume_2_ybi_final_eir_eis_appendix_k_m.pdf

• The Draft EIR/EIS
• volume_1_ybi_ramps_draft_eir_eis_through_appendix_g.pdf
• appendix_n_natural_environment_study.pdf
• appendix_k_ybi_water_quality_report.pdf
• appendix_m_ybi_noise_study_report.pdf
• appendix_i_ybi_visual_impact_assessment.pdf
• appendix_q_preliminary_foundation_memorandum.pdf
• appendix_p_paleontological_identification_report.pdf
• appendix_o_ybi_phase_1_isa_report.pdf
• appendix_h_ybi_traffic_forecast_and_operations_reports.pdf
• ybi_air_quality_analysis.pdf
• ybi_air_quality_analysis_addendum_memorandum.pdf
• rtp_and_rtip.pdf
• ybi_ramps_signed_foe.pdf
• supplemental_ybi_ramps_hpsr.pdf
• ybi_signed_hpsr_hrer_asr.pdf

DUMBARTON BRIDGE (#35-0038) SEISMIC RETROFIT PROJECT


• Initial Study with Mitigated Negative Declaration (CEQA) and Environmental Assessment (NEPA) with Findings of No Significant Impact (FONSI)


Route 1/Calera Parkway Widening Project from North of Reina Del Mar to South of Fassler Avenue


• calera_pkwy_deir_ea110801combined.pdf
• Project Assessment Form for PM2.5 Interagency Consultation
  
  
  
  Route 92
  
  Route 92 Uphill Slow Vehicle Lane and /Safety Improvements Initial Study and Environmental Assessment &

Route 101/Broadway Interchange Reconstruction Project - Final Environmental Document


• ea_235840_101bdwy_fed_1_front_matter_thru_chapter_6.pdf
• ea_235840_101bdwy_fed_2_apps_a_through_h.pdf
• ea_235840_101bdwy_fed_3_app_i_pt_1.pdf
• ea_235840_101bdwy_fed_4_app_i_pt_2.pdf
• ea_235840_101bdwy_fed_5_app_j.pdf

Route 101/Broadway Reconstruction Project - Draft Environmental Document


• Notice of Availability of Project-Level Conformity Information
• 101broadway_1of3_front_cover_thru_section2_6
• 101broadway_2of3_section2_7thru_chapter6
• 101broadway_3of3_appendices
• 101broadway_is_mind_ea_aug2010


Route 101 Auxiliary Lanes Embarcadero to Marsh Final Env. Doc


• Project Assessment Form for PM 2.5 Interagency Consultation
• Initial Study



Route 101 San Francisquito Creek Bridge Replacement Project


• Final Environmental Document
• Draft Environmental Document

Lover's Lane Safety Improvement Project, Santa Clara County


• Initial Study with Proposed Mitigated Negative Declaration


Uvas Creek Bridge Replacement


• Initial Study


State Route 9 Safety Improvement Project


• Final Environmental Impact Report / Environmental Assessment and Section 4(f) De Minimis Finding 3/8/11


Route 101 Solar Highways Pilot Project


• Initial Study with Proposed Mitigated Negative Declaration


Route 101 Auxiliary from State Route Route 85 to Embarcadero


• Initial Study


Route 101 Auxiliary Lanes Embarcadero to Marsh Final Env. Doc.


• Initial Study


Route 152


• Initial Study / Environmental Assessment - Safety Improvement Project on State Route 152 in Santa Clara County


Route 152 Hecker Pass Safety Improvement Project


• Final Environmental Impact Report/Environmental Assessment for the Hecker Pass Safety Improvement Project on SCL-152


I-280/880 Stevens Creek Project Project


• Approved July 2011 Complete Final EIR EA
• Improvements at SR-17/I-280/I-880 Interchange and I-880/Stevens Creek Boulevard Interchange
• VTA Web Site


I-680

Interstate 680 High Occupancy Vehicle &amp Auxiliary Lanes, Sunol Grade Northbound | Initial Study and Environmental Assessment


• Initial Study (25MB)

Solano County

Benicia State Recreation Area


• Finding for Impacts


Jepson Parkway Project


• jepson_parkway_feis_volume_1_appendicies_may2011.pdf
• jepson_parkway_feis_volume_1_final_may2011final.pdf
• jepson_parkway_feis_volume_2_may2011.pdf


The North Connector Project

Presented by Chapter Below:

• 1_purpose_and_need.pdf
• 2_1human_environment.pdf
• 2_2community_impacts.pdf
• 2_3utilities_emergency_services.pdf
• 2_4traffic.pdf
• 2_5visual_aesthetics.pdf
• 2_6cultural_resources.pdf
• 2_7hydrology.pdf
• 2_8water_quality.pdf
• 2_9geology_soils_seismic_topography.pdf
• 2_10air_quality.pdf
• 2_11hazardous_waste_materials.pdf
• 2_12noise.pdf
• 2_13biological_envioronment.pdf
• 2_14_4_f_resources.pdf
• 2_15cumulative_impacts.pdf
• 3_comments_coordination.pdf
• 4_list_of_preparers.pdf
• 5_distribution_list.pdf
• appendix_a_ceqa_checklist.pdf
• appendix_b_title_vi_policy_statement.pdf
• appendix_c_summary_of_relocation_benefits.pdf
• appendix_d_minimization_and_or_mitigation_summary.pdf
• appendix_e_list_of_technical_studies_and_references.pdf
• appendix_f_sta_letter_in_support_of_alignment_et3.pdf
• appendix_g_alternatives_considered.pdf
• appendix_h_section_106.pdf
• appendix_i.pdf
• cover_and_preface.pdf
• table_of_contents.pdf


Route 12 Shoulder Widening from Azevedo to Liberty Island Roads, and Left-Turn Pockets at Currie, McCloskey and Azevedo Roads


• Initial Study with Proposed Mitigated Negative Declaration (CEQA) FINAL ( 90MB) 4/27/11
• Initial Study with Proposed Mitigated Negative Declaration (CEQA)


Route 12 Jameson Canyon Road Widening & state routes 29/12 interchange project


• Jameson Canyon Document Page


Route 37


• Route 37 (Vallejo) Environmental Document


I-80/Interstate 680/State Route 12 Interchange Project


• PM 2.5 Hot Spot Analysis 2010 12/10
• Draft Environmental Impact Report/Environmental Impact Statement Vol 1
• Draft Environmental Impact Report/Environmental Impact Statement Vol 2


I-80 Eastbound Cordelia Truck Scales Relocation Project


• Final Environmental Impact Report
• truck_scales_final_environmental_impact_report_oct2009.pdf ( 140MB)


• Draft Environmental Impact Report/ Environmental Assessment
• front_matter.pdf
• ch_1_prop_project.pdf
• ch_2-0_aff_env.pdf
• ch_2-1_human_env.pdf
• ch_2-2_phys_env.pdf
• ch_2-3_bio_env.pdf
• ch_2-4_cumulative.pdf
• ch_3_ceqa.pdf
• ch_4_comments_coord.pdf
• ch_5_preparers.pdf
• ch_6_distribution.pdf
• ch_7_references.pdf

Sonoma County

Route 12 in Sonoma County at the Laguna de Santa Rosa Bridge just east of Morris Street in Sebastopol.


• Negative Declaration 07/01/10


Route 101 East Washington Street Interchange


• Initial Study with Mitigated Negative Declaration


101 Sonoma HOV Widening and Improvements Project Old Redwood Highway, Petaluma to Rohnert Park Expressway, Rohnert Park


• Environmental Assessment/Final Environmental Impact Report (EA/FEIR)
  
• front_matter
• summary
• chapter_1
• chapter_2
• chapter_3_sec_1
• chapter_3_sec_2_11
• chapter_3_sec_12_16
• chapter_4
• chapter_5
• chapter_6
• chapter_7
• chapter_8
• chapter_9
• chapter_10
• appendix_a
• appendix_b
• appendix_c
• appendix_d
• appendix_e
• appendix_f
• appendix_g
• appendix_h
• appendix_i
• appendix_j
• appendix_k
• appendix_l


Route 101 Sonoma HOV Widening and Improvements Project Steele Lane, Santa Rosa to Windsor Road, Windsor


• Environmental Assessment/Final Environmental Impact Report (EA/FEIR)


Route 116 Sebastopol to Cotati Roadway Rehabilitation Initial Study with Negative Declaration -- April 2009


• Chapters 1-8
• Appendices


Route 116 - Madrone Ave. Channelization Project


• Madrone Channelization Project Draft Initial Study


• Initial Study with Proposed Negative Declaration


Route 116 Initial Study for Stage Gulch Road project (6/21/10)


• 02 Cover, General Information, Title Page
• 03 Chapter 1
• 04 Chapter 2
• 05 Chapter 3
• 05 Chapter 4-5
• 05 Figures


Wilfred Avenue Interchange Project Negative Declaration/Finding of No Significant Impact (November 2006-Final Document). Public comment period for this project is closed


• Cover, Table of Contents, and Declarations
• Chapter 1 - Proposed Project
• Chapter 2 - Affected Environment, Environmental Consequences, Avoidance, Minimization, and/or Mitigation Measures
• Chapter 3 - Biological Environment
• Chapter 4 - Comments and Coordination
• Chapter 5 - List of Preparers
• Appendices A through F - CEQA Checklist, Cumulative Effects, Title VI Policy Statement, Local Road and Intersection Reconfigurations, Growth Inducement Study, Environmental Justice Study
• Appendices G through J - US Fish and Wildlife Service Biological Opinion, Agency Consulation and Coordination, List of Technical Studies, Other Documents Referenced