Beauregard Rezoning Advisory Group October 24, 2012 @ 7 PM Buddie - - PDF document

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Beauregard Rezoning Advisory Group October 24, 2012 @ 7 PM Buddie - - PDF document

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Beauregard Rezoning Advisory Group October 24, 2012 @ 7 PM Buddie Ford Nature Center 5750 Sanger Avenue, Alexandria Agenda I . Approval of October 1 2 0 1 2 Meeting Sum m ary I I . Discussion of Sem inary / Beauregard Alternatives

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Beauregard Rezoning Advisory Group

October 24, 2012 @ 7 PM Buddie Ford Nature Center 5750 Sanger Avenue, Alexandria

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Agenda

I . Approval of October 1 2 0 1 2 Meeting Sum m ary I I . Discussion of Sem inary / Beauregard Alternatives Report I I I . Public Com m ent I V. Rezoning Application Subm ission( s) V. Recom m endations Matrix VI . Next Steps

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

  • Review technical analysis
  • Provide recommendations and

comments (to be included with DSUP application staff reports)

Role of the Beauregard Rezoning Advisory Group

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

  • No Build
  • Parallel Road
  • Traffic Circle
  • Grade Separation Options
  • Ellipse

Alternatives Analyzed

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

  • VDOT
  • City of Alexandria
  • RK&K
  • AECOM
  • STV
  • Wells and Associates

Technical Review s

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

No Build

  • Maintains

existing triple WB left turns

  • Adds VDOT

Short / Mid term projects

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

No Build I m pacts

  • Pros:
  • Cost effective
  • Minimal Utility / ROW Impacts
  • At-grade construction
  • Maintains access to roads/ driveways
  • Compatible with proposed BRT

Operations

  • Cons:
  • Future W B queues on Sem inary

im pact I -3 9 5 ( AM peak)

  • Not pedestrian friendly
  • Weaving issues on WB Seminary
  • Doesn’t adequately address future

growth

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

No Build - I m pacts

Wide Pedestrian Crossing Weave Issues WB Queues impact I-395

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Parallel Road

  • Maintains existing triple WB left turns and

VDOT improvements

  • Builds parallel road from Seminary to

Beauregard Town Center

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Parallel Road I m pacts

  • Pros:
  • Diverts traffic demand along Beauregard

and provides additional capacity

  • Improved weaving compared to No Build
  • At-grade construction
  • Maintains access to roads/ driveways
  • Compatible with proposed BRT

Operations

  • Cons:
  • Requires acquisition of 1 2 to 1 7

tow nhom es

  • Places more traffic on residential streets
  • Increased noise through residential areas
  • Significant ROW Cost
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Parallel Road I m pacts

New Parallel Road

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Traffic Circle

  • Traditional 4-legged Traffic Circle
  • Signals at each approach
  • All movements require use of circle
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Traffic Circle I m pacts

  • Pros:
  • At-grade construction
  • Opportunity for gateway feature / Green

space

  • Improved weaving condition compared to

No Build

  • Maintains access to roads/ driveways
  • Compatible with proposed BRT

Operations

  • Cons:
  • Significant queues / delays to

intersections and I -3 9 5

  • Doesn’t adequately address future

growth

  • Moderate ROW impacts
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Traffic Circle I m pacts

WB Queues impact I-395 Delays at Traffic Circle Approaches

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Grade Separation Option 1

  • Flyover configuration with compressed

diamond interchange

  • Beauregard over Seminary
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Grade Separation Option 1 I m pacts

  • Pros:
  • Minimizes delay for through traffic on

Beauregard Street

  • Gateway Opportunity
  • Pedestrian improvements at grade
  • Compatible with proposed BRT Operations
  • Cons:
  • Significant w eave/ m erge issues on W B

Sem inary, and increased accident potential

  • High Cost ( $ 4 1 .9 m ) , and Maintenance
  • Possible high delays for turning vehicles at and

pedestrians (at ramps)

  • Significant ROW impacts to Southern Towers

parking

  • Steep grades for overpass
  • Utility Impacts due to bridge / retaining walls
  • Extensive signal timing coordination
  • Not compatible with character of planned

development

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Grade Separation Option 1 I m pacts

Weave Issues Steep Grade Ramp Constraints ROW / Parking Impacts

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Grade Separation Option 2

  • Flyover configuration with compressed

diamond interchange

  • Seminary over Beauregard
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Grade Separation Option 2 I m pacts

  • Pros:
  • Minimizes delay for through traffic on Seminary

Road

  • Gateway Opportunity
  • Pedestrian improvements at grade
  • Compatible with proposed BRT Operations
  • Cons:
  • Significant w eave/ m erge issues on EB and

W B Sem inary, and increased accident potential

  • High Cost ( $ 4 2 .3 m ) , and Maintenance
  • Possible high delays for turning vehicles at and

pedestrians (at ramps)

  • Significant ROW impacts to Southern Towers

parking

  • Steep grades for overpass
  • Utility Impacts due to bridge / retaining walls
  • Extensive signal timing coordination
  • Not compatible with character of planned

development

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Grade Separation Option 2 I m pacts

Weave Issues Weave Issues Steep Grade ROW / Parking Impacts

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Ellipse

  • Modified Roundabout (Maintains thru traffic
  • n Seminary)
  • Eliminates left turns to Beauregard
  • Adds storage capacity
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Ellipse I m pacts

  • Pros:
  • At-grade construction
  • Gateway Opportunity
  • More storage for WB left turns
  • Better intersection operation
  • Reduced weaving issues
  • Accommodates future planned growth
  • Maintains access to roads / driveways
  • Compatible with proposed BRT operations
  • Environmental impacts / noise similar to existing

conditions

  • Maintains at-grade pedestrian / bicycle

circulation

  • Compatible with SAP recommendations
  • Cons:
  • Unconventional compared to a standard

intersection and requires special design

  • Moderate ROW impacts
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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Ellipse I m pacts

Right – in/Right-out; Potential signal to protect buses entering and exiting Southern Towers

Vehicular storage Pedestrian movements Crosswalk

Hilton Hotel Southern Towers Development Hekemian Development

Signal Landscaped Barrier

Tighten corner to slow vehicles and improve pedestrian visibility Tighten corner to slow vehicles and improve pedestrian visibility

Wayfinding signage

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report

Com parison of Alternatives

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Beauregard / Seminary Alternatives Report The Alternatives Report confirms that the Ellipse is the only alternative that accommodates the trips associated with development in the small area plan without a fatal flaw.

Sum m ary

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

CDD Applications SAP Implementation

Governing Docum ents: Am ount of Detail

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

CDD Applications SAP Implementation

MATRI X

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

CDD Applications SAP Implementation

APPLI CATI ON SHEET

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

CDD Applications SAP Implementation

APPLI CATI ON SHEET

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Beauregard Rezoning Advisory Group Meeting #4 Wednesday, October 24, 2012

Meeting Date Discussion

  • Wednesday, November 14th
  • Saturday, December 1st

(Design Guideline Charrette)

  • Wednesday, December 12th

Possible dates: