I-495 & I-270 Managed Lanes Study
I-495 & I-270 Managed Lanes Study
I-495 & I-270 Managed Lanes Study
Draft Environmental Impact Statement (DEIS)
Please click on the buttons below to view the DEIS and Joint Federal/State Permit Application (JPA), find document availability locations to review hard copies of the DEIS and JPA, view dates and how to participate in the joint public hearings, and ways to comment on the DEIS and JPA.
FHWA and MDOT SHA have completed the Draft Environmental Impact Statement (DEIS) and Draft Section 4(f) Evaluation for the Managed Lanes Study, with the Notice of Availability published in the Federal Register on July 10, 2020. The DEIS includes traffic, environmental, engineering, and financial analyses of the Build Alternatives and the No Build Alternative. This DEIS provides an opportunity for the public, interest groups and other agencies to review and provide comment on the proposed federal action and the adverse and beneficial environmental impacts and proposed mitigation for unavoidable impacts.
FHWA, MDOT SHA, and the Maryland Department of the Environment (MDE) will conduct six Joint Public Hearings. The U.S. Army Corps of Engineers (USACE) will participate in one hearing on August 25 to meet the Department of the Army requirements. Comments will also be accepted on the Joint Federal/State Application (JPA) for the Alteration of Any Floodplain, Waterway, Tidal or Nontidal Wetland in Maryland. USACE is responsible for reviewing the JPA per the Clean Water Act, Section 404(b)(1) and MDE is responsible for reviewing the Application per Environment Article §5-503 and §5-906, Annotated Code of Maryland.
Public and agency comments on the DEIS will be accepted between July 10 and October 8, 2020. COMMENT PERIOD EXTENDED TO NOVEMBER 9, 2020
View the DEIS Documents
FHWA and MDOT SHA have completed the Draft Environmental Impact Statement (DEIS) and Draft Section 4(f) Evaluation for the Managed Lanes Study, with the Notice of Availability published in the Federal Register on July 10, 2020. The Draft Environmental Impact Statement or DEIS provides a summary of the 19 technical reports and contains ten chapters.
DEIS Document by Chapter
Chapter 1 presents the Study’s Purpose and Need
Chapter 2 presents the alternatives development and analysis
Chapter 3 presents the existing and future traffic conditions and the results from the traffic operational analyses
Chapter 4 presents the existing environmental conditions (affected environment), the anticipated effects to the resources (environmental consequences), and measures to avoid, minimize, and mitigate potential environmental effects, where applicable.
Chapter 5 presents a summary of the Draft Section 4(f) Evaluation, which discusses the potential effects to significant public parks, recreational areas, and historic properties in compliance with Section 4(f) of the US Department of Transportation (USDOT) Act of 1966.
Chapter 6 presents the Executive Order 13807: Establishing Discipline and Accountability in the Environmental Review and Permitting Process for Infrastructure Projects that requires Federal agencies to process environmental reviews and authorization decisions for major infrastructure projects as “One Federal Decision.”
Chapter 7 presents a summary of the public outreach and agency coordination for the Study that has occurred, to date.
Chapter 8 presents the List of Preparers of the DEIS
Chapter 9 presents the Distribution List of agencies, organizations, and persons to whom the DEIS was made available for review and comment.
Chapter 10 presents the references for the DEIS.
DEIS Technical Reports
To review the 19 supporting DEIS Technical Reports click on the report titles below. Note, unless otherwise listed the appendices supporting each DEIS Technical Report are include in the single file for viewing, if applicable. In cases where the files are large, they have been broken up into smaller file sizes for viewing.
|APPENDIX A||Purpose and Need Statement|
Alternatives Technical Report
Appendix A & B: MD 200 Diversion Alternatives Analysis Results Paper and Alternative 9 Modified Preliminary Evaluation
|APPENDIX C||Traffic Technical Report|
|APPENDIX D||Environmental Resource Mapping|
|APPENDIX E||Community Effects Assessment/ Environmental Justice Technical Report|
|APPENDIX F||Draft Section 4(f) Evaluation|
Cultural Resources Technical Report (Redacted)
Volume 1: Overview and Effects Assessment
Volume 2: Archaeological and Historic Architectural Gap Analysis and Assessment
Volume 3 Part 1: Architectural Resources Evaluation Technical Report
Volume 4: Phase I Archaeological Investigation
Volume 5: Phase II Archaeological Evaluation at Sites 18PR750, 18MO749, and 18MO751 for the I-495 & I-270 Managed Lanes
Volume 6: Phase I Archaeological Survey, Intensive Phase I Archaeological Survey of 44FX0373, and Phase II Archaeological Evaluation at Sites 44FX0374, 44FX0379, 44FX0381, 44FX0389, 44FX3160, and 44FX3900 Within the George Washington Memorial Parkway for the I-495 Northern Extension (NEXT) Project and the I-495/I-270 Managed Lanes Study, Fairfax County, Virginia
|APPENDIX H||Draft Section 106 Programmatic Agreement|
|APPENDIX I||Air Quality Technical Report|
|APPENDIX J||Noise Analysis Technical Report|
Hazardous Materials Technical Report
Appendix A: Priority Table
Appendix B: 700-foot Scale Sites of Concern Maps
Appendix C: 200-foot Scale Potential Environmental Concerns Maps
Appendix D: EDR Report
Appendix E: MDE Records
Appendix F: Photo Log
Natural Resources Technical Report
Appendix A: Impact Tables
Appendix B: Natural Resources Inventory Maps
Appendix C: Soil Tables
Appendix D: Overview and Key Maps
Appendix E: Delineated Features Table
Appendix F: Delineated Features Maps
Appendix G Part 1: Field Datasheets
Appendix H Part 1: Photo Documentation
Appendix I: NPS Property Additional Information
Appendix J: Wetland Functions and Values Table
Appendix K: Aquatic Biota and Surface Water Sampling Monitoring Map
Appendix L: Wildlife Table
Appendix M: Aquatic Biota Monitoring Table
Appendix N: Agency Correspondence
Appendix O: Sampled Fish Table
Appendix P: Bridge Survey Report Northern Long Eared Bat and Indiana Bat
Appendix Q: Unique and Sensitive Areas Map
Appendix R: RTE Plant Species Survey
|APPENDIX M||Avoidance, Minimization & Impacts Report (AMR)|
|APPENDIX N||Draft Compensatory Mitigation Plan|
|APPENDIX O||Indirect and Cumulative Effects Technical Report|
|APPENDIX P||Public Involvement & Agency Coordination Technical Report|
|APPENDIX Q||Conceptual Mitigation Plan|
|APPENDIX R||Joint Permit Application|
|APPENDIX S||Environmental Assessment Form|
DEIS and JPA In-Person Document Availability
Hard copies are available for review of the DEIS and JPA. The DEIS Technical Reports and JPA Appendices are also available electronically with the hard copies of the DEIS and JPA. Hard copies are available for review as follows or view the document locations map:
MARYLAND STATE OFFICES: Viewing hours include Monday to Friday 11 AM to 7 PM, Saturday and Sunday 12 to 5 PM
Montgomery County: MDOT SHA Gaithersburg Shop, 502 Quince Orchard Road, Gaithersburg, MD 20878 | MDTA MD 200 West Operations, 16902 Crabbs Branch Way, Rockville, MD 20855 | MDOT SHA Fairland Shop, 12020 Plum Orchard Road, Silver Spring, MD 20904 | MDOT SHA Silver Spring Study Office, 8537 Georgia Avenue, Silver Spring, MD 2091
Prince George’s County: MDOT SHA District 3 Office, 9300 Kenilworth Avenue, Greenbelt, MD 20770
VIRGINIA STATE OFFICE: Viewing hours include Monday to Friday 9 AM to 4 PM
Fairfax County: VDOT Northern Virginia District Office, 4975 Alliance Drive, Fairfax, VA 22030
MARYLAND LIBRARIES: Hard copies will be available in trailers in the library parking lots. Viewing hours include Tuesday and Thursday 11 AM to 7 PM, and Sunday 12 to 5 PM. Once libraries are open to the public, the hard copies will be available for review in the libraries during normal branch hours.
Montgomery County: Chevy Chase Library | Davis (North Bethesda) Library | Kensington Park Library | Potomac Library
Prince George’s County: Glenarden Branch Library | Largo-Kettering Branch Library | New Carrollton Branch Library | Spauldings Branch Library
WASHINGTON DC LIBRARY: Viewing hours include Monday through Friday from 11 AM to 2 PM and 3 to 7 PM. Should library hours change, the document will be available during normal branch hours.
Washington DC: Shepherd Park Neighborhood Library
US POST OFFICES: Viewing hours include Monday to Friday 9 AM to 5 PM, Saturday 9 AM to Varies (see below)
Montgomery County: West Lake PO (Saturday closes at 1 PM), 10421 Motor City Drive, Bethesda, MD 20817 | Rockville PO (Saturday closes at 4 PM), 500 N Washington Street, Rockville, MD 20850
Prince George’s County: Kenilworth PO (Saturday closes at 12 PM ), 6270 Kenilworth Ave, Riverdale, MD 20737 | Hampton Park PO (Saturday closes at 4 PM), 9201 Edgeworth Drive, Capitol Heights, MD 20790 | Largo PO (Saturday closes at 3 PM), 9801 Apollo Drive, Upper Marlboro, MD 20774 | Temple Hills PO, 4806 Saint Barnabas Rd, Temple Hills, MD 20748