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Project Update
November 2017 Midcounty Corridor Study Update
The Montgomery County Council approved the resolution titled “Transportation Solution for Northwest Montgomery County” on October 31, 2017. The resolution instructs the County Planning Board to ignore M-83, the long-planned roadway which would connect the Midcounty Highway in Gaithersburg to Snowden Farm Parkway in Clarksburg, when making future decisions about development.
Project Documents
Transportation Solution for Northwest Montgomery County
Midcounty Corridor Study Supplemental Study
March 2015 Draft Preferred Alternative/Conceptual Mitigation Report (PA/CM):
Volume I - Draft Preferred Alternative/Conceptual Mitigation Report
- Acknowledgements
- Executive Summary
- Table of Contents
- Section 1 - Introduction
- Section 2 - Purpose and Need
- Section 3 - Alternatives Retained for Detailed Study
- Section 4 - Transportation Measure of Effectiveness
- Section 5 - Additional Impact Analysis since the Draft EER
- Section 6 - Consideraion of Comments Received
- Section 7 - Preferred Alternative
- Section 8 - Mitigation
Volume II - Appendices
- Appendix A - Agency Comment Letters
- Appendix B - Responses to Agency Comment Letters
- Appendix C - Planning Board November 2013 Letter
- Appendix D - Wetlands/Streams Mitigation Sites
- Appendix E - Parks/FIDS/Forest Mitigation
MCDOT February 4, 2014 Responses to Comments from USACE/MDE/EPA/the City of Gaithersburg:
- MCDOT February 4, 2014 Responses to MDE December 12, 2013 Information Letter (pdf, 88 Kb)
- MCDOT February 4, 2014 Responses to USACE November 19, 2013 Information Letter (pdf, 1.9 Mb)
- MCDOT February 4, 2014 Responses to EPA August 20, 2013 Comment Letter (pdf, 2.4 Mb)
- MCDOT February 4, 2014 Responses to The City of Gaithersburg July 17, 2013 Comment Letter (pdf, 32 Kb)
MDE Information Request Letter resulting from Public Comment Period:
- MDE December 12, 2013 Information Request Letter (pdf, 1.3 Mb)
- Enclosures Part 1 of 6 (pdf, 768 Kb)
- Enclosures Part 2 of 6 (pdf, 1.2 Mb)
- Enclosures Part 3 of 6 (pdf, 1.5 Mb)
- Enclosures Part 4 of 6 (pdf, 1.0 Mb)
- Enclosures Part 5 of 6 (pdf, 1.2 Mb)
- Enclosures Part 6 of 6 (pdf, 1.7 Mb)
Montgomery County Planning Board’s Recommendations on the Midcounty Corridor Study
USACE Information Request Letter resulting from Public Comment Period:
- USACE November 19, 2013 Information Request Letter (pdf, 393 Kb)
- Enclosures Part 1 of 6 (pdf, 20.0 Mb)
- Enclosures Part 2 of 6 (pdf, 20.0 Mb)
- Enclosures Part 3 of 6 (pdf, 26.7 Mb)
- Enclosures Part 4 of 6 (pdf, 26.7 Mb)
- Enclosures Part 5 of 6 (pdf, 15.5 Mb)
- Enclosures Part 6 of 6 (pdf, 9.0 Mb)
EPA Comment Letter on the May 2013 Draft EER:
- EPA August 20, 2013 Comment Letter (pdf, 995 Kb)
The City of Gaithersburg Comment Letter on the May 2013 Draft EER:
May 2013 Draft Environmental Effects Report (EER):
- Introduction (pdf, 75 Kb)
- Table of Contents (pdf, 206 Kb)
- Executive Summary (pdf, 244 Kb)
- Section 1 - Purpose and Need (pdf, 624 Kb)
- Section 2 - Alternatives (pdf, 2.4 Mb)
- Section 3 - Transportation Comparison of the Alternatives (pdf, 7.7 Mb)
- Section 4 - Socioeconomic Resources (pdf, 4.9 Mb)
- Section 5 - Natural Resources (pdf, 10.1 Mb)
- Section 6 - Air Quality (pdf, 327 Kb)
- Section 7 - Indirect and Cumulative Effects (pdf, 232 Kb)
- ICC Secondary & Cumulative Effects Analysis (pdf, 35.2 Mb)
- Section 8 - Historic Architectural and Archeological Resources (pdf, 2.4 Mb)
- Section 9 - Public Involvement (pdf, 275 Kb)
- Appendix - Agency Correspondence (pdf, 4.6 Mb)
- Figures:
Alternative 4 Modified - Brink/Wightman/Snouffer School/Muncaster Mill:
- Plan Sheet 1 (pdf, 802 Kb)
- Plan Sheet 2 (pdf, 909 Kb)
- Plan Sheet 3 (pdf, 1.1 Mb)
- Plan Sheet 4 (pdf, 1.1 Mb)
- Plan Sheet 5 (pdf, 1.0 Mb)
- Plan Sheet 6 (pdf, 1.0 Mb)
- Plan Sheet 7 (pdf, 982 Kb)
- Plan Sheet 8 (pdf, 1.0 Mb)
Alternative 5 - MD 355 with Service Roads:
- Plan Sheet 1 (pdf, 2.4 Mb)
- Plan Sheet 2 (pdf, 2.7 Mb)
- Plan Sheet 3 (pdf, 2.8 Mb)
- Plan Sheet 4 (pdf, 3.1 Mb)
- Plan Sheet 5 (pdf, 3.0 Mb)
- Plan Sheet 6 (pdf, 2.8 Mb)
- Plan Sheet 7 (pdf, 3.0 Mb)
- Plan Sheet 8 (pdf, 4.3 Mb)
Alternative 8 - Master Plan Alignment truncated at Watkins Mill Road:
- Plan Sheet 1A (pdf, 4.4 Mb)
- Plan Sheet 1B (pdf, 4.6 Mb)
- Plan Sheet 1D (pdf, 4.7 Mb)
- Plan Sheet 2A (pdf, 4.4 Mb)
- Plan Sheet 2B (pdf, 4.6 Mb)
- Plan Sheet 2D (pdf, 4.7 Mb)
- Plan Sheet 3 (pdf, 3.3 Mb)
- Plan Sheet 4 (pdf, 2.2 Mb)
- Plan Sheet 5 (pdf, 5.5 Mb)
- Plan Sheet 6 (pdf, 5.5 Mb)
Alternative 9 - Master Plan Alignment:
- Plan Sheet 1A (pdf, 4.4 Mb)
- Plan Sheet 1B (pdf, 4.6 Mb)
- Plan Sheet 1D (pdf, 4.7 Mb)
- Plan Sheet 2A (pdf, 4.4 Mb)
- Plan Sheet 2B (pdf, 4.6 Mb)
- Plan Sheet 2D (pdf, 4.7 Mb)
- Plan Sheet 3 (pdf, 3.3 Mb)
- Plan Sheet 4 (pdf, 2.2 Mb)
- Plan Sheet 5 (pdf, 5.5 Mb)
- Plan Sheet 6 (pdf, 5.5 Mb)
- Plan Sheet 7 (pdf, 5.5 Mb)
Midcounty Corridor Study Video:
- Video at low resolution (Window Media Video (.wmv), 31 Mb)
- Video at high resolution (Window Media Video (.wmv), 167 Mb)
- June 2012 Midcounty Corridor Study Traffic Report (pdf, 3.6 mb)
- June 2012 Midcounty Corridor Study Traffic Report Appendix (pdf, 17.9 mb)
Alternatives Retained for Detailed Study:
- November 2010 Alternative Retained for Detailed Study (ARDS) Map (pdf, 9.9 mb)
- November 2010 Modified ARDS Recommendations (pdf, 9.9 mb)
- June 2010 ARDS Recommendations (pdf, 9.9 mb)
Purpose and Need
- January 2007 Purpose and Need (pdf, 9.9 mb)
Public Workshops / Meetings / Hearings
USACE/MDE Joint Public Hearing August 7, 2013
Seneca Valley High School (click link to view location map, pdf, 98kb)
19401 Crystal Rock Drive
Germantown, MD 20874
4:30 PM - 6:30 PM Poster Session
6:30 PM - 10:30 PM Public Hearing
Public Notice for USACE/MDE Joint Public Hearing (pdf, 3.1 mb)
Transcript for USACE/MDE Joint Public Hearing (pdf, 903 kb)
Briefing with Planning Board
July 18, 2013, 3:00 PM
8787 Georgia Avenue
Silver Spring, MD 20910
Presentation Slides (pdf, 2.5 mb)
Briefing with the City of Gaithersburg at Mayor and City Council Work Session
May 13, 2013, 7:30 PM
31 South Summit Avenue
Gaithersburg, MD 20877
Presentation Slides (pdf, 2.4 mb)
Public Workshop #3
June 6, 2012, 4:00 PM - 9:00 PM
Watkins Mill High School, Cafeteria
10301 Apple Ridge Road
Gaithersburg, MD 20879
Meeting Materials:
Video:
- Video at low resolution (Window Media Video (.wmv), 31 Mb)
- Video at high resolution (Window Media Video (.wmv), 167 Mb)
Handout (pdf, 9.9 Mb)
Welcome (pdf, 1.25 Mb)
Study Process and Schedule (pdf, 501 Kb)
Purpose and Need (pdf, 654 Kb)
Stay Involved (pdf, 575 Kb)
Summary of Impacts (pdf, 988 Kb)
Final Alternatives Retained for Detailed Study (ARDS) Map (pdf, 12.3 Mb)
Alternative 1 - No-Build
Description (pdf, 691 Kb)
Alternative 2 - Transportation Systems Management/Transportation Demand Management
Description (pdf, 654 Kb)
Alternative 4 Modified - Brink/Wightman/Snouffer School/Muncaster Mill:
Description and Typical Sections (pdf, 1.5 Mb)
Plan Sheet 1 (pdf, 2.7 Mb)
Plan Sheet 2 (pdf, 3.1 Mb)
Plan Sheet 3 (pdf, 3.3 Mb)
Plan Sheet 4 (pdf, 3.3 Mb)
Plan Sheet 5 (pdf, 3.1 Mb)
Plan Sheet 6 (pdf, 2.9 Mb)
Plan Sheet 7 (pdf, 4.3 Mb)
Alternative 5 - MD 355 with Service Roads:
Description and Typical Sections (pdf, 1.3 Mb)
Plan Sheet 1 (pdf, 2.4 Mb)
Plan Sheet 2 (pdf, 2.7 Mb)
Plan Sheet 3 (pdf, 2.8 Mb)
Plan Sheet 4 (pdf, 3.1 Mb)
Plan Sheet 5 (pdf, 3.0 Mb)
Plan Sheet 6 (pdf, 2.8 Mb)
Plan Sheet 7 (pdf, 3.0 Mb)
Alternative 8 - Master Plan Alignment truncated at Watkins Mill Road:
Description and Typical Sections (pdf, 1.8 Mb)
Plan Sheet 1A (pdf, 4.4 Mb)
Plan Sheet 1B (pdf, 4.6 Mb)
Plan Sheet 1D (pdf, 4.7 Mb)
Plan Sheet 2 (pdf, 3.3 Mb)
Plan Sheet 3 (pdf, 2.2 Mb)
Plan Sheet 4 (pdf, 5.5 Mb)
Alternative 9 - Master Plan Alignment:
Description and Typical Sections (pdf, 1.8 Mb)
Plan Sheet 1A (pdf, 4.3 Mb)
Plan Sheet 1B (pdf, 4.6 Mb)
Plan Sheet 1D (pdf, 4.6 Mb)
Plan Sheet 2 (pdf, 3.2 Mb)
Plan Sheet 3 (pdf, 2.2 Mb)
Plan Sheet 4 (pdf, 2.8 Mb)
Plan Sheet 5 (pdf, 4.7 Mb)
Public Workshop #2
December 12, 2007, 7:00 PM - 9:00 PM
Seneca Valley High School (click link to view location map, pdf, 98kb)
19401 Crystal Rock Drive
Germantown, MD 20874
Public Workshop #1
November 15, 2004, 6:30 PM - 8:00 PM
Neelsville Middle School Cafeteria
11700 Neelsville Church Road
Germantown, MD 20876
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Newsletters
May 2012 Newsletter (pdf, 567kb) – “invitation to attend the Midcounty Corridor Study Public Workshop – June 6, 2012”
April 2011 Newsletter (pdf, 567kb) – “Overview of the approved Alternatives Retained for Detailed Study (ARDS) and outline of the next steps.”
October 2007 Update Newsletter (pdf, 59kb) – “Cancellation of the Midcounty Corridor Study Public Workshop – October 25, 2007, and new schedule and location of the Midcounty Corridor Study Public Workshop – December 12, 2007”
October 2007 Newsletter (pdf, 215kb) – “Invitation to attend the Midcounty Corridor Study Public Workshop – October 25, 2007”
October 2004 Newsletter (pdf, 905kb) – “Invitation to attend the Midcounty Highway/Middlebrook Road Public Workshop – November 15, 2004”
May 2004 Newsletter (pdf, 958kb) – “Initiation of the Midcounty Highway/Middlebrook Road Phase I Facility Planning”