Mount Auburn Street Corridor Study August 18, 2016 Russell Youth - - PowerPoint PPT Presentation

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Mount Auburn Street Corridor Study August 18, 2016 Russell Youth - - PowerPoint PPT Presentation

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Mount Auburn Street Corridor Study August 18, 2016 Russell Youth Community Center Commonwealth of Massachusetts Governor Charles D. Baker Lieutenant Governor Karyn E. Polito Energy and Environmental Secretary Matthew A. Beaton Department

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August 18, 2016 Russell Youth Community Center

Mount Auburn Street Corridor Study

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Mount Auburn Street Corridor Study

Commonwealth of Massachusetts

Governor

Charles D. Baker

Lieutenant Governor

Karyn E. Polito

Energy and Environmental Secretary

Matthew A. Beaton

Department of Conservation and Recreation Commissioner

Leo P. Roy

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Mount Auburn Street Corridor Study

DCR Mission Statement

To protect, promote and enhance our common wealth of natural, cultural and recreational resources for the well-being of all.

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Mount Auburn Street Corridor Study

Agenda

  • Welcome
  • Mt Auburn Concept Draft Updates
  • Fresh Pond Parkway Concept Draft
  • Plaza Design Charrette
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Mount Auburn Street Corridor Study

Agenda

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Mount Auburn Street Corridor Study

Schedule

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Mount Auburn Street Corridor Study

PLEASE NOTE: The following concepts are drafts; works in progress shown only for the purpose of collecting public feedback for their improvement.

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Mount Auburn Street Corridor Study

  • Mt. Auburn Draft Concept Updates
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Mount Auburn Street Corridor Study

Signal Likely Warranted at Mt Auburn at Brattle Street

  • Peak-hour, four-hour volumes warrant a traffic signal, estimates

for eight-hour volumes also warrant a signal. (MUTCD 2009)

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Mount Auburn Street Corridor Study

New Bike Connection at Fresh Pond Parkway

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Mount Auburn Street Corridor Study

  • Mt. Auburn Roundabout Feasibility
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Mount Auburn Street Corridor Study

Roundabout Feasibility — Historic View

1952

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Existing Conditions

Circa 2015

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Placement vs. 1952

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Placement vs. Existing I

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Placement vs. Existing II

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Rotary vs. Roundabout

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Mount Auburn Street Corridor Study Roundabout Feasibility — Outside Diameter

168 feet diameter

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Mount Auburn Street Corridor Study Roundabout Feasibility — Inside Diameter

90 feet diameter

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Lane Configuration

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Residential Impacts

.22 acres and two homes

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Avoiding Residential Impacts

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Mount Auburn Street Corridor Study

Roundabout Feasibility — Parkland Impacts

.48 acres

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Mount Auburn Street Corridor Study

Roundabout Feasibility — AM Traffic Queues

To Fresh Pond To Gibson St. To Memorial Drive

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Mount Auburn Street Corridor Study

Roundabout Feasibility — PM Traffic Queues

To past Larchwood Dr. To Soldiers Field and N. Harvard St.

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Mount Auburn Street Corridor Study

Roundabout Feasibility — La Rotonda, Lacarno, Switzerland

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Mount Auburn Street Corridor Study

Roundabout Feasibility — La Rotonda, Lacarno, Switzerland

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Mount Auburn Street Corridor Study

Roundabout Feasibility — La Rotonda, Lacarno, Switzerland

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Mount Auburn Street Corridor Study

Roundabout Feasibility — La Rotonda Size Comparison

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Mount Auburn Street Corridor Study

Roundabout Feasibility – Key Takeaways

  • Rotary vs. Roundabout.
  • Roundabout fails to handle existing traffic.
  • Cut-through traffic would increase significantly on all possible

local streets.

  • Significantly alters historic parkway, park land, or other property.
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Mount Auburn Street Corridor Study

  • Mt. Auburn Underpass Feasibility
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Mount Auburn Street Corridor Study

Underpass Feasibility — Regional Speeds

MIT Speed Study 2001

50th – 85th percentile speeds

Fresh Pond Pkwy.

36-40 mph

Soldiers Field Rd.

50-56 mph

Soldiers Field Rd.

42-49 mph

Greenough Blvd.

45-50 mph

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Mount Auburn Street Corridor Study

Underpass Feasibility — Soldiers Field Rd. under Western Ave.

  • Eastbound 34,699 ADT
  • Westbound 34,555 ADT
  • 50th/85th Percentile Speed 50-56 mph
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Mount Auburn Street Corridor Study

Underpass Feasibility — Width

Total Width Required = 124 Feet

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Mount Auburn Street Corridor Study

Underpass Feasibility — Length & Width (no southbound turns)

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Mount Auburn Street Corridor Study

Underpass Feasibility – Key Takeaways

  • Would significantly widen roadway
  • Requires conversion of parkland to roadway (4f process)
  • Likely to increase speeds
  • Amplifies noise
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Mount Auburn Street Corridor Study

Fresh Pond Parkway Corridor Draft Concepts

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Mount Auburn Street Corridor Study Gerrys Landing, Memorial Dr., Eliot Bridge, and Greenough Blvd - 1938

Route 2 recently connected to Alewife Brook Parkway as Hwy

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Mount Auburn Street Corridor Study Gerrys Landing, Memorial Dr., Eliot Bridge, and Greenough Blvd. - 1952

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Mount Auburn Street Corridor Study Gerrys Landing, Memorial Dr., Eliot Bridge, and Greenough Blvd. - 1962

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Mount Auburn Street Corridor Study Gerrys Landing, Memorial Dr., Eliot Bridge, and Greenough Blvd. - 1969

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Mount Auburn Street Corridor Study Gerrys Landing, Memorial Dr., Eliot Bridge, and Greenough Blvd. - 2015

Blue arrows show high volume movement

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Two-T Alternative

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Mount Auburn Street Corridor Study Two-T Alternative – More than 4 acres of new accessible open space

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Mount Auburn Street Corridor Study Two-T Alternative – One Stage Crossing I

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Mount Auburn Street Corridor Study Two-T Alternative – One Stage Crossing II

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Two-T Alternative, Greenough Side – Existing

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Two-T Alternative, Greenough Side – Proposed

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Two-T Alternative, Greenough Side – New Parkland

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Gerrys Landing, Eliot Bridge, and Greenough Blvd. Key Takeaways

  • Approximately 4.5 acres of new parkland.
  • Single-stage crossings to the Charles River.
  • Low-stress bike connection from Mt. Auburn St. to Paul Dudley White

Bike Path.

  • School pick-up and drop off zone/safe parking area.
  • School U-turn included.
  • More work on BB&N pick up and drop off needed.
  • Road diet and narrowed travel lanes.
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Mount Auburn Street Corridor Study

Fresh Pond Parkway at Huron Avenue - Existing

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Fresh Pond Parkway at Huron Avenue - Proposed

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Raised vs. Stamped Intersections

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Fresh Pond Parkway at Larch Street - Existing

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Mount Auburn Street Corridor Study

Fresh Pond Parkway at Larch Street - Proposed

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Rectangular Rapid Flashing Beacon

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Fresh Pond Parkway at Brattle Street - Existing

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Mount Auburn Street Corridor Study

Fresh Pond Parkway at Brattle Street - Proposed

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Fresh Pond Parkway Draft Concept Takeaways

  • Pedestrian-centric intersections and tighter turning radii at Brattle
  • St. and at Huron Ave.
  • New crossing with Rectangular Rapid Flashing Beacon at Larch

Rd.

  • Left turns at Larch impeded.
  • Private property owners can contribute to traffic calming.
  • Edge improvements possible.
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Pedestrian Context with Fence

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Mount Auburn Street Corridor Study

Pedestrian Context without Fence

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Motor Vehicle Context with Fence

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Traffic Calming – Street Trees

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Traffic Calming – Street Tree Opportunities

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Traffic Calming – Planting Strips

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Traffic Calming – Adding Pedestrian Context

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Plaza Design Charrette

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Break Out Groups: Design Charrette

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Break Out Groups: Design Charrette

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Break Out Groups: Design Charrette

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Mount Auburn Street Corridor Study

Break Out Groups: Design Charrette

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Break Out Groups: Design Charrette

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Mount Auburn Street Corridor Study

Break Out Groups: Design Charrette

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Mount Auburn Street Corridor Study

Break Out Groups: Design Charrette

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Break Out Groups: Design Charrette

  • Possible Goals:

– Gateway to Strawberry Hill Neighborhood – Social Activity – Bring more customers to local businesses – Create a new open space

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Mount Auburn Street Corridor Study

Next Steps

  • Next Stakeholder Meeting: September 15
  • Next Public Meeting – early November

– Discussion of proposed long and short term improvements

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For More Information:

  • Project Website: www.mass.gov/dcr/mt-auburn-corridor-study
  • If you have comments or suggestions on this project:

– Submit online at: http://www.mass.gov/eea/agencies/dcr/public-

  • utreach/submit-public-comments/

– Write: Department of Conservation and Recreation, Office of Public Outreach, 251 Causeway Street, Suite 600, Boston, MA 02114 – Deadline (pertaining to this meeting): Thursday, 9/1/16

  • Note: Public comments submitted to DCR may be posted on the DCR

website in their entirety.

  • If you have questions, please email:

MaryCatherine.McLean@massmail.state.ma.us